SB2024062613 - Red Hat Enterprise Linux 8 update for kernel

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Main Vulnerability Database SB2024062613

SB2024062613 - Red Hat Enterprise Linux 8 update for kernel

Published: June 26, 2024

Security Bulletin ID SB2024062613
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) Use-after-free (CVE-ID: CVE-2022-1048)

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to a use-after-free error in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. A local user can execute arbitrary code with elevated privileges and perform a denial-of-service attack.


2) Improper access control (CVE-ID: CVE-2024-26642)

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

The vulnerability exists due to improper access restrictions within the nf_tables_newset() function in net/netfilter/nf_tables_api.c. A local user can set arbitrary timeouts, which can result in a denial of service condition.


3) 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.


Remediation

Install update from vendor's website.

References