{ "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": "2026-06-14T17:46:05.613Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:46:05.613Z" }, "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": "0f3d9dd5e1fd52b39e25328307c6a694e994ffe3", "status": "affected", "versionType": "git" }, { "version": "de9cbbaadba5adf88a19e46df61f7054000838f6", "lessThan": "26d3339e465e54107bd85884341d1609c5300d6a", "status": "affected", "versionType": "git" }, { "version": "de9cbbaadba5adf88a19e46df61f7054000838f6", "lessThan": "2c88b2d96e1d4d0c7c4589a4593d4cdee6d332d6", "status": "affected", "versionType": "git" }, { "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": "5.10.258", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.209", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.175", "lessThanOrEqual": "6.1.*", "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", "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": "5.10.258" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "5.15.209" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.19", "versionEndExcluding": "6.1.175" }, { "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" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/0f3d9dd5e1fd52b39e25328307c6a694e994ffe3" }, { "url": "https://git.kernel.org/stable/c/26d3339e465e54107bd85884341d1609c5300d6a" }, { "url": "https://git.kernel.org/stable/c/2c88b2d96e1d4d0c7c4589a4593d4cdee6d332d6" }, { "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" } } } }