CVE-2026-43469

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43469", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:56.011Z", "datePublished": "2026-05-08T14:22:29.550Z", "dateUpdated": "2026-10-19T19:26:37.543Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:28:10.739Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: Decrement re_receiving on the early exit paths\n\nIn the event that rpcrdma_post_recvs() fails to create a work request\n(due to memory allocation failure, say) or otherwise exits early, we\nshould decrement ep->re_receiving before returning. Otherwise we will\nhang in rpcrdma_xprt_drain() as re_receiving will never reach zero and\nthe completion will never be triggered.\n\nOn a system with high memory pressure, this can appear as the following\nhung task:\n\n INFO: task kworker/u385:17:8393 blocked for more than 122 seconds.\n Tainted: G S E 6.19.0 #3\n \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n task:kworker/u385:17 state:D stack:0 pid:8393 tgid:8393 ppid:2 task_flags:0x4248060 flags:0x00080000\n Workqueue: xprtiod xprt_autoclose [sunrpc]\n Call Trace:\n <TASK>\n __schedule+0x48b/0x18b0\n ? ib_post_send_mad+0x247/0xae0 [ib_core]\n schedule+0x27/0xf0\n schedule_timeout+0x104/0x110\n __wait_for_common+0x98/0x180\n ? __pfx_schedule_timeout+0x10/0x10\n wait_for_completion+0x24/0x40\n rpcrdma_xprt_disconnect+0x444/0x460 [rpcrdma]\n xprt_rdma_close+0x12/0x40 [rpcrdma]\n xprt_autoclose+0x5f/0x120 [sunrpc]\n process_one_work+0x191/0x3e0\n worker_thread+0x2e3/0x420\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x10d/0x230\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x273/0x2b0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:N - The vulnerable function is reached from the RPC-over-RDMA client receive completion path while processing network-delivered RDMA replies from an NFS/RDMA peer. A malicious or compromised remote NFS/RDMA server can influence the receive repost path via reply traffic and credit grants.\nAC:L - The trigger is a deterministic accounting bug on early exits from receive reposting, and a peer can drive reply bursts, high credit grants, and disconnect/reconnect behavior to reach the path. Although memory pressure can help expose one early exit, the rule requires choosing the higher severity option when uncertain.\nPR:N - The remote peer sending RDMA replies does not need privileges on the affected client. The client must already be using an NFS/RDMA transport, but the attacker-side protocol traffic itself is not gated by local kernel privileges.\nUI:N - In a reasonable deployed scenario, the client already has an active NFS/RDMA mount and normal RPC traffic reaches the vulnerable receive path without a further victim action. Exploitation can be driven by the remote peer during ordinary mounted filesystem operation.\nS:U - The effect is confined to the Linux kernel/RPC transport on the same host. It does not cross a separate security authority such as a VM, IOMMU, or sandbox boundary.\nC:N - The bug is a leaked receive-drain accounting reference, not memory corruption or an information disclosure primitive. The investigated paths indicate a hang in disconnect/drain handling rather than exposure of kernel memory.\nI:N - The issue does not provide data modification, arbitrary write, or control-flow manipulation. It only prevents receive-drain completion after the counter is left elevated.\nA:H - The leaked re_receiving count can make rpcrdma_xprt_drain wait forever, producing stuck xprtiod/autoclose work and hung kernel tasks. This is a kernel-level availability failure for the affected NFS/RDMA transport and can persist until recovery or reboot."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "versions": [{"version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "7ea69259a60a364f56cf4aa9e2eafb588d1c762b", "status": "affected", "versionType": "git"}, {"version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "8cb6b5d8296b1f99a8d36849901ebabfe3f749db", "status": "affected", "versionType": "git"}, {"version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "74c39a47856bddcde7874f2196a00143b5cd0af9", "status": "affected", "versionType": "git"}, {"version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "49f53ee4e25297d886f14e31f355ad1c2735ddfb", "status": "affected", "versionType": "git"}, {"version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "8127b5fec04757c2a41ed65bca0b3266968efd3b", "status": "affected", "versionType": "git"}, {"version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf", "status": "affected", "versionType": "git"}, {"version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "7b6275c80a0c81c5f8943272292dfe67730ce849", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "versions": [{"version": "5.13", "status": "affected"}, {"version": "0", "lessThan": "5.13", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.203", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.167", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.130", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.78", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.19", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.9", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "5.15.203"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.1.167"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.6.130"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.12.78"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.18.19"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "6.19.9"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.13", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7ea69259a60a364f56cf4aa9e2eafb588d1c762b"}, {"url": "https://git.kernel.org/stable/c/8cb6b5d8296b1f99a8d36849901ebabfe3f749db"}, {"url": "https://git.kernel.org/stable/c/74c39a47856bddcde7874f2196a00143b5cd0af9"}, {"url": "https://git.kernel.org/stable/c/49f53ee4e25297d886f14e31f355ad1c2735ddfb"}, {"url": "https://git.kernel.org/stable/c/8127b5fec04757c2a41ed65bca0b3266968efd3b"}, {"url": "https://git.kernel.org/stable/c/dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf"}, {"url": "https://git.kernel.org/stable/c/7b6275c80a0c81c5f8943272292dfe67730ce849"}], "title": "xprtrdma: