PT-2025-39242 · Linux+4 · Linux Kernel+4
Published
2025-04-30
·
Updated
2026-04-20
·
CVE-2025-39890
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
The Linux kernel contains a memory leak within the
ath12k service ready ext event() function. Specifically, the svc rdy ext.mac phy caps memory is not freed in failure scenarios, leading to a memory leak. The issue is observed through kmemleak analysis, with a trace indicating the unreferenced object and a backtrace involving functions such as ath12k wmi mac phy caps parse(), ath12k wmi tlv iter(), ath12k wmi svc rdy ext parse(), ath12k service ready ext event.isra.0(), ath12k wmi op rx(), ath12k htc rx completion handler(), ath12k ce recv process cb(), ath12k pci ce workqueue(), process one work(), bh worker(), tasklet action(), handle softirqs(), irq exit rcu(), and irq exit rcu().Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Memory Leak
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linuxmint
Linux Kernel
Suse
Ubuntu