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CVE-2018-12233

kernel: Memory corruption in JFS setattr

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Severity

Moderate

Red Hat Product Security

4.4

CVSS 3.0

Review impact separately from score.

Published · June 1, 2018

Updated · June 28, 2026

Description

A memory corruption issue was found in the Linux kernel with a JFS file system. Two setxattr calls to the same file with different extended attribute names would trigger an overflow and a memory corruption.

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 3.0 · 4.4
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer