CVE-2026-97901

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97901", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-25T10:18:58.200Z", "datePublished": "2026-09-25T10:22:28.655Z", "dateUpdated": "2026-10-30T12:37:41.407Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:37:41.407Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngenetlink: pin family module during policy dump\n\nThe generic netlink controller's policy dump keeps pointers to the target\nfamily's operation and policy tables in its callback state. A dump may be\nsplit across multiple skbs and remain pending after the initial request.\n\nNetlink pins the module which owns the dump callback, but in this case\nthat is the controller's owner rather than the target family's owner. The\ntarget family can consequently be unregistered and its module unloaded\nwhile a policy dump is pending. Advancing the dump then dereferences\npolicy memory from the unloaded module.\n\nTake a reference to the target family's module when the dump starts.\nDrop it from the error and done paths. This matches the lifetime for which\nthe dump context retains the family and policy pointers."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/netlink/genetlink.c"], "versions": [{"version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "lessThan": "7ee2c0f82354da9bae04b14e0e5b2037d2de48a7", "status": "affected", "versionType": "git"}, {"version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "lessThan": "7f71414c206a0e2babf4ec2756c0d15776c5dfd2", "status": "affected", "versionType": "git"}, {"version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "lessThan": "ad01ec35360e803670168d63a856629d6aeaec48", "status": "affected", "versionType": "git"}, {"version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "lessThan": "1a345d95e59a99e25404138b5a1ec2edcb03269f", "status": "affected", "versionType": "git"}, {"version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "lessThan": "6e4d746e55c83c240cffce92356763d16b236af5", "status": "affected", "versionType": "git"}, {"version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "lessThan": "508387ad95ef9c13aa6431678c39763e882da2dc", "status": "affected", "versionType": "git"}, {"version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "lessThan": "6d8e653fcf1c90310797eeba8e5fafe9ccc3de9e", "status": "affected", "versionType": "git"}, {"version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "lessThan": "6a1094c34d176827b2b173e163dcc964a13af93f", "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/netlink/genetlink.c"], "versions": [{"version": "5.8", "status": "affected"}, {"version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.273", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.224", "lessThanOrEqual": "5.15.*", "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": "6.12.112", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "5.8", "versionEndExcluding": "5.10.273"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.15.224"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.12.112"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7ee2c0f82354da9bae04b14e0e5b2037d2de48a7"}, {"url": "https://git.kernel.org/stable/c/7f71414c206a0e2babf4ec2756c0d15776c5dfd2"}, {"url": "https://git.kernel.org/stable/c/ad01ec35360e803670168d63a856629d6aeaec48"}, {"url": "https://git.kernel.org/stable/c/1a345d95e59a99e25404138b5a1ec2edcb03269f"}, {"url": "https://git.kernel.org/stable/c/6e4d746e55c83c240cffce92356763d16b236af5"}, {"url": "https://git.kernel.org/stable/c/508387ad95ef9c13aa6431678c39763e882da2dc"}, {"url": "https://git.kernel.org/stable/c/6d8e653fcf1c90310797eeba8e5fafe9ccc3de9e"}, {"url": "https://git.kernel.org/stable/c/6a1094c34d176827b2b173e163dcc964a13af93f"}], "title": "genetlink: pin family module during policy dump", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["net/netlink/genetlink.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "7ee2c0f82354da9bae04b14e0e5b2037d2de48a7", "status": "affected", "version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "versionType": "git"}, {"lessThan": "7f71414c206a0e2babf4ec2756c0d15776c5dfd2", "status": "affected", "version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "versionType": "git"}, {"lessThan": "ad01ec35360e803670168d63a856629d6aeaec48", "status": "affected", "version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "versionType": "git"}, {"lessThan": "1a345d95e59a99e25404138b5a1ec2edcb03269f", "status": "affected", "version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "versionType": "git"}, {"lessThan": "6e4d746e55c83c240cffce92356763d16b236af5", "status": "affected", "version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "versionType": "git"}, {"lessThan": "508387ad95ef9c13aa6431678c39763e882da2dc", "status": "affected", "version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "versionType": "git"}, {"lessThan": "6d8e653fcf1c90310797eeba8e5fafe9ccc3de9e", "status": "affected", "version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "versionType": "git"}, {"lessThan": "6a1094c34d176827b2b173e163dcc964a13af93f", "status": "affected", "version": "d07dcf9aadd6b2842b439e8668ff7ea2873f28d7", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["net/netlink/genetlink.