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vuln-cve/data/2026/43xxx/CVE-2026-43308.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-43308",
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"state": "PUBLISHED",
"assignerShortName": "Linux",
"dateReserved": "2026-05-01T14:12:56.000Z",
"datePublished": "2026-05-08T13:11:26.937Z",
"dateUpdated": "2026-11-06T15:42:47.611Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux",
"dateUpdated": "2026-10-30T12:25:24.107Z"
},
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbtrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()\n\nThere is no need to BUG(), we can just return an error and log an error\nmessage."
}
],
"affected": [
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "unaffected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/btrfs/extent-tree.c"
],
"versions": [
{
"version": "5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0",
"lessThan": "c614b64bee2c3cbb0c80dd3a9ee492c74364e275",
"status": "affected",
"versionType": "git"
},
{
"version": "5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0",
"lessThan": "0e77f1c8ebf5b1f858b5ac613baceb79919d6d3f",
"status": "affected",
"versionType": "git"
},
{
"version": "5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0",
"lessThan": "a5ac87aabdedd31e832b40466605e83f428136aa",
"status": "affected",
"versionType": "git"
},
{
"version": "5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0",
"lessThan": "6ad4caadc6343c3d7987bf3211f15d66135c4c42",
"status": "affected",
"versionType": "git"
},
{
"version": "5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0",
"lessThan": "5549743e11c06da23cfa7712a994b9f1e69064c6",
"status": "affected",
"versionType": "git"
},
{
"version": "5d4f98a28c7d334091c1b7744f48a1acdd2a4ae0",
"lessThan": "c7d1d4ff56744074e005771aff193b927392d51f",
"status": "affected",
"versionType": "git"
}
]
},
{
"product": "Linux",
"vendor": "Linux",
"defaultStatus": "affected",
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"programFiles": [
"fs/btrfs/extent-tree.c"
],
"versions": [
{
"version": "2.6.31",
"status": "affected"
},
{
"version": "0",
"lessThan": "2.6.31",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.6.160",
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.12.114",
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.18.57",
"lessThanOrEqual": "6.18.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "6.19.6",
"lessThanOrEqual": "6.19.*",
"status": "unaffected",
"versionType": "semver"
},
{
"version": "7.0",
"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": "2.6.31",
"versionEndExcluding": "6.1.191"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "6.6.160"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "6.12.114"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "6.18.57"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "6.19.6"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionStartIncluding": "2.6.31",
"versionEndExcluding": "7.0"
}
]
}
]
}
],
"references": [
{
"url": "https://git.kernel.org/stable/c/c614b64bee2c3cbb0c80dd3a9ee492c74364e275"
},
{
"url": "https://git.kernel.org/stable/c/0e77f1c8ebf5b1f858b5ac613baceb79919d6d3f"
},
{
"url": "https://git.kernel.org/stable/c/a5ac87aabdedd31e832b40466605e83f428136aa"
},
{
"url": "https://git.kernel.org/stable/c/6ad4caadc6343c3d7987bf3211f15d66135c4c42"
},
{
"url": "https://git.kernel.org/stable/c/5549743e11c06da23cfa7712a994b9f1e69064c6"
},
{
"url": "https://git.kernel.org/stable/c/c7d1d4ff56744074e005771aff193b927392d51f"
}
],
"title": "btrfs: don't BUG() on unexpected delayed ref type in run_one_delayed_ref()",
"x_generator": {
"engine": "bippy-1.2.0"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2026-43308",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2026-11-06T15:34:57.010242Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2026-11-06T15:42:47.611Z"
}
}
]
}
}