{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45838", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.077Z", "datePublished": "2026-05-27T09:24:36.561Z", "dateUpdated": "2026-05-27T09:24:36.561Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T09:24:36.561Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: fix end-of-list detection in cgroup_storage_get_next_key()\n\nlist_next_entry() never returns NULL -- when the current element is the\nlast entry it wraps to the list head via container_of(). The subsequent\nNULL check is therefore dead code and get_next_key() never returns\n-ENOENT for the last element, instead reading storage->key from a bogus\npointer that aliases internal map fields and copying the result to\nuserspace.\n\nReplace it with list_entry_is_head() so the function correctly returns\n-ENOENT when there are no more entries."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["kernel/bpf/local_storage.c"], "versions": [{"version": "de9cbbaadba5adf88a19e46df61f7054000838f6", "lessThan": "b4b5a20bed82130da2f2818f04d52378952fbd0b", "status": "affected", "versionType": "git"}, {"version": "de9cbbaadba5adf88a19e46df61f7054000838f6", "lessThan": "85a2f30e40f7468db732f55659bc6318874f49af", "status": "affected", "versionType": "git"}, {"version": "de9cbbaadba5adf88a19e46df61f7054000838f6", "lessThan": "32ce55d424395904986f5066f8755f6cb9993377", "status": "affected", "versionType": "git"}, {"version": "de9cbbaadba5adf88a19e46df61f7054000838f6", "lessThan": "fc39753b7f92e09177777e9c648afe5aa3abb81f", "status": "affected", "versionType": "git"}, {"version": "de9cbbaadba5adf88a19e46df61f7054000838f6", "lessThan": "5828b9e5b272ecff7cf5d345128d3de7324117f7", "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/local_storage.c"], "versions": [{"version": "4.19", "status": "affected"}, {"version": "0", "lessThan": "4.19", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.141", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.91", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.33", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.10", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1-rc1", "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": "4.19", "versionEndExcluding": "6.6.141"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.12.91"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.18.33"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.0.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "7.1-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b4b5a20bed82130da2f2818f04d52378952fbd0b"}, {"url": "https://git.kernel.org/stable/c/85a2f30e40f7468db732f55659bc6318874f49af"}, {"url": "https://git.kernel.org/stable/c/32ce55d424395904986f5066f8755f6cb9993377"}, {"url": "https://git.kernel.org/stable/c/fc39753b7f92e09177777e9c648afe5aa3abb81f"}, {"url": "https://git.kernel.org/stable/c/5828b9e5b272ecff7cf5d345128d3de7324117f7"}], "title": "bpf: fix end-of-list detection in cgroup_storage_get_next_key()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbpf: fix end-of-list detection in cgroup_storage_get_next_key()\n\nlist_next_entry() never returns NULL -- when the current element is the\nlast entry it wraps to the list head via container_of(). The subsequent\nNULL check is therefore dead code and get_next_key() never returns\n-ENOENT for the last element, instead reading storage->key from a bogus\npointer that aliases internal map fields and copying the result to\nuserspace.\n\nReplace it with list_entry_is_head() so the function correctly returns\n-ENOENT when there are no more entries."}], "id": "CVE-2026-45838", "lastModified": "2026-05-27T14:48:03.013", "metrics": {}, "published": "2026-05-27T11:16:23.130", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/32ce55d424395904986f5066f8755f6cb9993377"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5828b9e5b272ecff7cf5d345128d3de7324117f7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/85a2f30e40f7468db732f55659bc6318874f49af"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b4b5a20bed82130da2f2818f04d52378952fbd0b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fc39753b7f92e09177777e9c648afe5aa3abb81f"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[de9cbbaadba5adf88a19e46df61f7054000838f6,b4b5a20bed82130da2f2818f04d52378952fbd0b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[de9cbbaadba5adf88a19e46df61f7054000838f6,85a2f30e40f7468db732f55659bc6318874f49af)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[de9cbbaadba5adf88a19e46df61f7054000838f6,32ce55d424395904986f5066f8755f6cb9993377)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[de9cbbaadba5adf88a19e46df61f7054000838f6,fc39753b7f92e09177777e9c648afe5aa3abb81f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[de9cbbaadba5adf88a19e46df61f7054000838f6,5828b9e5b272ecff7cf5d345128d3de7324117f7)"}}], "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": "4.19"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.141,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.91,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.33,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.10,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1-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": "2026-05-27T11:45:15.405261+00:00", "title": "Kernel BPF interface can expose kernel memory through faulty end-of-list detection", "updated": "2026-05-27T13:45:34.128065+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-200", "CWE-119"]}