High 7.8Published Apr 30, 2026

CVE-2026-31693cifs: some missing initializations on replay

Updated under an hour ago (Oct 28, 2026, 10:23 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: cifs: some missing initializations on replay In several places in the code, we have a label to signify the start of the code where a request can be replayed if necessary. However, some of these places were missing the necessary reinitializations of certain local variables before replay. This change makes sure that these variables get initialized after the label.

CVSS: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-665
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 433042a91f9373241307725b52de573933ffedbf before c854ab481ece4b3e5f4c2e8b22824f015ff874a5; 4f1fffa2376922f3d1d506e49c0fd445b023a28e builds before 1d731e512134495e0ef490ade0e4d91dc0d515ec; from 4f1fffa2376922f3d1d506e49c0fd445b023a28e before 7c9ce68192eef14c777cb6ce17155d2eb2431aea; from 4f1fffa2376922f3d1d506e49c0fd445b023a28e before c99e160938b627f6f28edee930e8abc157e84386; from 4f1fffa2376922f3d1d506e49c0fd445b023a28e before 14f66f44646333d2bfd7ece36585874fd72f8286; from 6.6.32 before 6.6.128	CNA record
linux linux_kernel linux:linux_kernel	from 6.6.32 before 6.6.128; from 6.8.1 before 6.12.75; from 6.13 before 6.18.16; from 6.19 before 6.19.6; 6.8; 6.8; 6.8; 6.8; and 3 more ranges	NVD

References

References

https://git.kernel.org/stable/c/c854ab481ece4b3e5f4c2e8b22824f015ff874a5	patch
https://git.kernel.org/stable/c/1d731e512134495e0ef490ade0e4d91dc0d515ec	patch
https://git.kernel.org/stable/c/7c9ce68192eef14c777cb6ce17155d2eb2431aea	patch
https://git.kernel.org/stable/c/c99e160938b627f6f28edee930e8abc157e84386	patch
https://git.kernel.org/stable/c/14f66f44646333d2bfd7ece36585874fd72f8286	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.