CVE-2026-80654

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80654", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.780Z", "datePublished": "2026-08-28T06:49:01.311Z", "dateUpdated": "2026-10-30T12:30:54.256Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:30:54.256Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: xilinx: Shutdown and free rx mailbox channel\n\nA mbox rx channel is requested using mbox_request_channel_byname() in\nprobe. In remove callback, the rx mailbox channel is cleaned up when the\nrx_chan is NULL due to incorrect condition check. The mailbox channel is\nnot shutdown and it can receive messages even after the device removal.\nThis leads to use after free. Also the channel resources are not freed.\nFix this by checking the rx_chan correctly."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/soc/xilinx/zynqmp_power.c"], "versions": [{"version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "lessThan": "059522f4df86198f0df10dbc53d7ac04cf36a0b8", "status": "affected", "versionType": "git"}, {"version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "lessThan": "75ed49f973d790ca3111fcabd516c0b5fd0170b4", "status": "affected", "versionType": "git"}, {"version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "lessThan": "b0f748c563921a7918c78e6a599cefd54de7d688", "status": "affected", "versionType": "git"}, {"version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "lessThan": "a83e77d1e52c01c50096e6e97c57d34e0590d628", "status": "affected", "versionType": "git"}, {"version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "lessThan": "b5d2240c2c7bc8370e7ba54a2e1fe3919f55aee5", "status": "affected", "versionType": "git"}, {"version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "lessThan": "fdee7c66c0d7b6869c36b9f9a915abf29ab5b550", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/soc/xilinx/zynqmp_power.c"], "versions": [{"version": "5.6", "status": "affected"}, {"version": "0", "lessThan": "5.6", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.6", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.6", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/059522f4df86198f0df10dbc53d7ac04cf36a0b8"}, {"url": "https://git.kernel.org/stable/c/75ed49f973d790ca3111fcabd516c0b5fd0170b4"}, {"url": "https://git.kernel.org/stable/c/b0f748c563921a7918c78e6a599cefd54de7d688"}, {"url": "https://git.kernel.org/stable/c/a83e77d1e52c01c50096e6e97c57d34e0590d628"}, {"url": "https://git.kernel.org/stable/c/b5d2240c2c7bc8370e7ba54a2e1fe3919f55aee5"}, {"url": "https://git.kernel.org/stable/c/fdee7c66c0d7b6869c36b9f9a915abf29ab5b550"}], "title": "soc: xilinx: Shutdown and free rx mailbox channel", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/soc/xilinx/zynqmp_power.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "059522f4df86198f0df10dbc53d7ac04cf36a0b8", "status": "affected", "version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "versionType": "git"}, {"lessThan": "75ed49f973d790ca3111fcabd516c0b5fd0170b4", "status": "affected", "version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "versionType": "git"}, {"lessThan": "b0f748c563921a7918c78e6a599cefd54de7d688", "status": "affected", "version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "versionType": "git"}, {"lessThan": "a83e77d1e52c01c50096e6e97c57d34e0590d628", "status": "affected", "version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "versionType": "git"}, {"lessThan": "b5d2240c2c7bc8370e7ba54a2e1fe3919f55aee5", "status": "affected", "version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "versionType": "git"}, {"lessThan": "fdee7c66c0d7b6869c36b9f9a915abf29ab5b550", "status": "affected", "version": "ffdbae28d9d1af70b7d63ffd7827e9795cd8d0df", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/soc/xilinx/zynqmp_power.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.6"}, {"lessThan": "5.6", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsoc: xilinx: Shutdown and free rx mailbox channel\n\nA mbox rx channel is requested using mbox_request_channel_byname() in\nprobe. In remove callback, the rx mailbox channel is cleaned up when the\nrx_chan is NULL due to incorrect condition check. The mailbox channel is\nnot shutdown and it can receive messages even after the device removal.\nThis leads to use after free. Also the channel resources are not freed.\nFix this by checking the rx_chan correctly."}], "id": "CVE-2026-80654", "lastModified": "2026-10-30T13:20:09.860", "metrics": {}, "published": "2026-08-28T08:16:50.467", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/059522f4df86198f0df10dbc53d7ac04cf36a0b8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/75ed49f973d790ca3111fcabd516c0b5fd0170b4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a83e77d1e52c01c50096e6e97c57d34e0590d628"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b0f748c563921a7918c78e6a599cefd54de7d688"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b5d2240c2c7bc8370e7ba54a2e1fe3919f55aee5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fdee7c66c0d7b6869c36b9f9a915abf29ab5b550"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: soc: xilinx: Shutdown and free rx mailbox channel", "id": "2525390", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525390"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nsoc: xilinx: Shutdown and free rx mailbox channel\nA mbox rx channel is requested using mbox_request_channel_byname() in\nprobe. In remove callback, the rx mailbox channel is cleaned up when the\nrx_chan is NULL due to incorrect condition check. The mailbox channel is\nnot shutdown and it can receive messages even after the device removal.\nThis leads to use after free. Also the channel resources are not freed.\nFix this by checking the rx_chan correctly.", "A flaw was found in the Linux kernel. An incorrect condition check during the cleanup of a mailbox receive channel in the soc: xilinx component allows the channel to remain active and receive messages even after the device has been removed. This oversight leads to a use-after-free vulnerability, where memory is accessed after it has been deallocated. Such a flaw can potentially lead to system instability, denial of service, or privilege escalation."], "name": "CVE-2026-80654", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80654\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80654\nhttps://lore.kernel.org/linux-cve-announce/2026082844-CVE-2026-80654-6c44@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ffdbae28d1af70b7d63ffd7827e9795cd8d0df,b0f748c563921a7918c78e6a599cefd54de7d688)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ffdbae28d1af70b7d63ffd7827e9795cd8d0df,a83e77d1e52c01c50096e6e97c57d34e0590d628)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ffdbae28d1af70b7d63ffd7827e9795cd8d0df,b5d2240c2c7bc8370e7ba54a2e1fe3919f55aee5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[ffdbae28d1af70b7d63ffd7827e9795cd8d0df,fdee7c66c0d7b6869c36b9f9a915abf29ab5b550)"}}], "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": "5.6"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,5.6)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.5,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2,*]"}}], "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": "2026-08-28T11:30:06.677254+00:00", "updated": "2026-08-31T13:45:04.187858+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-416", "CWE-825"]}