CVE-2026-90313

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90313", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.801Z", "datePublished": "2026-09-17T16:08:32.932Z", "dateUpdated": "2026-10-30T12:35:08.910Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-30T12:35:08.910Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf, cgroup: Fix invalid storage access after __cgroup_bpf_attach failed\n\nA potential invalid storage access issue can occur after replacing a\ncgroup bpf prog.\n\nThis occurs in the following scenario:\n1. prog1 with storage is attached to a cgroup in multi-attach mode.\n2. prog1 is replaced with prog2 using BPF_F_REPLACE in multi-attach\n mode, but fails midway (e.g. in bpf_trampoline_link_cgroup_shim or\n update_effective_progs).\n3. A new prog3 is attached to the cgroup in multi-attach mode.\n\nThe reason is that __cgroup_bpf_attach overwrites pl->storage with the\nnew storage prior to attachment completion. When attachment fails\nmidway, the cleanup path calls bpf_cgroup_storages_free(new_storage) to\nfree the newly allocated storage, but fails to restore pl->storage back\nto old_storage.\n\nConsequently, the still-active prog1 holds invalid or dangling storage\npointers, leading to an invalid memory access when prog1 executes and\ncalls bpf_get_local_storage. Additionally, original pl->flags and\ncgrp->bpf.flags[atype] are left unrestored.\n\nFix this by saving old_pl_flags, old_storage, and old_flags prior to the\nupdate, and properly restoring all of them in the cleanup path on error."}], "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": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "lessThan": "217b257d2c39e8dc32d691e8952f3cd921a80233", "status": "affected", "versionType": "git"}, {"version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "lessThan": "e26db0d636e4c24a6b16683ea95cf5077c64d74b", "status": "affected", "versionType": "git"}, {"version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "lessThan": "aaca16e042527f7efe48b50799bc662f1a191ce1", "status": "affected", "versionType": "git"}, {"version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "lessThan": "86ead176301109b78e1d14c0e9d0d9ff9723c769", "status": "affected", "versionType": "git"}, {"version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "lessThan": "2c2218560b6e28a63ff7834ba26d09ff8efdee39", "status": "affected", "versionType": "git"}, {"version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "lessThan": "6655c409707ec8ce9ce0850ffe4fe02331fd4d9c", "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": "5.9", "status": "affected"}, {"version": "0", "lessThan": "5.9", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.191", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.157", "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": "5.9", "versionEndExcluding": "6.1.191"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.6.157"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.9", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/217b257d2c39e8dc32d691e8952f3cd921a80233"}, {"url": "https://git.kernel.org/stable/c/e26db0d636e4c24a6b16683ea95cf5077c64d74b"}, {"url": "https://git.kernel.org/stable/c/aaca16e042527f7efe48b50799bc662f1a191ce1"}, {"url": "https://git.kernel.org/stable/c/86ead176301109b78e1d14c0e9d0d9ff9723c769"}, {"url": "https://git.kernel.org/stable/c/2c2218560b6e28a63ff7834ba26d09ff8efdee39"}, {"url": "https://git.kernel.org/stable/c/6655c409707ec8ce9ce0850ffe4fe02331fd4d9c"}], "title": "bpf, cgroup: Fix invalid storage access after __cgroup_bpf_attach failed", "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": "217b257d2c39e8dc32d691e8952f3cd921a80233", "status": "affected", "version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "versionType": "git"}, {"lessThan": "e26db0d636e4c24a6b16683ea95cf5077c64d74b", "status": "affected", "version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "versionType": "git"}, {"lessThan": "aaca16e042527f7efe48b50799bc662f1a191ce1", "status": "affected", "version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "versionType": "git"}, {"lessThan": "86ead176301109b78e1d14c0e9d0d9ff9723c769", "status": "affected", "version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "versionType": "git"}, {"lessThan": "2c2218560b6e28a63ff7834ba26d09ff8efdee39", "status": "affected", "version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "versionType": "git"}, {"lessThan": "6655c409707ec8ce9ce0850ffe4fe02331fd4d9c", "status": "affected", "version": "7d9c3427894fe70d1347b4820476bf37736d2ff0", "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": "5.9"}, {"lessThan": "5.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.191", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.157", "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 invalid storage access after __cgroup_bpf_attach failed\n\nA potential invalid storage access issue can occur after replacing a\ncgroup bpf prog.\n\nThis occurs in the following scenario:\n1. prog1 with storage is attached to a cgroup in multi-attach mode.\n2. prog1 is replaced with prog2 using BPF_F_REPLACE in multi-attach\n mode, but fails midway (e.g. in bpf_trampoline_link_cgroup_shim or\n update_effective_progs).\n3. A new prog3 is attached to the cgroup in multi-attach mode.\n\nThe reason is that __cgroup_bpf_attach overwrites pl->storage with the\nnew storage prior to attachment completion. When attachment fails\nmidway, the cleanup path calls bpf_cgroup_storages_free(new_storage) to\nfree the newly allocated storage, but fails to restore pl->storage back\nto old_storage.\n\nConsequently, the still-active prog1 holds invalid or dangling storage\npointers, leading to an invalid memory access when prog1 executes and\ncalls bpf_get_local_storage. Additionally, original pl->flags and\ncgrp->bpf.flags[atype] are left unrestored.\n\nFix this by saving old_pl_flags, old_storage, and old_flags prior to the\nupdate, and properly restoring all of them in the cleanup path on error."}], "id": "CVE-2026-90313", "lastModified": "2026-10-30T13:20:49.570", "metrics": {}, "published": "2026-09-17T17:17:29.087", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/217b257d2c39e8dc32d691e8952f3cd921a80233"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c2218560b6e28a63ff7834ba26d09ff8efdee39"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6655c409707ec8ce9ce0850ffe4fe02331fd4d9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/86ead176301109b78e1d14c0e9d0d9ff9723c769"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/aaca16e042527f7efe48b50799bc662f1a191ce1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e26db0d636e4c24a6b16683ea95cf5077c64d74b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7d9c3427894fe70d1347b4820476bf37736d2ff0,e26db0d636e4c24a6b16683ea95cf5077c64d74b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7d9c3427894fe70d1347b4820476bf37736d2ff0,aaca16e042527f7efe48b50799bc662f1a191ce1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7d9c3427894fe70d1347b4820476bf37736d2ff0,86ead176301109b78e1d14c0e9d0d9ff9723c769)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7d9c3427894fe70d1347b4820476bf37736d2ff0,2c2218560b6e28a63ff7834ba26d09ff8efdee39)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[7d9c3427894fe70d1347b4820476bf37736d2ff0,6655c409707ec8ce9ce0850ffe4fe02331fd4d9c)"}}], "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": "5.9"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.9)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.157,7.0.0)"}}, {"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": "semver", "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": "2026-09-19T04:45:06.024450+00:00", "updated": "2026-09-19T05:00:09.584236+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-593"]}