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Execution with Unnecessary Privileges Affecting kernel-debug package, versions <0:2.6.32-754.2.1.el6

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELDEBUG-2523186
  • published10 Apr 2022
  • disclosed10 Jul 2018
Report a new vulnerability Found a mistake?

Introduced: 10 Jul 2018

CVE-2018-10872  (opens in a new tab)
CWE-250  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-debug to version 0:2.6.32-754.2.1.el6 or higher.
This issue was patched in ELSA-2018-2164.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug package and not the kernel-debug package as distributed by Oracle. See How to fix? for Oracle:6 relevant fixed versions and status.

A flaw was found in the way the Linux kernel handled exceptions delivered after a stack switch operation via Mov SS or Pop SS instructions. During the stack switch operation, processor does not deliver interrupts and exceptions, they are delivered once the first instruction after the stack switch is executed. An unprivileged system user could use this flaw to crash the system kernel resulting in DoS. This CVE-2018-10872 was assigned due to regression of CVE-2018-8897 in Red Hat Enterprise Linux 6.10 GA kernel. No other versions are affected by this CVE.