{"affected":[{"defaultStatus":"unaffected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"lessThan":"0f3d9dd5e1fd52b39e25328307c6a694e994ffe3","status":"affected","version":"de9cbbaadba5adf88a19e46df61f7054000838f6","versionType":"git"},{"lessThan":"26d3339e465e54107bd85884341d1609c5300d6a","status":"affected","version":"de9cbbaadba5adf88a19e46df61f7054000838f6","versionType":"git"},{"lessThan":"2c88b2d96e1d4d0c7c4589a4593d4cdee6d332d6","status":"affected","version":"de9cbbaadba5adf88a19e46df61f7054000838f6","versionType":"git"},{"lessThan":"b4b5a20bed82130da2f2818f04d52378952fbd0b","status":"affected","version":"de9cbbaadba5adf88a19e46df61f7054000838f6","versionType":"git"},{"lessThan":"85a2f30e40f7468db732f55659bc6318874f49af","status":"affected","version":"de9cbbaadba5adf88a19e46df61f7054000838f6","versionType":"git"},{"lessThan":"32ce55d424395904986f5066f8755f6cb9993377","status":"affected","version":"de9cbbaadba5adf88a19e46df61f7054000838f6","versionType":"git"},{"lessThan":"fc39753b7f92e09177777e9c648afe5aa3abb81f","status":"affected","version":"de9cbbaadba5adf88a19e46df61f7054000838f6","versionType":"git"},{"lessThan":"5828b9e5b272ecff7cf5d345128d3de7324117f7","status":"affected","version":"de9cbbaadba5adf88a19e46df61f7054000838f6","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","source":"CNA: Linux","vendor":"Linux","versions":[{"status":"affected","version":"4.19"},{"lessThan":"4.19","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.258","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.209","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.33","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.1","versionType":"original_commit_for_fix"}]},{"defaultStatus":"unknown","product":"SIMATIC S7-1500 TM MFP - GNU/Linux subsystem","source":"ADP: siemens-SADP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-45838","cwes":[],"description":"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.","epss":{"date":"2026-11-06","percentile":0.02612,"score":0.00129},"exploits":[],"kev":null,"metrics":[],"modifiedAt":1793979778554,"publishedAt":1779873876561,"references":[{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/0f3d9dd5e1fd52b39e25328307c6a694e994ffe3"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/26d3339e465e54107bd85884341d1609c5300d6a"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/2c88b2d96e1d4d0c7c4589a4593d4cdee6d332d6"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/b4b5a20bed82130da2f2818f04d52378952fbd0b"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/85a2f30e40f7468db732f55659bc6318874f49af"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/32ce55d424395904986f5066f8755f6cb9993377"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/fc39753b7f92e09177777e9c648afe5aa3abb81f"},{"source":"CNA: Linux","tags":[],"url":"https://git.kernel.org/stable/c/5828b9e5b272ecff7cf5d345128d3de7324117f7"},{"source":"ADP: siemens-SADP","tags":[],"url":"https://cert-portal.siemens.com/productcert/html/ssa-784472.html"}],"remediation":[],"revision":"5cdc3be6691ec65a52c2cd3eb343eabf1d0cfca62709e08891d8304ba68a7607","sources":[{"modifiedAt":1793979778554,"name":"CNA: Linux","retrievedAt":1793981739177,"url":"https://www.cve.org/CVERecord?id=CVE-2026-45838"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793981759503,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-45838"}],"ssvc":{"assessedAt":1793979694600,"automatable":"no","exploitation":"none","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"bpf: fix end-of-list detection in cgroup_storage_get_next_key()","updatedAt":1793981759503}