CriticalFix available
gfs2: add some missing log locking
Type: advisorySources: OSV
In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2_logd() calls the log flushing functions gfs2_ail1_start(), gfs2_ail1_wait(), and gfs2_ail1_empty() without holding sdp->sd_log_flush_lock, but these functions require exclusion against concurrent transactions. To fix that, add a non-locking __gfs2_log_flush() function. Then, in gfs2_logd(), take sdp->sd_log_flush_lock before calling the above mentioned log flushing functions and __gfs2_log_flush().
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.15.209, 6.1.175, 6.12.91, 6.18.33, 6.6.141, 7.0.10
- CVEs
- CVE-2026-53049
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 3 Nov 2026, 14:39 UTC · Revision 1
Source evidence
In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2_logd() calls the log flushing functions gfs2_ail1_start(), gfs2_ail1_wait(), and gfs2_ail1_empty() without holding sdp->sd_log_flush_lock, but these functions require exclusion against concurrent transactions. To fix that, add a non-locking __gfs2_log_flush() function. Then, in gfs2_logd(), take sdp->sd_log_flush_lock before calling the above mentioned log flushing functions and __gfs2_log_flush().
osv:CVE-2026-53049
Kernel
Fixed versions: 5.15.209, 6.1.175, 6.6.141, 6.12.91, 6.18.33, 7.0.10
Complete source record
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"url": "https://osv.dev/vulnerability/CVE-2026-53049",
"method": "structured",
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"title": "gfs2: add some missing log locking",
"summary": "In the Linux kernel, the following vulnerability has been resolved: gfs2: add some missing log locking Function gfs2_logd() calls the log flushing functions gfs2_ail1_start(), gfs2_ail1_wait(), and gfs2_ail1_empty() without holding sdp->sd_log_flush_lock, but these functions require exclusion against concurrent transactions. To fix that, add a non-locking __gfs2_log_flush() function. Then, in gfs2_logd(), take sdp->sd_log_flush_lock before calling the above mentioned log flushing functions and __gfs2_log_flush().",
"evidence": "osv:CVE-2026-53049",
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"modified": "2026-10-28T02:30:29.552334769Z",
"provider": "osv",
"references": [
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"https://git.kernel.org/stable/c/fe2c8d051150b90b3ccb85f89e3b1d636cb88ec8",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53049.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-53049",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
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"provider_metadata": {
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"related_cves": [
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"evidence": "/id"
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"security_relevant": true,
"severity_evidence": "/severity/0/score"
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"source_id": "core-osv",
"document_id": 496435,
"published_at": "2026-06-24T16:29:55.19+00:00"
}