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vuln-cve/data/2026/45xxx/CVE-2026-45838.json
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{
"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": "2026-11-06T15:42:58.554Z"
},
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"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."
}
],
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"kernel/bpf/local_storage.c"
],
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},
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"product": "Linux",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
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],
"versions": [
{
"version": "4.19",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.19",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "5.10.258",
"lessThanOrEqual": "5.10.*",
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{
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"lessThanOrEqual": "5.15.*",
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{
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"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
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"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",
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},
{
"version": "7.0.10",
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"status": "unaffected",
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},
{
"version": "7.1",
"lessThanOrEqual": "*",
"status": "unaffected",
"versionType": "original_commit_for_fix"
}
]
}
],
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{
"nodes": [
{
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"negate": false,
"cpeMatch": [
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"references": [
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"url": "https://git.kernel.org/stable/c/0f3d9dd5e1fd52b39e25328307c6a694e994ffe3"
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{
"url": "https://git.kernel.org/stable/c/26d3339e465e54107bd85884341d1609c5300d6a"
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{
"url": "https://git.kernel.org/stable/c/2c88b2d96e1d4d0c7c4589a4593d4cdee6d332d6"
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{
"url": "https://git.kernel.org/stable/c/b4b5a20bed82130da2f2818f04d52378952fbd0b"
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{
"url": "https://git.kernel.org/stable/c/85a2f30e40f7468db732f55659bc6318874f49af"
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{
"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": {
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}
},
"adp": [
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"dateUpdated": "2026-10-15T01:19:40.227Z"
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"version": "0",
"lessThan": "*",
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],
"references": [
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{
"metrics": [
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"other": {
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"content": {
"id": "CVE-2026-45838",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
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}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:41:34.600514Z"
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