CVE-2026-97550: Linux kernel · xfs: fix unit conversions in per_binval computation
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 26 Oct 2026, 14:05 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 25 Sep 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.04 LTSlinuxpkg:deb/ubuntu/linux?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-awspkg:deb/ubuntu/linux-aws?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azurepkg:deb/ubuntu/linux-azure?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-azure-fdepkg:deb/ubuntu/linux-azure-fde?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gcppkg:deb/ubuntu/linux-gcp?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Ubuntu 26.04 LTSlinux-gkepkg:deb/ubuntu/linux-gke?arch=source&distro=resoluteOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A fix is available and has been applied to the affected Linux kernel versions listed. Users should update to patched versions of the Linux kernel to remediate this issue.
Description
A vulnerability in the Linux kernel's XFS filesystem code involved incorrect unit conversions in the per_binval computation. Specifically, the conversion between filesystem blocks and bytes was done backwards, potentially affecting the function xfs_buf_inval_log_space. This issue has been resolved in affected Linux kernel versions.
References
- ubuntu.com/security/CVE-2026-97550 (opens in a new tab)
- cve.org/CVERecord?id=CVE-2026-97550 (opens in a new tab)
- git.kernel.org/stable/c/cfeba3bdf4dfa405e29f4ee13a20e9063fd0b7ef (opens in a new tab)
- git.kernel.org/stable/c/b5089a328acc83fe2f23127a79397a0bfd9ebc33 (opens in a new tab)
- git.kernel.org/stable/c/05cff7c2b79f76c7cfe90613a60e16aaaa051ef7 (opens in a new tab)