Riskcovery

CVE-2026-74370

liveupdate: fix TOCTOU race in luo_session_retrieve()

State
Published
Severity
Not scored
Published
Aug 15, 2026
Updated
Aug 17, 2026
Reserved
Aug 15, 2026

Read the record on cve.org

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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • 0153094d03df5a2e834a19c59b255649a258ae46 to before d944170607b872a1f93713c555ad3f0efde3a9b8Affected
  • 0153094d03df5a2e834a19c59b255649a258ae46 to before d3ae9e7fddb4036f50003d7fa1ef52801fdb961bAffected
LinuxLinux
  • 6.19Affected
  • before 6.19Not affected
  • 7.1.5 through 7.1.*Not affected
  • 7.2 and laterNot affected

References

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