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Vulnerabilities
Vulnerability

CVE-2026-45974

Reference data from vuln.mlab.sh, coverage from our own index.

CVSS
5.5 Medium
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
0.13%
Risk score
1.5
Published
2026-05-27
Status
Published

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix invalid leaf access in btrfs_quota_enable() if ref key not found If btrfs_search_slot_for_read() returns 1, it means we did not find any key greater than or equals to the key we asked for, meaning we have reached the end of the tree and therefore the path is not valid. If this happens we need to break out of the loop and stop, instead of continuing and accessing an invalid path. A flaw was found in the Linux kernel's btrfs filesystem. The `btrfs_quota_enable()` function contains a logic error where it attempts to access an invalid memory location if a specific key is not found during a search operation. This incorrect handling of search results can lead to invalid leaf access, potentially causing system instability or a denial of service (DoS) for affected systems.

Weaknesses

CWE-390

Coverage 6

Advisories and references