SB2024081636 - openEuler 20.03 LTS SP4 update for kernel



SB2024081636 - openEuler 20.03 LTS SP4 update for kernel

Published: August 16, 2024

Security Bulletin ID SB2024081636
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2024-26883)

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

The vulnerability exists due to a boundary error within the stack_map_alloc() function in kernel/bpf/stackmap.c on a 32-bit platform. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.


2) Improper locking (CVE-ID: CVE-2024-26934)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to improper locking within the interface_authorized_store() function in drivers/usb/core/sysfs.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.