PT-2026-35133 · Linux · Linux Kernel

Published 2026-04-25 · Updated 2026-06-15 · CVE-2026-31673

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An issue exists in the af unix module where exact UNIX diag lookups hold a reference to the socket but not to u->path. The unix release sock() function clears u->path under the unix state lock() and drops the path reference after unlocking, which can lead to instability when reading UNIX DIAG VFS data.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Related Identifiers

CVE-2026-31673

ECHO-EBEC-F6F4-A98D

OESA-2026-2310

OESA-2026-2311

OESA-2026-2312

OESA-2026-2313

OESA-2026-2314

SUSE-SU-2026:22108-1

Affected Products

Linux Kernel

References · 284

• https://nvd.nist.gov/vuln/detail/CVE-2026-31476 · Security Note
• https://osv.dev/vulnerability/OESA-2026-2311 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-43049 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31515 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31679 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31448 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31697 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-31673 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2313 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-31773 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31787 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31699 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-31673 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2026-43064 · Security Note
• https://cve.org/CVERecord?id=CVE-2026-31673 · Security Note