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CVE Vulnerability Details :
CVE-2026-43358
PUBLISHED
More InfoOfficial Page
Assigner-Linux
Assigner Org ID-416baaa9-dc9f-4396-8d5f-8c081fb06d67
View Known Exploited Vulnerability (KEV) details
Published At-08 May, 2026 | 14:21
Updated At-11 May, 2026 | 22:23
Rejected At-
▼CVE Numbering Authority (CNA)
btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer()

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
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • fs/btrfs/extent_io.c
Default Status
unaffected
Versions
Affected
  • From ad580dfa388fabb52af033e3f8cc5d04be985e54 before 5e1ab71f74a1e61f1254dff128a764fdebaec0b8 (git)
  • From ad580dfa388fabb52af033e3f8cc5d04be985e54 before 35b0c8768e848e1b7e32052db36b5fa59b6a33a1 (git)
  • From ad580dfa388fabb52af033e3f8cc5d04be985e54 before b2840e33127ce0eea880504b7f133e780f567a9b (git)
  • 10ec363cfefeeb77fda4c1ac20a531f21de45264 (git)
Vendor
Linux Kernel Organization, IncLinux
Product
Linux
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Program Files
  • fs/btrfs/extent_io.c
Default Status
affected
Versions
Affected
  • 6.17
Unaffected
  • From 0 before 6.17 (semver)
  • From 6.18.19 through 6.18.* (semver)
  • From 6.19.9 through 6.19.* (semver)
  • From 7.0 through * (original_commit_for_fix)
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://git.kernel.org/stable/c/5e1ab71f74a1e61f1254dff128a764fdebaec0b8
N/A
https://git.kernel.org/stable/c/35b0c8768e848e1b7e32052db36b5fa59b6a33a1
N/A
https://git.kernel.org/stable/c/b2840e33127ce0eea880504b7f133e780f567a9b
N/A
Hyperlink: https://git.kernel.org/stable/c/5e1ab71f74a1e61f1254dff128a764fdebaec0b8
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/35b0c8768e848e1b7e32052db36b5fa59b6a33a1
Resource: N/A
Hyperlink: https://git.kernel.org/stable/c/b2840e33127ce0eea880504b7f133e780f567a9b
Resource: N/A
Details not found