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CVE-2025-40344

10
FAUCET Score

CVE-2025-40344 addresses a use-after-free vulnerability in the Linux kernel's ASoC Intel AVS audio driver. Specifically, the issue arises from a lack of synchronization between the shutdown procedure for the HDAudio stream and the period-elapsed work that services its interrupts, potentially leading to system instability or crashes. While no CVSS score or specific affected products are listed, the vulnerability is rated with a FAUCET Risk Score of 7/100, indicating a low but present risk. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.11.9, < 6.12CPE match
cpe:2.3:a:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS data has not been published for this CVE.

Exploit Intelligence

EPSS Score
0.19%
Probability of exploitation in next 30 days
EPSS Percentile
9.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15

Social Chatter

No social media mentions found for this CVE.

Media Mentions

No media coverage found for this CVE.

Remediation

Patch Available

Vendor Patches (4)

ubuntupatch availablevia ubuntu_usn
Product: linux-azure (questing)Fixed in: 6.17.0-1008.8
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 10Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 9Fixed in: kernel-rt

Vendor Advisories (2)

ubuntuUSN-8029-3

Linux kernel (Azure) vulnerabilities

Feb 24, 2026
redhatCVE-2025-40344Moderate

kernel: ASoC: Intel: avs: Disable periods-elapsed work when closing PCM

Dec 9, 2025

References

git.kernel.org / stable/c/845f716dc5f354c719f6fda35048b6c2eca99331
git.kernel.org / stable/c/b41fca4aa60be896ba8a81b57aac5dcc6eee66c0
git.kernel.org / stable/c/ca6d2b7aca778afbf8c0c4b330d10cb228c14052