Microsoft · btrfs: zoned: finish active block group cleanup if call_zone_finish() fails
Affects MicrosoftSource GCVE Database
Not known to be exploited · fixed in e1b168a53174b385e3548bfbd079513b22ac240c : update Microsoft when convenient.
Data as of 7 Nov 2026, 13:02 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- Patch
- Available – fixed in e1b168a53174b385e3548bfbd079513b22ac240c, a18a6b93a2843b9d103d3456bbd4b3f90282a379, 40370f02a1ca3760f8925ffcbe76eb4d91ea758d +2
Exploitation evidence
Disclosed: evidence found.
CVE published 25 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 7 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in
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| LinuxLinux | Affected
| Fixed in– |
Description
A vulnerability identified as CVE-2026-98081 affects the btrfs zoned block group cleanup process in Microsoft software versions 3.0 and 4.0. The issue involves incomplete cleanup when the call_zone_finish() function fails.