Red Hat Enterprise Linux 9.4 update for kpatch-patch

1) Division by zero

EUVDB-ID: #VU101111

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-2024-53122

CWE-ID: CWE-369 - Divide By Zero

Exploit availability: No

Description

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

The vulnerability exists due to a division by zero error within the mptcp_rcv_space_adjust() function in net/mptcp/protocol.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

kpatch-patch-5_14_0-427_44_1 (Red Hat package): before 1-1.el9_4

kpatch-patch-5_14_0-427_31_1 (Red Hat package): before 1-3.el9_4

kpatch-patch-5_14_0-427_13_1 (Red Hat package): before 1-5.el9_4

CPE2.3

• cpe:2.3:a:red_hat:kpatch-patch-5_14_0-427_44_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:kpatch-patch-5_14_0-427_31_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*
• cpe:2.3:a:red_hat:kpatch-patch-5_14_0-427_13_1_redhat_package:*:*:*:*:*:red_hat_enterprise_linux:*:*

External links

https://access.redhat.com/errata/RHSA-2025:0052

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.