CVE-2017-1000371 Affecting kernel-debug package, versions <0:2.6.32-754.29.1.el6


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.06% (29th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELDEBUG-2552811
  • published10 Apr 2022
  • disclosed19 Jun 2017

Introduced: 19 Jun 2017

CVE-2017-1000371  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-debug to version 0:2.6.32-754.29.1.el6 or higher.
This issue was patched in ELSA-2020-1524.

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.

The offset2lib patch as used by the Linux Kernel contains a vulnerability, if RLIMIT_STACK is set to RLIM_INFINITY and 1 Gigabyte of memory is allocated (the maximum under the 1/4 restriction) then the stack will be grown down to 0x80000000, and as the PIE binary is mapped above 0x80000000 the minimum distance between the end of the PIE binary's read-write segment and the start of the stack becomes small enough that the stack guard page can be jumped over by an attacker. This affects Linux Kernel version 4.11.5. This is a different issue than CVE-2017-1000370 and CVE-2017-1000365. This issue appears to be limited to i386 based systems.

CVSS Scores

version 3.1