Out-of-bounds Write Affecting kernel-preempt package, versions <5.3.18-59.40.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-SLES153-KERNELPREEMPT-2650567
  • published14 Apr 2022
  • disclosed19 Jan 2022

Introduced: 19 Jan 2022

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

How to fix?

Upgrade SLES:15.3 kernel-preempt to version 5.3.18-59.40.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-preempt package and not the kernel-preempt package as distributed by SLES. See How to fix? for SLES:15.3 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 Scores

version 3.1