Out-of-bounds Write Affecting linux-4.19 package, versions <4.19.232-1~deb9u1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.07% (36th percentile)

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  • Snyk IDSNYK-DEBIAN9-LINUX419-2420576
  • published18 Nov 2021
  • disclosed17 Nov 2021

Introduced: 17 Nov 2021

CVE-2021-43975  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:9 linux-4.19 to version 4.19.232-1~deb9u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.19 package and not the linux-4.19 package as distributed by Debian. See How to fix? for Debian:9 relevant fixed versions and status.

In the Linux kernel through 5.15.2, hw_atl_utils_fw_rpc_wait in drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_utils.c allows an attacker (who can introduce a crafted device) to trigger an out-of-bounds write via a crafted length value.

CVSS Base Scores

version 3.1