CVE-2026-53223

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-53223", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-06-09T07:44:35.392Z", "datePublished": "2026-06-25T08:39:24.588Z", "dateUpdated": "2026-11-10T12:48:15.614Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:34:15.752Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: guard timestamp cmsgs to real error queue skbs\n\nskb_is_err_queue() treats PACKET_OUTGOING as the sole marker for an skb\nfrom sk_error_queue. That assumption is not true for AF_PACKET sockets:\noutgoing packet taps are also delivered to packet sockets with\nskb->pkt_type == PACKET_OUTGOING, but their skb->cb is owned by AF_PACKET\ninstead of struct sock_exterr_skb.\n\nIf such an skb is received with timestamping enabled, the generic\ntimestamp cmsg path can read AF_PACKET control-buffer state as\nsock_exterr_skb::opt_stats. With SO_RXQ_OVFL enabled, the packet drop\ncounter overlaps opt_stats. An odd drop count makes the path emit\nSCM_TIMESTAMPING_OPT_STATS with skb->len and skb->data. For non-linear\nskbs this copies past the linear head and can trigger hardened usercopy or\ndisclose adjacent heap contents.\n\nKeep skb_is_err_queue() local to net/socket.c, but make it verify that\nthe PACKET_OUTGOING marker is paired with the sock_rmem_free destructor\ninstalled by sock_queue_err_skb(). AF_PACKET receive skbs use normal\nreceive ownership and no longer pass as error-queue skbs, while legitimate\nsk_error_queue entries keep the PACKET_OUTGOING marker and sock_rmem_free\nownership."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "baseScore": 7.1, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The vulnerable path is reached through local socket syscalls on an AF_PACKET socket, including setsockopt(), sending traffic that is tapped as PACKET_OUTGOING, and recvmsg(). Remote packets alone do not reach the bug without a local attacker-controlled packet socket.\nAC:L - The attacker controls the socket options, packet-socket receive queue pressure/drop count, and outgoing traffic needed to make the timestamp cmsg path run. No uncontrollable race or rare environmental condition is required for the highest-impact disclosure/crash scenario.\nPR:L - Creating AF_PACKET sockets requires CAP_NET_RAW in the governing user namespace. Because this capability can be obtained by an unprivileged local user in user/network namespaces on common deployments, this is Low rather than High.\nUI:N - No victim action is required after the attacker has local execution; the attacker can configure the socket and trigger recvmsg() themselves. The bug is not dependent on opening a file, mounting media, or other user-assisted behavior.\nS:U - The impact remains within the kernel and the local host security authority. It does not cross a hypervisor, VM, IOMMU, or other separate security scope boundary.\nC:H - The bogus SCM_TIMESTAMPING_OPT_STATS cmsg can copy skb->len bytes from skb->data even when the skb is non-linear, reading past the linear head. That can disclose adjacent kernel heap contents to userspace, which is a high confidentiality impact.\nI:N - The investigated bug is an out-of-bounds read/copy-to-user and misclassification of skb metadata, not a kernel write primitive. I found no direct modification of kernel memory or protected data.\nA:H - The same invalid copy can trigger hardened usercopy failures or kernel oops/panic on hardened deployments. The local attacker can repeat the trigger, so availability impact is High."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/sock.h", "net/core/skbuff.c", "net/socket.c"], "versions": [{"version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "24a0d548d3a765cd4558224e4f8e06e14cba26e3", "status": "affected", "versionType": "git"}, {"version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "71ff5cdd5da61d0438e902aa0fd68c28bc901abe", "status": "affected", "versionType": "git"}, {"version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "ad9a0374ee6d11048e1f74cd5180bad58b9848b4", "status": "affected", "versionType": "git"}, {"version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "b903e9b5629ec8dd6db92174070045bf81ad7060", "status": "affected", "versionType": "git"}, {"version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "e0665b2a8e90bb08bd205062c75662b502d31797", "status": "affected", "versionType": "git"}, {"version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "3dde4fb941fa5649ab809f6cd3e20e0c424a4e31", "status": "affected", "versionType": "git"}, {"version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "eb51a9ad3ceb01bc6c0fb608dbc856e03ee6f24a", "status": "affected", "versionType": "git"}, {"version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "1ee90b77b727df903033db873c75caac5c27ec98", "status": "affected", "versionType": "git"}, {"version": "cdaf15b43bd31003220cb080bcbbd57787a2fca9", "status": "affected", "versionType": "git"}, {"version": "4.10.14", "lessThan": "4.11", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["include/net/sock.h", "net/core/skbuff.c", "net/socket.c"], "versions": [{"version": "4.11", "status": "affected"}, {"version": "0", "lessThan": "4.11", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.259", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.94", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.36", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.13", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "4.11", "versionEndExcluding": "5.10.259"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.12.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "6.18.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "7.0.13"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.11", "versionEndExcluding": "7.1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.10.14"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/24a0d548d3a765cd4558224e4f8e06e14cba26e3"}, {"url": "https://git.kernel.org/stable/c/71ff5cdd5da61d0438e902aa0fd68c28bc901abe"}, {"url": "https://git.kernel.org/stable/c/ad9a0374ee6d11048e1f74cd5180bad58b9848b4"}, {"url": "https://git.kernel.org/stable/c/b903e9b5629ec8dd6db92174070045bf81ad7060"}, {"url": "https://git.kernel.org/stable/c/e0665b2a8e90bb08bd205062c75662b502d31797"}, {"url": "https://git.kernel.org/stable/c/3dde4fb941fa5649ab809f6cd3e20e0c424a4e31"}, {"url": "https://git.kernel.org/stable/c/eb51a9ad3ceb01bc6c0fb608dbc856e03ee6f24a"}, {"url": "https://git.kernel.org/stable/c/1ee90b77b727df903033db873c75caac5c27ec98"}], "title": "net: guard timestamp cmsgs to real error queue skbs", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"x_adpType": "supplier", "providerMetadata": {"orgId": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "shortName": "siemens-SADP", "dateUpdated": "2026-11-10T12:48:15.614Z"}, "affected": [{"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)", "versions": [{"status": "affected", "version": "V3.1.6", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP (6ES7518-4AX00-1AB0)", "versions": [{"status": "affected", "version": "V3.1.7", "lessThan": "*", "versionType": "custom"}], "defaultStatus": "unknown"}, {"vendor": "Siemens", "product": "SIMATIC S7-1500 CPU 1518-4 PN/DP MFP 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Remote packets alone do not reach the bug without a local attacker-controlled packet socket.\nAC:L - The attacker controls the socket options, packet-socket receive queue pressure/drop count, and outgoing traffic needed to make the timestamp cmsg path run. No uncontrollable race or rare environmental condition is required for the highest-impact disclosure/crash scenario.\nPR:L - Creating AF_PACKET sockets requires CAP_NET_RAW in the governing user namespace. Because this capability can be obtained by an unprivileged local user in user/network namespaces on common deployments, this is Low rather than High.\nUI:N - No victim action is required after the attacker has local execution; the attacker can configure the socket and trigger recvmsg() themselves. The bug is not dependent on opening a file, mounting media, or other user-assisted behavior.\nS:U - The impact remains within the kernel and the local host security authority. It does not cross a hypervisor, VM, IOMMU, or other separate security scope boundary.\nC:H - The bogus SCM_TIMESTAMPING_OPT_STATS cmsg can copy skb->len bytes from skb->data even when the skb is non-linear, reading past the linear head. That can disclose adjacent kernel heap contents to userspace, which is a high confidentiality impact.\nI:N - The investigated bug is an out-of-bounds read/copy-to-user and misclassification of skb metadata, not a kernel write primitive. I found no direct modification of kernel memory or protected data.\nA:H - The same invalid copy can trigger hardened usercopy failures or kernel oops/panic on hardened deployments. The local attacker can repeat the trigger, so availability impact is High."