SB2024092418 - Red Hat Enterprise Linux 8 update for kernel-rt



SB2024092418 - Red Hat Enterprise Linux 8 update for kernel-rt

Published: September 24, 2024

Security Bulletin ID SB2024092418
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2024-36886)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a use-after-free error within the tipc_buf_append() function in net/tipc/msg.c when processing fragmented TIPC messages. A remote attacker can send specially crafted packets to the system, trigger a use-after-free error and execute arbitrary code on the system in the context of the kernel.


2) Information disclosure (CVE-ID: CVE-2024-26993)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to information disclosure within the sysfs_break_active_protection() function in fs/sysfs/file.c. A local user can gain access to sensitive information.


3) Out-of-bounds read (CVE-ID: CVE-2024-41071)

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

The vulnerability exists due to an out-of-bounds read error within the ieee80211_prep_hw_scan() function in net/mac80211/scan.c. A local user can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.