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NULL Pointer Dereference Affecting kernel-debug-devel package, versions <0:2.6.32-754.30.2.el6

Severity

 Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.45% (36th percentile)

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  • Snyk IDSNYK-ORACLE6-KERNELDEBUGDEVEL-2556865
  • published10 Apr 2022
  • disclosed12 Oct 2017
Report a new vulnerability Found a mistake?

Introduced: 12 Oct 2017

CVE-2017-12192  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Oracle:6 kernel-debug-devel to version 0:2.6.32-754.30.2.el6 or higher.
This issue was patched in ELSA-2020-2430.

NVD Description

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

The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.

References