CVE-2026-23153

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxb5725cfa4120a4d234ab112aad151d731531d093 < b038874e31fc3caa0b0d5abd259dd54b918ad4a1affected
LinuxLinuxb5725cfa4120a4d234ab112aad151d731531d093 < 20e01bba2ae4898ce65cdcacd1bd6bec5111abd9affected
LinuxLinux6.18affected
LinuxLinux0 < 6.18unaffected
LinuxLinux6.18.9 <= 6.18.*unaffected
LinuxLinux6.19 <= *unaffected

Weaknesses

References