CVE-2026-43232
kernel: net: wan: farsync: Fix use-after-free bugs caused by unfinished tasklets
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Severity
LowRed Hat Product Security
CVSS
Review impact separately from score.
Published · May 6, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's FarSync WAN driver. A race condition can occur during the detachment of a FarSync T-series card, where already freed memory associated with the card is accessed by unfinished tasks. This use-after-free vulnerability could allow a local attacker to cause a denial of service or potentially execute arbitrary code.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CWE-364 · Signal Handler Race Condition