Detections
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RHEL 9 : kpatch-patch (RHSA-2024:0850)
high Nessus Plugin ID 190597
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Synopsis
The remote Red Hat host is missing a security update for kpatch-patch.Description
The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2024:0850 advisory.This is a kernel live patch module which is automatically loaded by the RPM post-install script to modify the code of a running kernel.
Security Fix(es):
* kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination (CVE-2024-0646)
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.
Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Update the RHEL kpatch-patch package based on the guidance in RHSA-2024:0850.See Also
http://www.nessus.org/u?73e751b8
https://access.redhat.com/security/updates/classification/#important
Plugin Details
Severity: High
ID: 190597
File Name: redhat-RHSA-2024-0850.nasl
Version: 1.3
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 2/15/2024
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5
Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2024-0646
CVSS v3
Risk Factor: High
Base Score: 7.8
Temporal Score: 6.8
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:rhel_eus:9.2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-284_25_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-284_40_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-284_48_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-5_14_0-284_30_1
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Ease: No known exploits are available
Patch Publication Date: 2/15/2024
Vulnerability Publication Date: 1/17/2024
Reference Information
CVE: CVE-2024-0646