Detections
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RHEL 8 : kpatch-patch (RHSA-2024:0876)
high Nessus Plugin ID 190750
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Synopsis
The remote Red Hat host is missing one or more security updates for kpatch-patch.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:0876 advisory.- kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)
- kernel: use-after-free in sch_qfq network scheduler (CVE-2023-4921)
- kernel: IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)
- kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination (CVE-2024-0646)
Note that Nessus has not tested for these issues 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-2024:0876.See Also
http://www.nessus.org/u?59664995
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2237757
https://bugzilla.redhat.com/show_bug.cgi?id=2244723
https://bugzilla.redhat.com/show_bug.cgi?id=2245514
Plugin Details
Severity: High
ID: 190750
File Name: redhat-RHSA-2024-0876.nasl
Version: 1.1
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 2/20/2024
Updated: 4/29/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 6.7
CVSS v2
Risk Factor: Medium
Base Score: 6.8
Temporal Score: 5.3
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: 7
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:P/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-513_11_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-513_5_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-513_9_1
Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 2/20/2024
Vulnerability Publication Date: 9/6/2023
Reference Information
CVE: CVE-2023-45871, CVE-2023-4623, CVE-2023-4921, CVE-2024-0646