Access of Resource Using Incompatible Type ('Type Confusion') Affecting kernel-livepatch-5_3_18-150300_59_90-default package, versions <14-150300.2.2


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-SLES153-KERNELLIVEPATCH53181503005990DEFAULT-5903971
  • published16 Sept 2023
  • disclosed14 Sept 2023

Introduced: 14 Sep 2023

CVE-2023-1077  (opens in a new tab)
CWE-843  (opens in a new tab)

How to fix?

Upgrade SLES:15.3 kernel-livepatch-5_3_18-150300_59_90-default to version 14-150300.2.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-5_3_18-150300_59_90-default package and not the kernel-livepatch-5_3_18-150300_59_90-default package as distributed by SLES. See How to fix? for SLES:15.3 relevant fixed versions and status.

In the Linux kernel, pick_next_rt_entity() may return a type confused entry, not detected by the BUG_ON condition, as the confused entry will not be NULL, but list_head.The buggy error condition would lead to a type confused entry with the list head,which would then be used as a type confused sched_rt_entity,causing memory corruption.

CVSS Scores

version 3.1