Access Restriction Bypass Affecting kernel-uek-debug package, versions <0:2.6.32-400.29.2.el5uek


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating

    Threat Intelligence

    EPSS
    0.04% (11th percentile)

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  • Snyk ID SNYK-ORACLE5-KERNELUEKDEBUG-2476889
  • published 10 Apr 2022
  • disclosed 22 Mar 2013

How to fix?

Upgrade Oracle:5 kernel-uek-debug to version 0:2.6.32-400.29.2.el5uek or higher.
This issue was patched in ELSA-2013-2537.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug package and not the kernel-uek-debug package as distributed by Oracle. See How to fix? for Oracle:5 relevant fixed versions and status.

The flush_signal_handlers function in kernel/signal.c in the Linux kernel before 3.8.4 preserves the value of the sa_restorer field across an exec operation, which makes it easier for local users to bypass the ASLR protection mechanism via a crafted application containing a sigaction system call.

CVSS Scores

version 3.1
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NVD

5.1 medium
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Red Hat

4 medium