PT-2026-35023 · Linux · Linux Kernel
CVE-2026-31671
·
Published
2026-04-06
·
Updated
2026-07-31
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
An information leak exists in the
build report() function within xfrm user. The struct xfrm user report contains a u8 proto field followed by a struct xfrm selector, resulting in three bytes of padding. This padding is not zeroed before being copied to userspace, potentially exposing sensitive data.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Memory Leak
Use of Uninitialized Resource
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Related Identifiers
Affected Products
Linux Kernel