RHEL 8 : kpatch-patch (RHSA-2024:1278)

high Nessus Plugin ID 191951

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-2024:1278 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)

* 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: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)

* kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)

* kernel: net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead (CVE-2023-3611)

* kernel: nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)

* kernel: UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)

* kernel: out-of-bounds write in qfq_change_class function (CVE-2023-31436)

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 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-2024:1278.

See Also

http://www.nessus.org/u?0dcc4332

https://access.redhat.com/security/updates/classification/#important

https://bugzilla.redhat.com/show_bug.cgi?id=2192671

https://bugzilla.redhat.com/show_bug.cgi?id=2213260

https://bugzilla.redhat.com/show_bug.cgi?id=2220892

https://bugzilla.redhat.com/show_bug.cgi?id=2225191

https://bugzilla.redhat.com/show_bug.cgi?id=2237757

https://bugzilla.redhat.com/show_bug.cgi?id=2241924

https://bugzilla.redhat.com/show_bug.cgi?id=2244723

https://bugzilla.redhat.com/show_bug.cgi?id=2245514

https://bugzilla.redhat.com/show_bug.cgi?id=2253908

https://access.redhat.com/errata/RHSA-2024:1278

Plugin Details

Severity: High

ID: 191951

File Name: redhat-RHSA-2024-1278.nasl

Version: 1.3

Type: local

Agent: unix

Published: 3/12/2024

Updated: 6/19/2024

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: High

Base Score: 9

Temporal Score: 7

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-5178

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/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: p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_116_1, cpe:/o:redhat:rhel_e4s:8.2, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_113_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_120_1, p-cpe:/a:redhat:enterprise_linux:kpatch-patch-4_18_0-193_119_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: 3/12/2024

Vulnerability Publication Date: 4/28/2023

Reference Information

CVE: CVE-2023-31436, CVE-2023-3390, CVE-2023-35001, CVE-2023-3611, CVE-2023-45871, CVE-2023-4623, CVE-2023-4921, CVE-2023-5178, CVE-2024-0646

CWE: 120, 125, 416, 787

RHSA: 2024:1278