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redhatRedHatRHSA-2024:5520
HistoryAug 19, 2024 - 12:59 a.m.

(RHSA-2024:5520) Important: kpatch-patch-4_18_0-477_43_1 security update

2024-08-1900:59:30
access.redhat.com
5
security update
kpatch command line
kernel-4.18.0-477.43.1.el8_8
use-after-free
remote code execution
network route management
cvss score
cve page

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.2

Confidence

Low

This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a running kernel. This patch module is targeted for kernel-4.18.0-477.43.1.el8_8.

Security Fix(es):

  • kernel: TIPC message reassembly use-after-free remote code execution vulnerability (CVE-2024-36886)

  • kernel: net: UAF in network route management (CVE-2024-36971)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS3

8.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

8.2

Confidence

Low