CVE-2026-43358

Summary

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxad580dfa388fabb52af033e3f8cc5d04be985e54 < 5e1ab71f74a1e61f1254dff128a764fdebaec0b8affected
LinuxLinuxad580dfa388fabb52af033e3f8cc5d04be985e54 < 35b0c8768e848e1b7e32052db36b5fa59b6a33a1affected
LinuxLinuxad580dfa388fabb52af033e3f8cc5d04be985e54 < b2840e33127ce0eea880504b7f133e780f567a9baffected
LinuxLinux10ec363cfefeeb77fda4c1ac20a531f21de45264affected
LinuxLinux6.16.4 < 6.17affected
LinuxLinux6.17affected
LinuxLinux0 < 6.17unaffected
LinuxLinux6.18.19 <= 6.18.*unaffected
LinuxLinux6.19.9 <= 6.19.*unaffected
LinuxLinux7.0 <= *unaffected

Weaknesses

References