CVE-2024-47701
kernel: ext4: avoid OOB when system.data xattr changes underneath the filesystem
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 21, 2024
Updated · August 5, 2026
Description
An out-of-bounds access flaw was found in the Linux kernel's ext4 file system. This issue occurs when e_value_offs is changed underneath the filesystem by some change in the block device and looking up an entry in an inlined directory. This could allow a local user to crash the system or escalate their privileges on the system.
Statement
Triggering this issue is complex and the security impact is limited, so this issue is rated between Moderate and Important.
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
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 6.4CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE-416 · Use After Free