Decrement re_receiving on the early exit paths", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-43469", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T15:17:41.397506Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-667", "description": "CWE-667 Improper Locking"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-19T19:26:37.543Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-43469", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-16T15:17:41.397506Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-667", "description": "CWE-667 Improper Locking"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-16T15:17:42.242Z"}}], "cna": {"title": "xprtrdma: Decrement re_receiving on the early exit paths", "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}, "scenarios": [{"lang": "en", "value": "AV:N - The vulnerable function is reached from the RPC-over-RDMA client receive completion path while processing network-delivered RDMA replies from an NFS/RDMA peer. A malicious or compromised remote NFS/RDMA server can influence the receive repost path via reply traffic and credit grants.\nAC:L - The trigger is a deterministic accounting bug on early exits from receive reposting, and a peer can drive reply bursts, high credit grants, and disconnect/reconnect behavior to reach the path. Although memory pressure can help expose one early exit, the rule requires choosing the higher severity option when uncertain.\nPR:N - The remote peer sending RDMA replies does not need privileges on the affected client. The client must already be using an NFS/RDMA transport, but the attacker-side protocol traffic itself is not gated by local kernel privileges.\nUI:N - In a reasonable deployed scenario, the client already has an active NFS/RDMA mount and normal RPC traffic reaches the vulnerable receive path without a further victim action. Exploitation can be driven by the remote peer during ordinary mounted filesystem operation.\nS:U - The effect is confined to the Linux kernel/RPC transport on the same host. It does not cross a separate security authority such as a VM, IOMMU, or sandbox boundary.\nC:N - The bug is a leaked receive-drain accounting reference, not memory corruption or an information disclosure primitive. The investigated paths indicate a hang in disconnect/drain handling rather than exposure of kernel memory.\nI:N - The issue does not provide data modification, arbitrary write, or control-flow manipulation. It only prevents receive-drain completion after the counter is left elevated.\nA:H - The leaked re_receiving count can make rpcrdma_xprt_drain wait forever, producing stuck xprtiod/autoclose work and hung kernel tasks. This is a kernel-level availability failure for the affected NFS/RDMA transport and can persist until recovery or reboot."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "7ea69259a60a364f56cf4aa9e2eafb588d1c762b", "versionType": "git"}, {"status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "8cb6b5d8296b1f99a8d36849901ebabfe3f749db", "versionType": "git"}, {"status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "74c39a47856bddcde7874f2196a00143b5cd0af9", "versionType": "git"}, {"status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "49f53ee4e25297d886f14e31f355ad1c2735ddfb", "versionType": "git"}, {"status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "8127b5fec04757c2a41ed65bca0b3266968efd3b", "versionType": "git"}, {"status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf", "versionType": "git"}, {"status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "lessThan": "7b6275c80a0c81c5f8943272292dfe67730ce849", "versionType": "git"}], "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"status": "unaffected", "version": "0", "lessThan": "5.13", "versionType": "semver"}, {"status": "unaffected", "version": "5.15.203", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.167", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.130", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.78", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.19", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.9", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/7ea69259a60a364f56cf4aa9e2eafb588d1c762b"}, {"url": "https://git.kernel.org/stable/c/8cb6b5d8296b1f99a8d36849901ebabfe3f749db"}, {"url": "https://git.kernel.org/stable/c/74c39a47856bddcde7874f2196a00143b5cd0af9"}, {"url": "https://git.kernel.org/stable/c/49f53ee4e25297d886f14e31f355ad1c2735ddfb"}, {"url": "https://git.kernel.org/stable/c/8127b5fec04757c2a41ed65bca0b3266968efd3b"}, {"url": "https://git.kernel.org/stable/c/dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf"}, {"url": "https://git.kernel.org/stable/c/7b6275c80a0c81c5f8943272292dfe67730ce849"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: Decrement re_receiving on the early exit paths\n\nIn the event that rpcrdma_post_recvs() fails to create a work request\n(due to memory allocation failure, say) or otherwise exits early, we\nshould decrement ep->re_receiving before returning. Otherwise we will\nhang in rpcrdma_xprt_drain() as re_receiving will never reach zero and\nthe completion will never be triggered.