CVE-2026-23153
MEDIUMCVSS Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
3Description
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.
Analysis
A race condition in the Linux kernel's FireWire core transaction handling allows local attackers with low privileges to cause a denial of service by triggering concurrent processing of AR response and AT request completion events without proper synchronization. The vulnerability stems from transaction list enumeration occurring outside the card lock scope, enabling memory corruption or system crashes when exploited. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.
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