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Medium severity5.5NVD Advisory· Published May 8, 2026· Updated May 15, 2026

CVE-2026-43358

CVE-2026-43358

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.

Affected products

12

Linux/Kernel11 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 10 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.16.4,<6.17
- cpe:2.3:o:linux:linux_kernel:6.17:-:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*
btrfs/btrfsllm-fuzzy

Patches

Vulnerability mechanics

References

3

News mentions

0

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