CVE-2026-74370
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 0153094d03df5a2e834a19c59b255649a258ae46 < d944170607b872a1f93713c555ad3f0efde3a9b8 | affected |
| Linux | Linux | 0153094d03df5a2e834a19c59b255649a258ae46 < d3ae9e7fddb4036f50003d7fa1ef52801fdb961b | affected |
| Linux | Linux | 6.19 | affected |
| Linux | Linux | 0 < 6.19 | unaffected |
| Linux | Linux | 7.1.5 <= 7.1.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/d944170607b872a1f93713c555ad3f0efde3a9b8
- https://git.kernel.org/stable/c/d3ae9e7fddb4036f50003d7fa1ef52801fdb961b
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