CVE-2026-31391Improper Update of Reference Count in Linux

Severity
5.3MEDIUM
No vector
EPSS
0.0%
top 90.94%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedApr 3

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix OOM ->tfm_count leak If memory allocation fails, decrement ->tfm_count to avoid blocking future reads.

Affected Packages3 packages

Debianlinux/linux_kernel< 6.19.10-1
CVEListV5linux/linuxda001fb651b00e1deeaf24767dd691ae8152a4f566ee9c1c3575b5d6afc340faca00fd40ed5b7ad9+6
debiandebian/linux< linux 6.19.10-1 (forky)

🔴Vulnerability Details

2
GHSA
GHSA-8v35-jwfj-qhmg: In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix OOM ->tfm_count leak If memory allocation fails, dec2026-04-03
OSV
CVE-2026-31391: In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-sha204a - Fix OOM ->tfm_count leak If memory allocation fails, decre2026-04-03

📋Vendor Advisories

2
Red Hat
kernel: crypto: atmel-sha204a - Fix OOM ->tfm_count leak2026-04-03
Debian
CVE-2026-31391: linux - In the Linux kernel, the following vulnerability has been resolved: crypto: atm...2026

🕵️Threat Intelligence

1
Wiz
CVE-2026-31391 Impact, Exploitability, and Mitigation Steps | Wiz