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LIN9-7698 : Security Advisory - linux - CVE-2018-18690

Created: Oct 31, 2018    Updated: Dec 13, 2018
Resolved Date: Nov 12, 2018
Found In Version: 9.0.0.18
Fix Version: 9.0.0.19
Severity: Standard
Applicable for: Wind River Linux 9
Component/s: Kernel

Description

In the Linux kernel before 4.17, a local attacker able to set attributes on an xfs filesystem could make this filesystem non-operational until the next mount by triggering an unchecked error condition during an xfs attribute change, because xfs_attr_shortform_addname in fs/xfs/libxfs/xfs_attr.c mishandles ATTR_REPLACE operations with conversion of an attr from short to long form.

https://nvd.nist.gov/vuln/detail/CVE-2018-18690

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