SB2024061209 - Red Hat Enterprise Linux 8 update for kernel

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Main Vulnerability Database SB2024061209

SB2024061209 - Red Hat Enterprise Linux 8 update for kernel

Published: June 12, 2024

Security Bulletin ID SB2024061209
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) Race condition (CVE-ID: CVE-2023-4155)

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

The vulnerability exists due to a race condition in KVM AMD Secure Encrypted Virtualization (SEV) in Linux kernel. A local user can exploit the race and escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2023-51779)

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

The vulnerability exists due to a use-after-free error when handling bt_sock_ioctl in the Bluetooth subsystem. A local user can trigger a use-after-free error and execute arbitrary code on the system.


3) Use-after-free (CVE-ID: CVE-2023-52530)

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

The vulnerability exists due to a use-after-free error within the ieee80211_key_link() function in net/mac80211/key.c, within the ieee80211_add_key() function in net/mac80211/cfg.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References