CVE-2024-46751
kernel: btrfs: don't BUG_ON() when 0 reference count at btrfs_lookup_extent_info()
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 18, 2024
Updated · September 13, 2026
Description
A flaw was found in the Linux kernel's Btrfs filesystem. A local user could trigger a zero reference count in the btrfs_lookup_extent_info() function, which would lead to a system crash. This vulnerability could result in a Denial of Service (DoS) for the affected system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-617 · Reachable Assertion