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LIN6-14656 : Security Advisory - linux - CVE-2018-12233

Created: Jun 15, 2018    Updated: Mar 19, 2019
Resolved Date: Nov 18, 2018
Found In Version: 6.0.0.36
Fix Version: 6.0.0.38
Severity: Standard
Applicable for: Wind River Linux 6
Component/s: Kernel

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.

https://nvd.nist.gov/vuln/detail/CVE-2018-12233

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