Red Hat Enterprise Linux 9 update for kernel

1) Improper locking

EUVDB-ID: #VU108478

Risk: Low

CVSSv4.0: 4.3 [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]

CVE-ID: CVE-2023-53107

CWE-ID: CWE-667 - Improper Locking

Exploit availability: No

Description

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

The vulnerability exists due to improper locking within the veth_convert_skb_to_xdp_buff() function in drivers/net/veth.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Red Hat Enterprise Linux Server - AUS: 9.2

Red Hat Enterprise Linux for IBM z Systems - Extended Update Support: 9.2

Red Hat Enterprise Linux for Power, little endian - Extended Update Support: 9.2

Red Hat Enterprise Linux for ARM 64 - Extended Update Support: 9.2

Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions: 9.2

Red Hat Enterprise Linux for x86_64 - Extended Update Support: 9.2

kernel (Red Hat package): before 5.14.0-284.118.1.el9_2

CPE2.3

• cpe:2.3:o:red_hat:red_hat_enterprise_linux_server_-_aus:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_ibm_z_systems_-_extended_update_support:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_power_little_endian_-_extended_update_support:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_arm_64_-_extended_update_support:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:red_hat_enterprise_linux_server_for_ibm_power_le_-_update_services_for_sap_solutions:9.2:*:*:*:*:*:*:*
• cpe:2.3:o:red_hat:red_hat_enterprise_linux_for_x86_64_-_extended_update_support:9.2:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:kernel_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2025:8133

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.