\n\nOn a system with high memory pressure, this can appear as the following\nhung task:\n\n INFO: task kworker/u385:17:8393 blocked for more than 122 seconds.\n Tainted: G S E 6.19.0 #3\n \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n task:kworker/u385:17 state:D stack:0 pid:8393 tgid:8393 ppid:2 task_flags:0x4248060 flags:0x00080000\n Workqueue: xprtiod xprt_autoclose [sunrpc]\n Call Trace:\n <TASK>\n __schedule+0x48b/0x18b0\n ? ib_post_send_mad+0x247/0xae0 [ib_core]\n schedule+0x27/0xf0\n schedule_timeout+0x104/0x110\n __wait_for_common+0x98/0x180\n ? __pfx_schedule_timeout+0x10/0x10\n wait_for_completion+0x24/0x40\n rpcrdma_xprt_disconnect+0x444/0x460 [rpcrdma]\n xprt_rdma_close+0x12/0x40 [rpcrdma]\n xprt_autoclose+0x5f/0x120 [sunrpc]\n process_one_work+0x191/0x3e0\n worker_thread+0x2e3/0x420\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x10d/0x230\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x273/0x2b0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.203", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.167", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.130", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.78", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.19", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.19.9", "versionStartIncluding": "5.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0", "versionStartIncluding": "5.13"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:28:10.739Z"}}}, "cveMetadata": {"cveId": "CVE-2026-43469", "state": "PUBLISHED", "dateUpdated": "2026-10-19T19:26:37.543Z", "dateReserved": "2026-05-01T14:12:56.011Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-05-08T14:22:29.550Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7ea69259a60a364f56cf4aa9e2eafb588d1c762b", "status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "versionType": "git"}, {"lessThan": "8cb6b5d8296b1f99a8d36849901ebabfe3f749db", "status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "versionType": "git"}, {"lessThan": "74c39a47856bddcde7874f2196a00143b5cd0af9", "status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "versionType": "git"}, {"lessThan": "49f53ee4e25297d886f14e31f355ad1c2735ddfb", "status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "versionType": "git"}, {"lessThan": "8127b5fec04757c2a41ed65bca0b3266968efd3b", "status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "versionType": "git"}, {"lessThan": "dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf", "status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "versionType": "git"}, {"lessThan": "7b6275c80a0c81c5f8943272292dfe67730ce849", "status": "affected", "version": "15788d1d1077ebe029c48842c738876516d85076", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/sunrpc/xprtrdma/verbs.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.13"}, {"lessThan": "5.13", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.203", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.167", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.130", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.78", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.19", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.9", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "985804EB-66D2-4D4A-AF5D-D7A87E940EEE", "versionEndExcluding": "5.15.203", "versionStartIncluding": "5.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2EDC6BAF-B710-4E26-B6AA-D68922EE7B43", "versionEndExcluding": "6.1.167", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C57BB918-DF28-46B3-94F7-144176841267", "versionEndExcluding": "6.6.130", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "28D591F5-B196-4CC9-905C-DC80F116E7A8", "versionEndExcluding": "6.12.78", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D394AC60-6F28-435F-872A-CCDF384B8331", "versionEndExcluding": "6.18.19", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E825E7C3-FEAC-4FD3-8A81-78D7387948C9", "versionEndExcluding": "6.19.9", "versionStartIncluding": "6.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*", "matchCriteriaId": "F253B622-8837-4245-BCE5-A7BF8FC76A16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*", "matchCriteriaId": "4AE85AD8-4641-4E7C-A2F4-305E2CD9EE64", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*", "matchCriteriaId": "F666C8D8-6538-46D4-B318-87610DE64C34", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nxprtrdma: Decrement re_receiving on the early exit paths\n\nIn the event that rpcrdma_post_recvs() fails to create a work request\n(due to memory allocation failure, say) or otherwise exits early, we\nshould decrement ep->re_receiving before returning. Otherwise we will\nhang in rpcrdma_xprt_drain() as re_receiving will never reach zero and\nthe completion will never be triggered.\n\nOn a system with high memory pressure, this can appear as the following\nhung task:\n\n INFO: task kworker/u385:17:8393 blocked for more than 122 seconds.\n Tainted: G S E 6.19.0 #3\n \"echo 0 > /proc/sys/kernel/hung_task_timeout_secs\" disables this message.