CVE-2026-43358 (GCVE-0-2026-43358)
Vulnerability from cvelistv5 – Published: 2026-05-08 14:21 – Updated: 2026-05-08 14:21
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 ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
ad580dfa388fabb52af033e3f8cc5d04be985e54 , < 5e1ab71f74a1e61f1254dff128a764fdebaec0b8
(git)
Affected: ad580dfa388fabb52af033e3f8cc5d04be985e54 , < 35b0c8768e848e1b7e32052db36b5fa59b6a33a1 (git) Affected: ad580dfa388fabb52af033e3f8cc5d04be985e54 , < b2840e33127ce0eea880504b7f133e780f567a9b (git) Affected: 10ec363cfefeeb77fda4c1ac20a531f21de45264 (git) |
||
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"versions": [
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{
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}
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"providerMetadata": {
"dateUpdated": "2026-05-08T14:21:13.719Z",
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"url": "https://git.kernel.org/stable/c/b2840e33127ce0eea880504b7f133e780f567a9b"
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],
"title": "btrfs: add missing RCU unlock in error path in try_release_subpage_extent_buffer()",
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"cveId": "CVE-2026-43358",
"datePublished": "2026-05-08T14:21:13.719Z",
"dateReserved": "2026-05-01T14:12:56.005Z",
"dateUpdated": "2026-05-08T14:21:13.719Z",
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"date": "2026-05-09",
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- 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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