CVE-2025-40344Expired Pointer Dereference in Linux

Severity
5.2MEDIUM
No vector
EPSS
0.0%
top 90.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 9
Latest updateFeb 24

Description

In the Linux kernel, the following vulnerability has been resolved: ASoC: Intel: avs: Disable periods-elapsed work when closing PCM avs_dai_fe_shutdown() handles the shutdown procedure for HOST HDAudio stream while period-elapsed work services its IRQs. As the former frees the DAI's private context, these two operations shall be synchronized to avoid slab-use-after-free or worse errors.

Affected Packages5 packages

Linuxlinux/linux_kernel6.12.06.12.58+1
Debianlinux/linux_kernel< 6.12.63-1+1
Ubuntulinux/linux_kernel< 6.17.0-14.14
CVEListV5linux/linux0dbb186c3510cad4e9f443e801bf2e6ab5770c00ca6d2b7aca778afbf8c0c4b330d10cb228c14052+4
debiandebian/linux< linux 6.17.8-1 (forky)

🔴Vulnerability Details

8
OSV
linux-azure vulnerabilities2026-02-24
OSV
linux-oem-6.17 vulnerabilities2026-02-17
OSV
linux-aws, linux-oracle vulnerabilities2026-02-17
OSV
linux-gcp vulnerabilities2026-02-12
OSV
linux, linux-raspi, linux-realtime vulnerabilities2026-02-12

📋Vendor Advisories

6
Ubuntu
Linux kernel (Azure) vulnerabilities2026-02-24
Ubuntu
Linux kernel (OEM) vulnerabilities2026-02-17
Ubuntu
Linux kernel (GCP) vulnerabilities2026-02-12
Ubuntu
Linux kernel vulnerabilities2026-02-12
Red Hat
kernel: ASoC: Intel: avs: Disable periods-elapsed work when closing PCM2025-12-09

🕵️Threat Intelligence

1
Wiz
CVE-2025-40344 Impact, Exploitability, and Mitigation Steps | Wiz