CVE-2026-74370
Unknown
Description
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.
SeverityUnknown
CVSS—
Exploit probability10. percentile0.2%
Product
Linux
PublishedAug 15, 2026
First seenAug 15, 2026
How to fix
Update
- Linux Linuxd944170607b872a1f93713c555ad3f0efde3a9b8, d3ae9e7fddb4036f50003d7fa1ef52801fdb961b or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 0153094d03df5a2e834a19c59b255649a258ae46 ≤ v < d944170607b872a1f93713c555ad3f0efde3a9b8, 0153094d03df5a2e834a19c59b255649a258ae46 ≤ v < d3ae9e7fddb4036f50003d7fa1ef52801fdb961b, 6.19 | d944170607b872a1f93713c555ad3f0efde3a9b8, d3ae9e7fddb4036f50003d7fa1ef52801fdb961b |
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