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CVE-2026-43358

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:df8c9751336c6136a9b17221031bccda92b0bcde9e73f3685492a39f2eb11129
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/btrfs/extent_io.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:78c2d95e5086bd137a4123358a67a751ab339b402c9a7233f5de25662adb12e1 · sha256:00641587c728423c… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/extent_io.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5e1ab71f74a1e61f1254dff128a764fdebaec0b8","status":"affected","version":"ad580dfa388fabb52af033e3f8cc5d04be985e54","versionType":"git"},{"lessThan":"35b0c8768e848e1b7e32052db36b5fa59b6a33a1","status":"affected","version":"ad580dfa388fabb52af033e3f8cc5d04be985e54","versionType":"git"},{"lessThan":"b2840e33127ce0eea880504b7f133e780f567a9b","status":"affected","version":"ad580dfa388fabb52af033e3f…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:78c2d95e5086bd137a4123358a67a751ab339b402c9a7233f5de25662adb12e1 · sha256:00641587c728423c… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/btrfs/extent_io.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.19","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.9","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:78c2d95e5086bd137a4123358a67a751ab339b402c9a7233f5de25662adb12e1 · sha256:00641587c728423c… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/btrfs/extent_io.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5e1ab71f74a1e61f1254dff128a764fdebaec0b8","status":"affected","version":"ad580dfa388fabb52af033e3f8cc5d04be985e54","versionType":"git"},{"lessThan":"35b0c8768e848e1b7e32052db36b5fa59b6a33a1","status":"affected","version":"ad580dfa388fabb52af033e3f8cc5d04be985e54","versionType":"git"},{"lessThan":"b2840e33127ce0eea880504b7f133e780f567a9b","status":"affected","version":"ad580dfa388fabb52af033e3f…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:78c2d95e5086bd137a4123358a67a751ab339b402c9a7233f5de25662adb12e1 · sha256:00641587c728423c… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/35b0c8768e848e1b7e32052db36b5fa59b6a33a1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78c2d95e5086bd137a4123358a67a751ab339b402c9a7233f5de25662adb12e1 · sha256:00641587c728423c… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/5e1ab71f74a1e61f1254dff128a764fdebaec0b8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78c2d95e5086bd137a4123358a67a751ab339b402c9a7233f5de25662adb12e1 · sha256:00641587c728423c… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/b2840e33127ce0eea880504b7f133e780f567a9b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:78c2d95e5086bd137a4123358a67a751ab339b402c9a7233f5de25662adb12e1 · sha256:00641587c728423c… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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