{"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"}}}}