SB2023042545 - SUSE update for the Linux Kernel (Live Patch 32 for SLE 12 SP5) 

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Main Vulnerability Database SB2023042545

SB2023042545 - SUSE update for the Linux Kernel (Live Patch 32 for SLE 12 SP5)

Published: April 25, 2023

Security Bulletin ID SB2023042545
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Heap-based buffer overflow (CVE-ID: CVE-2022-2991)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the LightNVM subsystem in Linux kernel. A local user can execute arbitrary code on the system with kernel privileges.


2) Use-after-free (CVE-ID: CVE-2023-0590)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the qdisc_graft() function in net/sched/sch_api.c. A local user can trigger a use-after-free error and crash the kernel.


3) Use-after-free (CVE-ID: CVE-2023-1118)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error in the Linux kernel integrated infrared receiver/transceiver driver "drivers/media/rc/ene_ir.c" when detaching rc device. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.



Remediation

Install update from vendor's website.

References