CVE-2026-23153
kernel: firewire: core: fix race condition against transaction list
Severity
LowRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · February 14, 2026
Updated · June 28, 2026
Description
In the Linux kernel, the following vulnerability has been resolved:
firewire: core: fix race condition against transaction list
The list of transaction is enumerated without acquiring card lock when processing AR response event. This causes a race condition bug when processing AT request completion event concurrently.
This commit fixes the bug by put timer start for split transaction expiration into the scope of lock. The value of jiffies in card structure is referred before acquiring the lock.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-366 · Race Condition within a Thread