Riskcovery

CVE-2026-43358

btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer()

State
Published
Severity
Not scored
Published
May 8, 2026
Updated
May 23, 2026
Reserved
May 1, 2026

Read the record on cve.org

Description

In the Linux kernel, the following vulnerability has been resolved:

btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer()

Call rcu_read_lock() before exiting the loop in try_release_subpage_extent_buffer() because there is a rcu_read_unlock() call past the loop.

This has been detected by the Clang thread-safety analyzer.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • ad580dfa388fabb52af033e3f8cc5d04be985e54 to before 5e1ab71f74a1e61f1254dff128a764fdebaec0b8Affected
  • ad580dfa388fabb52af033e3f8cc5d04be985e54 to before 35b0c8768e848e1b7e32052db36b5fa59b6a33a1Affected
  • ad580dfa388fabb52af033e3f8cc5d04be985e54 to before b2840e33127ce0eea880504b7f133e780f567a9bAffected
  • 10ec363cfefeeb77fda4c1ac20a531f21de45264Affected
  • 6.16.4 to before 6.17Affected
LinuxLinux
  • 6.17Affected
  • before 6.17Not affected
  • 6.18.19 through 6.18.*Not affected
  • 6.19.9 through 6.19.*Not affected
  • 7.0 and laterNot affected

References

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