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CVE-2026-99132VulnerabilityPublished

Microsoft · xfs: don't hold buffer locks across sync transaction commit in xfs_sync_sb_buf

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99132· Medium

Not known to be exploited · fixed in e5456dec79c71c8ef8f9f9adb77d320f113b34db : update Microsoft when convenient.

Data as of 29 Oct 2026, 11:49 UTC

Severity
Medium

Rated by Threat Radar · CVSS not yet scored by NVD

Thin evidence

One scorer or none
Patch
Available – fixed in e5456dec79c71c8ef8f9f9adb77d320f113b34db, 6353e5cd8c43d6e805cacbfbfecf4103571a7ff8, 41a28c865d1d5843f8cb9e0af17a8f4d9e2961ff

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 28 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

What to do

Upgrade Linux to e5456dec79c71c8ef8f9f9adb77d320f113b34db, 6353e5cd8c43d6e805cacbfbfecf4103571a7ff8 or 41a28c865d1d5843f8cb9e0af17a8f4d9e2961ff.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • ≥ f7664b31975bd893190708e76b2c424328f0c49b, < e5456dec79c71c8ef8f9f9adb77d320f113b34db
Fixed in
  • e5456dec79c71c8ef8f9f9adb77d320f113b34db
LinuxLinuxAffected
  • ≥ f7664b31975bd893190708e76b2c424328f0c49b, < 6353e5cd8c43d6e805cacbfbfecf4103571a7ff8
Fixed in
  • 6353e5cd8c43d6e805cacbfbfecf4103571a7ff8
LinuxLinuxAffected
  • ≥ f7664b31975bd893190708e76b2c424328f0c49b, < 41a28c865d1d5843f8cb9e0af17a8f4d9e2961ff
Fixed in
  • 41a28c865d1d5843f8cb9e0af17a8f4d9e2961ff
LinuxLinuxAffected
  • =4.18
Fixed in–

Description

This vulnerability involves the xfs filesystem where buffer locks are held across a sync transaction commit in the function xfs_sync_sb_buf. The issue is identified in version 3.0 of the affected software. No CVSS score or detailed impact information is provided.

References

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