SB2025110616 - Red Hat Enterprise Linux 9 update for kernel



SB2025110616 - Red Hat Enterprise Linux 9 update for kernel

Published: November 6, 2025

Security Bulletin ID SB2025110616
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2024-46679)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper input validation within the speed_show() function in net/core/net-sysfs.c, within the __ethtool_get_link_ksettings() function in net/core/ethtool.c. A local user can perform a denial of service (DoS) attack.


2) Input validation error (CVE-ID: CVE-2025-39730)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper input validation within the nfs_fh_to_dentry() function in fs/nfs/export.c. A local user can perform a denial of service (DoS) attack.


3) Use-after-free (CVE-ID: CVE-2023-53178)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


4) Input validation error (CVE-ID: CVE-2023-53331)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to improper input validation within the persistent_ram_post_init() function in fs/pstore/ram_core.c. A local user can perform a denial of service (DoS) attack.


5) Use-after-free (CVE-ID: CVE-2022-50367)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

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


6) Use-after-free (CVE-ID: CVE-2023-53401)

CWE-ID: CWE-416 - Use After Free

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to a use-after-free error within the mod_objcg_state(), consume_obj_stock(), drain_obj_stock() and refill_obj_stock() functions in mm/memcontrol.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.