Security Advisory

CVE-2018-12233

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2018-06-12 12:00:00

Last updated 2024-08-05 08:30:59

Assigner mitre

CVSS score not scored

State PUBLISHED

Description

In the ea_get function in fs/jfs/xattr.c in the Linux kernel through 4.17.1, a memory corruption bug in JFS can be triggered by calling setxattr twice with two different extended attribute names on the same file. This vulnerability can be triggered by an unprivileged user with the ability to create files and execute programs. A kmalloc call is incorrect, leading to slab-out-of-bounds in jfs_xattr.

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