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CVE-2026-99136VulnerabilityPublished

crypt_dec_pending · dm-crypt: fix a tiny race condition

Affects MicrosoftSource GCVE Database

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Authoritative record:CVE-2026-99136· Medium

Not known to be exploited · fixed in ac5d887ab93592fc5e3605fe30c1d8d232d609b3 : 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 ac5d887ab93592fc5e3605fe30c1d8d232d609b3, 148845aa1921d95ef5dc851c76e6a284f6657df6, 4f16bb982b27b9f5a15301f622c318001fe521f8 +1

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 ac5d887ab93592fc5e3605fe30c1d8d232d609b3, 148845aa1921d95ef5dc851c76e6a284f6657df6, 4f16bb982b27b9f5a15301f622c318001fe521f8 or 2.6.29.

Affected software

ProductAffectedFixed in
LinuxLinuxAffected
  • >=2.6.28.9 <2.6.29
Fixed in
  • ac5d887ab93592fc5e3605fe30c1d8d232d609b3
  • 148845aa1921d95ef5dc851c76e6a284f6657df6
  • 4f16bb982b27b9f5a15301f622c318001fe521f8
  • 2.6.29
LinuxLinuxAffected
  • =2.6.29
Fixed in–

Description

A race condition vulnerability exists in the dm-crypt component's crypt_dec_pending function. This issue was identified and published by Microsoft Security Response Center. No detailed impact or exploitation information is provided.

References

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