SB2025072301 - Red Hat Enterprise Linux 8 update for kernel

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Main Vulnerability Database SB2025072301

SB2025072301 - Red Hat Enterprise Linux 8 update for kernel

Published: July 23, 2025

Security Bulletin ID SB2025072301
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) Out-of-bounds read (CVE-ID: CVE-2022-49395)

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 write_ldt_entry() function in arch/x86/um/ldt.c. A local user can perform a denial of service (DoS) attack.


2) Buffer overflow (CVE-ID: CVE-2022-49058)

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

The vulnerability exists due to memory corruption within the parse_mf_symlink() function in fs/cifs/link.c. A local user can escalate privileges on the system.


3) Use-after-free (CVE-ID: CVE-2025-22004)

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

The vulnerability exists due to a use-after-free error within the lec_send() function in net/atm/lec.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.

References