\n task:kworker/u385:17 state:D stack:0 pid:8393 tgid:8393 ppid:2 task_flags:0x4248060 flags:0x00080000\n Workqueue: xprtiod xprt_autoclose [sunrpc]\n Call Trace:\n <TASK>\n __schedule+0x48b/0x18b0\n ? ib_post_send_mad+0x247/0xae0 [ib_core]\n schedule+0x27/0xf0\n schedule_timeout+0x104/0x110\n __wait_for_common+0x98/0x180\n ? __pfx_schedule_timeout+0x10/0x10\n wait_for_completion+0x24/0x40\n rpcrdma_xprt_disconnect+0x444/0x460 [rpcrdma]\n xprt_rdma_close+0x12/0x40 [rpcrdma]\n xprt_autoclose+0x5f/0x120 [sunrpc]\n process_one_work+0x191/0x3e0\n worker_thread+0x2e3/0x420\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x10d/0x230\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x273/0x2b0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nxprtrdma: Decrementar re_receiving en las rutas de salida temprana\n\nEn el caso de que rpcrdma_post_recvs() falle al crear una solicitud de trabajo (debido a un fallo de asignaci\u00f3n de memoria, por ejemplo) o salga temprano de otra manera, deber\u00edamos decrementar ep -> re_receiving antes de regresar. De lo contrario, nos quedaremos colgados en rpcrdma_xprt_drain() ya que re_receiving nunca llegar\u00e1 a cero y la finalizaci\u00f3n nunca se activar\u00e1.\n\nEn un sistema con alta presi\u00f3n de memoria, esto puede aparecer como la siguiente tarea colgada:\n\n INFO: tarea kworker/u385:17:8393 bloqueada durante m\u00e1s de 122 segundos.\n Contaminado: G S E 6.19.0 #3\n \u2019echo 0 > /proc/sys/kernel/hung_task_timeout_secs\u2019 deshabilita este mensaje.\n tarea:kworker/u385:17 estado:D pila:0 pid:8393 tgid:8393 ppid:2 task_flags:0x 4248060 flags:0x 00080000\n Cola de trabajo: xprtiod xprt_autoclose [sunrpc]\n Traza de Llamada:\n [TAREA]\n __schedule+0x48b/0x 18b0\n ? ib_post_send_mad+0x247/0xae0 [ib_core]\n schedule+0x27/0xf0\n schedule_timeout+0x104/0x110\n __wait_for_common+0x98/0x180\n ? __pfx_schedule_timeout+0x10/0x10\n wait_for_completion+0x24/0x40\n rpcrdma_xprt_disconnect+0x444/0x460 [rpcrdma]\n xprt_rdma_close+0x12/0x40 [rpcrdma]\n xprt_autoclose+0x5f/0x120 [sunrpc]\n process_one_work+0x191/0x3e0\n worker_thread+0x2e3/0x420\n ? __pfx_worker_thread+0x10/0x10\n kthread+0x10d/0x230\n ? __pfx_kthread+0x10/0x10\n ret_from_fork+0x273/0x2b0\n ? __pfx_kthread+0x10/0x10\n ret_from_fork_asm+0x1a/0x30"}], "id": "CVE-2026-43469", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43469", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:17:41.397506Z", "version": "2.0.3"}}]}, "published": "2026-05-08T15:16:59.957", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/49f53ee4e25297d886f14e31f355ad1c2735ddfb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/74c39a47856bddcde7874f2196a00143b5cd0af9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7b6275c80a0c81c5f8943272292dfe67730ce849"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7ea69259a60a364f56cf4aa9e2eafb588d1c762b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8127b5fec04757c2a41ed65bca0b3266968efd3b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/8cb6b5d8296b1f99a8d36849901ebabfe3f749db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-667"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: xprtrdma: Decrement re_receiving on the early exit paths", "id": "2468229", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468229"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's xprtrdma component. This vulnerability occurs when the `rpcrdma_post_recvs()` function fails to create a work request or exits prematurely, leading to the `re_receiving` counter not being decremented. This improper resource handling can cause the system to hang indefinitely, resulting in a Denial of Service (DoS) for affected systems, particularly under high memory pressure."], "name": "CVE-2026-43469", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43469\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43469\nhttps://lore.kernel.org/linux-cve-announce/2026050804-CVE-2026-43469-3846@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[15788d1d1077ebe029c48842c738876516d85076,7ea69259a60a364f56cf4aa9e2eafb588d1c762b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[15788d1d1077ebe029c48842c738876516d85076,8cb6b5d8296b1f99a8d36849901ebabfe3f749db)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[15788d1d1077ebe029c48842c738876516d85076,74c39a47856bddcde7874f2196a00143b5cd0af9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[15788d1d1077ebe029c48842c738876516d85076,49f53ee4e25297d886f14e31f355ad1c2735ddfb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[15788d1d1077ebe029c48842c738876516d85076,8127b5fec04757c2a41ed65bca0b3266968efd3b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[15788d1d1077ebe029c48842c738876516d85076,dc3ebd7e2d73dbd4d317785735ffa6c4a6384ddf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[15788d1d1077ebe029c48842c738876516d85076,7b6275c80a0c81c5f8943272292dfe67730ce849)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "5.13"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.13)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.203,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.167,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.130,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.78,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.19,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.9,6.19.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-08T16:45:13.005480+00:00", "updated": "2026-10-23T02:15:14.693784+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}