}]}], "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "24a0d548d3a765cd4558224e4f8e06e14cba26e3", "versionType": "git"}, {"status": "affected", "version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "71ff5cdd5da61d0438e902aa0fd68c28bc901abe", "versionType": "git"}, {"status": "affected", "version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "ad9a0374ee6d11048e1f74cd5180bad58b9848b4", "versionType": "git"}, {"status": "affected", "version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "b903e9b5629ec8dd6db92174070045bf81ad7060", "versionType": "git"}, {"status": "affected", "version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "e0665b2a8e90bb08bd205062c75662b502d31797", "versionType": "git"}, {"status": "affected", "version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "3dde4fb941fa5649ab809f6cd3e20e0c424a4e31", "versionType": "git"}, {"status": "affected", "version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "eb51a9ad3ceb01bc6c0fb608dbc856e03ee6f24a", "versionType": "git"}, {"status": "affected", "version": "8605330aac5a5785630aec8f64378a54891937cc", "lessThan": "1ee90b77b727df903033db873c75caac5c27ec98", "versionType": "git"}, {"status": "affected", "version": "cdaf15b43bd31003220cb080bcbbd57787a2fca9", "versionType": "git"}, {"status": "affected", "version": "4.10.14", "lessThan": "4.11", "versionType": "semver"}], "programFiles": ["include/net/sock.h", "net/core/skbuff.c", "net/socket.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.11"}, {"status": "unaffected", "version": "0", "lessThan": "4.11", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.259", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.210", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.176", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.143", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.94", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.36", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.13", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["include/net/sock.h", "net/core/skbuff.c", "net/socket.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/24a0d548d3a765cd4558224e4f8e06e14cba26e3"}, {"url": "https://git.kernel.org/stable/c/71ff5cdd5da61d0438e902aa0fd68c28bc901abe"}, {"url": "https://git.kernel.org/stable/c/ad9a0374ee6d11048e1f74cd5180bad58b9848b4"}, {"url": "https://git.kernel.org/stable/c/b903e9b5629ec8dd6db92174070045bf81ad7060"}, {"url": "https://git.kernel.org/stable/c/e0665b2a8e90bb08bd205062c75662b502d31797"}, {"url": "https://git.kernel.org/stable/c/3dde4fb941fa5649ab809f6cd3e20e0c424a4e31"}, {"url": "https://git.kernel.org/stable/c/eb51a9ad3ceb01bc6c0fb608dbc856e03ee6f24a"}, {"url": "https://git.kernel.org/stable/c/1ee90b77b727df903033db873c75caac5c27ec98"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: guard timestamp cmsgs to real error queue skbs\n\nskb_is_err_queue() treats PACKET_OUTGOING as the sole marker for an skb\nfrom sk_error_queue. That assumption is not true for AF_PACKET sockets:\noutgoing packet taps are also delivered to packet sockets with\nskb->pkt_type == PACKET_OUTGOING, but their skb->cb is owned by AF_PACKET\ninstead of struct sock_exterr_skb.\n\nIf such an skb is received with timestamping enabled, the generic\ntimestamp cmsg path can read AF_PACKET control-buffer state as\nsock_exterr_skb::opt_stats. With SO_RXQ_OVFL enabled, the packet drop\ncounter overlaps opt_stats. An odd drop count makes the path emit\nSCM_TIMESTAMPING_OPT_STATS with skb->len and skb->data. For non-linear\nskbs this copies past the linear head and can trigger hardened usercopy or\ndisclose adjacent heap contents.\n\nKeep skb_is_err_queue() local to net/socket.c, but make it verify that\nthe PACKET_OUTGOING marker is paired with the sock_rmem_free destructor\ninstalled by sock_queue_err_skb(). AF_PACKET receive skbs use normal\nreceive ownership and no longer pass as error-queue skbs, while legitimate\nsk_error_queue entries keep the PACKET_OUTGOING marker and sock_rmem_free\nownership."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.259", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.210", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.176", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.143", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12.94", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.18.36", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0.13", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.1", "versionStartIncluding": "4.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "4.10.14"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:34:15.752Z"}}}, "cveMetadata": {"cveId": "CVE-2026-53223", "state": "PUBLISHED", "dateUpdated": "2026-11-10T12:48:15.614Z", "dateReserved": "2026-06-09T07:44:35.392Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2026-06-25T08:39:24.588Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: guard timestamp cmsgs to real error queue skbs\n\nskb_is_err_queue() treats PACKET_OUTGOING as the sole marker for an skb\nfrom sk_error_queue. That assumption is not true for AF_PACKET sockets:\noutgoing packet taps are also delivered to packet sockets with\nskb->pkt_type == PACKET_OUTGOING, but their skb->cb is owned by AF_PACKET\ninstead of struct sock_exterr_skb.