CVE-2026-74370 — liveupdate: fix TOCTOU race in luo_session_retrieve()
In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix TOCTOU race in luo_session_retrieve() Extend the scope of the rwsem_read lock in luo_sessio…
Published: 2026-08-15 · CVSS: Unscored
In the Linux kernel, the following vulnerability has been resolved: liveupdate: fix TOCTOU race in luo_session_retrieve() Extend the scope of the rwsem_read lock in luo_session_retrieve() to overlap with the acquisition of the session mutex. This prevents a concurrent thread from releasing and freeing the session between the lookup and the mutex lock.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7