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.8"}, {"lessThan": "5.8", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.273", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.224", "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": "6.12.112", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "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\ngenetlink: pin family module during policy dump\n\nThe generic netlink controller's policy dump keeps pointers to the target\nfamily's operation and policy tables in its callback state. A dump may be\nsplit across multiple skbs and remain pending after the initial request.\n\nNetlink pins the module which owns the dump callback, but in this case\nthat is the controller's owner rather than the target family's owner. The\ntarget family can consequently be unregistered and its module unloaded\nwhile a policy dump is pending. Advancing the dump then dereferences\npolicy memory from the unloaded module.\n\nTake a reference to the target family's module when the dump starts.\nDrop it from the error and done paths. This matches the lifetime for which\nthe dump context retains the family and policy pointers."}], "id": "CVE-2026-97901", "lastModified": "2026-10-30T13:21:10.170", "metrics": {}, "published": "2026-09-25T11:17:16.897", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1a345d95e59a99e25404138b5a1ec2edcb03269f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/508387ad95ef9c13aa6431678c39763e882da2dc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6a1094c34d176827b2b173e163dcc964a13af93f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6d8e653fcf1c90310797eeba8e5fafe9ccc3de9e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6e4d746e55c83c240cffce92356763d16b236af5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7ee2c0f82354da9bae04b14e0e5b2037d2de48a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7f71414c206a0e2babf4ec2756c0d15776c5dfd2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ad01ec35360e803670168d63a856629d6aeaec48"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: genetlink: pin family module during policy dump", "id": "2541252", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541252"}, "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-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ngenetlink: pin family module during policy dump\nThe generic netlink controller's policy dump keeps pointers to the target\nfamily's operation and policy tables in its callback state. A dump may be\nsplit across multiple skbs and remain pending after the initial request.\nNetlink pins the module which owns the dump callback, but in this case\nthat is the controller's owner rather than the target family's owner. The\ntarget family can consequently be unregistered and its module unloaded\nwhile a policy dump is pending. Advancing the dump then dereferences\npolicy memory from the unloaded module.\nTake a reference to the target family's module when the dump starts.\nDrop it from the error and done paths. This matches the lifetime for which\nthe dump context retains the family and policy pointers.", "A flaw was found in the Linux kernel's Generic Netlink (genetlink) component. This flaw allows a local user to cause a Denial of Service (DoS) through a system crash. The vulnerability occurs because the kernel fails to maintain a reference to the target module during a policy dump that spans multiple message buffers. If the target module is unloaded while the dump operation is pending, advancing the dump dereferences memory from the unloaded module."], "name": "CVE-2026-97901", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97901\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97901\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97901.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d07dcf9aadd6b2842b439e8668ff7ea2873f28d7,508387ad95ef9c13aa6431678c39763e882da2dc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d07dcf9aadd6b2842b439e8668ff7ea2873f28d7,6d8e653fcf1c90310797eeba8e5fafe9ccc3de9e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d07dcf9aadd6b2842b439e8668ff7ea2873f28d7,6a1094c34d176827b2b173e163dcc964a13af93f)"}}], "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": "generic", "value": "5.8"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.8)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc3,*]"}}], "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": "2026-09-25T20:00:08.970910+00:00", "updated": "2026-10-01T11:15:05.773228+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}