\n\nIf such an skb is received with timestamping enabled, the generic\ntimestamp cmsg path can read AF_PACKET control-buffer state as\nsock_exterr_skb::opt_stats. With SO_RXQ_OVFL enabled, the packet drop\ncounter overlaps opt_stats. An odd drop count makes the path emit\nSCM_TIMESTAMPING_OPT_STATS with skb->len and skb->data. For non-linear\nskbs this copies past the linear head and can trigger hardened usercopy or\ndisclose adjacent heap contents.\n\nKeep skb_is_err_queue() local to net/socket.c, but make it verify that\nthe PACKET_OUTGOING marker is paired with the sock_rmem_free destructor\ninstalled by sock_queue_err_skb(). AF_PACKET receive skbs use normal\nreceive ownership and no longer pass as error-queue skbs, while legitimate\nsk_error_queue entries keep the PACKET_OUTGOING marker and sock_rmem_free\nownership."}], "id": "CVE-2026-53223", "lastModified": "2026-11-10T13:19:24.120", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53223", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-16T15:27:08.585638Z", "version": "2.0.3"}}]}, "published": "2026-06-25T09:16:40.073", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1ee90b77b727df903033db873c75caac5c27ec98"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24a0d548d3a765cd4558224e4f8e06e14cba26e3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3dde4fb941fa5649ab809f6cd3e20e0c424a4e31"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/71ff5cdd5da61d0438e902aa0fd68c28bc901abe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ad9a0374ee6d11048e1f74cd5180bad58b9848b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b903e9b5629ec8dd6db92174070045bf81ad7060"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e0665b2a8e90bb08bd205062c75662b502d31797"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/eb51a9ad3ceb01bc6c0fb608dbc856e03ee6f24a"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}, {"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e", "url": "https://cert-portal.siemens.com/productcert/html/ssa-457936.html"}], "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-125"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: net: guard timestamp cmsgs to real error queue skbs", "id": "2492811", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492811"}, "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-125", "details": ["A flaw was found in the Linux kernel's networking component. This vulnerability allows a remote attacker to potentially access sensitive information or cause system instability. By sending specially crafted network packets, an attacker can exploit an issue in how the kernel handles timestamping for certain network traffic. This can lead to the disclosure of memory contents or trigger memory corruption."], "name": "CVE-2026-53223", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "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": "2026-06-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-53223\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-53223\nhttps://lore.kernel.org/linux-cve-announce/2026062506-CVE-2026-53223-1c2e@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8605330aac5a5785630aec8f64378a54891937cc,24a0d548d3a765cd4558224e4f8e06e14cba26e3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8605330aac5a5785630aec8f64378a54891937cc,71ff5cdd5da61d0438e902aa0fd68c28bc901abe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8605330aac5a5785630aec8f64378a54891937cc,ad9a0374ee6d11048e1f74cd5180bad58b9848b4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8605330aac5a5785630aec8f64378a54891937cc,b903e9b5629ec8dd6db92174070045bf81ad7060)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8605330aac5a5785630aec8f64378a54891937cc,e0665b2a8e90bb08bd205062c75662b502d31797)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8605330aac5a5785630aec8f64378a54891937cc,3dde4fb941fa5649ab809f6cd3e20e0c424a4e31)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8605330aac5a5785630aec8f64378a54891937cc,eb51a9ad3ceb01bc6c0fb608dbc856e03ee6f24a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8605330aac5a5785630aec8f64378a54891937cc,1ee90b77b727df903033db873c75caac5c27ec98)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "cdaf15b43bd31003220cb080bcbbd57787a2fca9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.10.14,4.11)"}}], "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": "4.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.259,5.11.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.210,5.16.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.176,6.2.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.143,6.7.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.94,6.13.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.36,6.19.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.13,7.1.0.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-06-25T12:30:06.245645+00:00", "updated": "2026-08-12T08:15:04.579347+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}