NULL Pointer Dereference Affecting linux-4.9 package, versions <4.9.210-1+deb9u1~deb8u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.46% (37th percentile)

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  • Snyk IDSNYK-DEBIAN8-LINUX49-571877
  • published30 Nov 2019
  • disclosed30 Nov 2019

Introduced: 30 Nov 2019

CVE-2019-19462  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Debian:8 linux-4.9 to version 4.9.210-1+deb9u1~deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.9 package and not the linux-4.9 package as distributed by Debian. See How to fix? for Debian:8 relevant fixed versions and status.

relay_open in kernel/relay.c in the Linux kernel through 5.4.1 allows local users to cause a denial of service (such as relay blockage) by triggering a NULL alloc_percpu result.

CVSS Base Scores

version 3.1