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CVE-2026-43358 (GCVE-0-2026-43358)

Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-23 16:06
VLAI
Title
btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer()
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.
Severity
5.5 (Medium)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: ad580dfa388fabb52af033e3f8cc5d04be985e54 , < 5e1ab71f74a1e61f1254dff128a764fdebaec0b8 (git)
Affected: ad580dfa388fabb52af033e3f8cc5d04be985e54 , < 35b0c8768e848e1b7e32052db36b5fa59b6a33a1 (git)
Affected: ad580dfa388fabb52af033e3f8cc5d04be985e54 , < b2840e33127ce0eea880504b7f133e780f567a9b (git)
Affected: 10ec363cfefeeb77fda4c1ac20a531f21de45264 (git)
Affected: 6.16.4 , < 6.17 (semver)
guessed Create a notification for this product.
Linux Linux Affected: 6.17
Unaffected: 0 , < 6.17 (semver)
Unaffected: 6.18.19 , ≤ 6.18.* (semver)
Unaffected: 6.19.9 , ≤ 6.19.* (semver)
Unaffected: 7.0 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website
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}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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