CVE-2023-1390 Affecting kernel-default package, versions <5.3.18-150300.59.118.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.38% (74th percentile)

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  • Snyk IDSNYK-SLES153-KERNELDEFAULT-5418576
  • published12 Apr 2023
  • disclosed6 Jul 2023

Introduced: 12 Apr 2023

CVE-2023-1390  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-default to version 5.3.18-150300.59.118.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default package and not the kernel-default package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

A remote denial of service vulnerability was found in the Linux kernel’s TIPC kernel module. The while loop in tipc_link_xmit() hits an unknown state while attempting to parse SKBs, which are not in the queue. Sending two small UDP packets to a system with a UDP bearer results in the CPU utilization for the system to instantly spike to 100%, causing a denial of service condition.

CVSS Scores

version 3.1