UnratedFix available
ocfs2: fix reflink preserve cleanup issue
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix reflink preserve cleanup issue commit c06c303832ec ("ocfs2: fix xattr array entry __counted_by error") doesn't handle all cases and the cleanup job for preserved xattr entries still has bug: - the 'last' pointer should be shifted by one unit after cleanup an array entry. - current code logic doesn't cleanup the first entry when xh_count is 1. Note, commit c06c303832ec is also a bug fix for 0fe9b66c65f3.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.10.252, 5.15.202, 6.1.165, 6.12.75, 6.18.16, 6.19.6, 6.6.128
- CVEs
- CVE-2026-43168
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 01:00 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix reflink preserve cleanup issue commit c06c303832ec ("ocfs2: fix xattr array entry __counted_by error") doesn't handle all cases and the cleanup job for preserved xattr entries still has bug: - the 'last' pointer should be shifted by one unit after cleanup an array entry. - current code logic doesn't cleanup the first entry when xh_count is 1. Note, commit c06c303832ec is also a bug fix for 0fe9b66c65f3.
osv:CVE-2026-43168
Kernel
Fixed versions: 5.10.252, 5.15.202, 6.1.165, 6.6.128, 6.12.75, 6.18.16, 6.19.6
Complete source record
{
"id": "2ed0ad0007ca91f7a8f8af32835d6b4050bfa8ef8ec24a9fd04f301d3205b0e4",
"url": "https://osv.dev/vulnerability/CVE-2026-43168",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ocfs2: fix reflink preserve cleanup issue",
"summary": "In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix reflink preserve cleanup issue commit c06c303832ec (\"ocfs2: fix xattr array entry __counted_by error\") doesn't handle all cases and the cleanup job for preserved xattr entries still has bug: - the 'last' pointer should be shifted by one unit after cleanup an array entry. - current code logic doesn't cleanup the first entry when xh_count is 1. Note, commit c06c303832ec is also a bug fix for 0fe9b66c65f3.",
"evidence": "osv:CVE-2026-43168",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
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"prerequisites": [],
"fixed_versions": [
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"value": "5.10.252",
"evidence": "/affected/1/ranges"
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{
"value": "5.15.202",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.165",
"evidence": "/affected/1/ranges"
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{
"value": "6.6.128",
"evidence": "/affected/1/ranges"
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{
"value": "6.12.75",
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},
{
"value": "6.18.16",
"evidence": "/affected/1/ranges"
},
{
"value": "6.19.6",
"evidence": "/affected/1/ranges"
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],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2026-43168",
"aliases": [
"CVE-2026-43168"
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"affected": [
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{
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"database_specific": {
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{
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{
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"events": [
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{
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{
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{
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"package": {
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"database_specific": {
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],
"modified": "2026-10-28T02:30:48.706604521Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/02acc9f72365e50eb45a56b7dacb9114ca3b503c",
"https://git.kernel.org/stable/c/2f4daccd9d9b8b2952df7878df8c2e8ba6439398",
"https://git.kernel.org/stable/c/3bdc3766aafb052aef4baadef455a84c1c0a059d",
"https://git.kernel.org/stable/c/5138c936c2c82c9be8883921854bc6f7e1177d8c",
"https://git.kernel.org/stable/c/8ff329353134280b203cb2bce95311cb8f7cbd8a",
"https://git.kernel.org/stable/c/b2952dbeac2c3c527cb0519d5ffaeb95b062466a",
"https://git.kernel.org/stable/c/bb273b68c1719c2925e05557f7e7099edb066680",
"https://git.kernel.org/stable/c/c44d86ca949cb1e5566ad14510cc26fa1a17e2d8",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43168.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-43168",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43168.json"
}
},
"related_cves": [
{
"value": "CVE-2026-43168",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 516811,
"published_at": "2026-05-06T11:27:44.57+00:00"
}