CVE-2023-52569 (GCVE-0-2023-52569)

Vulnerability from cvelistv5 – Published: 2024-03-02 21:59 – Updated: 2026-05-23 15:26
VLAI
Title
btrfs: remove BUG() after failure to insert delayed dir index item
Summary
In the Linux kernel, the following vulnerability has been resolved: btrfs: remove BUG() after failure to insert delayed dir index item Instead of calling BUG() when we fail to insert a delayed dir index item into the delayed node's tree, we can just release all the resources we have allocated/acquired before and return the error to the caller. This is fine because all existing call chains undo anything they have done before calling btrfs_insert_delayed_dir_index() or BUG_ON (when creating pending snapshots in the transaction commit path). So remove the BUG() call and do proper error handling. This relates to a syzbot report linked below, but does not fix it because it only prevents hitting a BUG(), it does not fix the issue where somehow we attempt to use twice the same index number for different index items.
Severity
No CVSS data available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 9b378f6ad48cfa195ed868db9123c09ee7ec5ea2 , < d10fd53393cc5de4b9cf1a4b8f9984f0a037aa51 (git)
Affected: 9b378f6ad48cfa195ed868db9123c09ee7ec5ea2 , < 2c58c3931ede7cd08cbecf1f1a4acaf0a04a41a9 (git)
Affected: 79cf35e16dd5b8639909d4df957503b84de30406 (git)
Affected: 5441532ffc9c8c9f7cab0f8722e6d60a0b5e1259 (git)
Affected: 5.15.149 , < 5.16 (semver)
Affected: 6.4.12 , < 6.5 (semver)
Create a notification for this product.
Linux Linux Affected: 6.5
Unaffected: 0 , < 6.5 (semver)
Unaffected: 6.5.6 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
Create a notification for this product.
Show details on NVD website
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  • 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.


Detection rules are retrieved from Rulezet.