CVE-2026-90250

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90250", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.795Z", "datePublished": "2026-09-17T16:07:51.403Z", "dateUpdated": "2026-10-30T12:34:56.117Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:34:56.117Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, cgroup: Fix storage null-ptr-deref after replacing prog\n\nSyzkaller reported a storage null-ptr-deref issue after replacing prog.\nThis occurs in the following scenario:\n1. prog A, an empty prog, is attached to a cgrp.\n2. prog B uses BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE and calls the\n bpf_get_local_storage helper.\n3. link_update is called to replace prog A with prog B.\n\nThe reason is that __cgroup_bpf_replace fails to alloc and assign the\nrequired cgrp storage for the incoming replacement prog. Consequently,\nthe new prog inherits an uninit storage, leading to null-ptr-deref panic\nwhen kick the new prog.\n\nFix this by rejecting a link update if new_prog's cgroup storage is\nincompatible with link->prog."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/cgroup.c"], "versions": [{"version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "lessThan": "85785e7e2ebddcaa5c3b31bd3bcd83ae648985d4", "status": "affected", "versionType": "git"}, {"version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "lessThan": "16c8321ee40c420f8e02e09515a5126682ddf4ea", "status": "affected", "versionType": "git"}, {"version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "lessThan": "a033c950f6731be88a7da98604ed78f302f15b80", "status": "affected", "versionType": "git"}, {"version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "lessThan": "1ab3da12061d7ccb099f7e925fa2d865967a316a", "status": "affected", "versionType": "git"}, {"version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "lessThan": "12feca126831556dc7fabe5a3ba28fbd328768b6", "status": "affected", "versionType": "git"}, {"version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "lessThan": "3f562c537e9ecf4bc5e206cfffc2cc047f1b7e94", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/cgroup.c"], "versions": [{"version": "5.7", "status": "affected"}, {"version": "0", "lessThan": "5.7", "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": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "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": "5.7", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.7", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/85785e7e2ebddcaa5c3b31bd3bcd83ae648985d4"}, {"url": "https://git.kernel.org/stable/c/16c8321ee40c420f8e02e09515a5126682ddf4ea"}, {"url": "https://git.kernel.org/stable/c/a033c950f6731be88a7da98604ed78f302f15b80"}, {"url": "https://git.kernel.org/stable/c/1ab3da12061d7ccb099f7e925fa2d865967a316a"}, {"url": "https://git.kernel.org/stable/c/12feca126831556dc7fabe5a3ba28fbd328768b6"}, {"url": "https://git.kernel.org/stable/c/3f562c537e9ecf4bc5e206cfffc2cc047f1b7e94"}], "title": "bpf, cgroup: Fix storage null-ptr-deref after replacing prog", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["kernel/bpf/cgroup.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "85785e7e2ebddcaa5c3b31bd3bcd83ae648985d4", "status": "affected", "version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "versionType": "git"}, {"lessThan": "16c8321ee40c420f8e02e09515a5126682ddf4ea", "status": "affected", "version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "versionType": "git"}, {"lessThan": "a033c950f6731be88a7da98604ed78f302f15b80", "status": "affected", "version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "versionType": "git"}, {"lessThan": "1ab3da12061d7ccb099f7e925fa2d865967a316a", "status": "affected", "version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "versionType": "git"}, {"lessThan": "12feca126831556dc7fabe5a3ba28fbd328768b6", "status": "affected", "version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "versionType": "git"}, {"lessThan": "3f562c537e9ecf4bc5e206cfffc2cc047f1b7e94", "status": "affected", "version": "0c991ebc8c69d29b7fc44db17075c5aa5253e2ab", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["kernel/bpf/cgroup.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.7"}, {"lessThan": "5.7", "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": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "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\nbpf, cgroup: Fix storage null-ptr-deref after replacing prog\n\nSyzkaller reported a storage null-ptr-deref issue after replacing prog.\nThis occurs in the following scenario:\n1. prog A, an empty prog, is attached to a cgrp.\n2. prog B uses BPF_MAP_TYPE_PERCPU_CGROUP_STORAGE and calls the\n bpf_get_local_storage helper.\n3. link_update is called to replace prog A with prog B.\n\nThe reason is that __cgroup_bpf_replace fails to alloc and assign the\nrequired cgrp storage for the incoming replacement prog. Consequently,\nthe new prog inherits an uninit storage, leading to null-ptr-deref panic\nwhen kick the new prog.\n\nFix this by rejecting a link update if new_prog's cgroup storage is\nincompatible with link->prog."}], "id": "CVE-2026-90250", "lastModified": "2026-10-30T13:20:47.760", "metrics": {}, "published": "2026-09-17T17:17:21.237", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/12feca126831556dc7fabe5a3ba28fbd328768b6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/16c8321ee40c420f8e02e09515a5126682ddf4ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1ab3da12061d7ccb099f7e925fa2d865967a316a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3f562c537e9ecf4bc5e206cfffc2cc047f1b7e94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/85785e7e2ebddcaa5c3b31bd3bcd83ae648985d4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a033c950f6731be88a7da98604ed78f302f15b80"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0c991ebc8c69d29b7fc44db17075c5aa5253e2ab,a033c950f6731be88a7da98604ed78f302f15b80)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0c991ebc8c69d29b7fc44db17075c5aa5253e2ab,1ab3da12061d7ccb099f7e925fa2d865967a316a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0c991ebc8c69d29b7fc44db17075c5aa5253e2ab,12feca126831556dc7fabe5a3ba28fbd328768b6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0c991ebc8c69d29b7fc44db17075c5aa5253e2ab,3f562c537e9ecf4bc5e206cfffc2cc047f1b7e94)"}}], "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": "5.7"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.7)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "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": "2026-09-19T03:45:17.046170+00:00", "updated": "2026-09-19T07:00:10.673769+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}