CVE-2023-53672

Description

In the Linux kernel, the following vulnerability has been resolved:btrfs: output extra debug info if we failed to find an inline backref[BUG]Syzbot reported several warning triggered insidelookup_inline_extent_backref().[CAUSE]As usual, the reproducer doesnt reliably trigger locally here, but atleast we know the WARN_ON() is triggered when an inline backref can notbe found, and it can only be triggered when @insert is true. (I.e.inserting a new inline backref, which means the backref should alreadyexist)[ENHANCEMENT]After the WARN_ON(), dump all the parameters and the extent treeleaf to help debug.

Risk Information

Base Score

5.5

MODERATE

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Score

Exploitation Probability

0.011

Associated Vulnerability

No records found

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234