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CentOS 7 : kpatch-patch (RHSA-2023:4834)

high Nessus Plugin ID 187225

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Synopsis

The remote CentOS Linux host is missing a security update.

Description

The remote CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2023:4834 advisory.

 - An issue was discovered in fl_set_geneve_opt in net/sched/cls_flower.c in the Linux kernel before 6.3.7.
 It allows an out-of-bounds write in the flower classifier code via TCA_FLOWER_KEY_ENC_OPTS_GENEVE packets.
 This may result in denial of service or privilege escalation. (CVE-2023-35788)

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 affected packages.

See Also

https://access.redhat.com/errata/RHSA-2023:4834

Plugin Details

Severity: High

ID: 187225

File Name: centos_RHSA-2023-4834.nasl

Version: 1.0

Type: local

Agent: unix

Published: 12/22/2023

Updated: 12/22/2023

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, 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: 5.3

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

CVSS Score Source: CVE-2023-35788

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:centos:centos:7, p-cpe:/a:centos:centos:kpatch-patch-3_10_0-1160_95_1, p-cpe:/a:centos:centos:kpatch-patch-3_10_0-1160_92_1, p-cpe:/a:centos:centos:kpatch-patch-3_10_0-1160_83_1, p-cpe:/a:centos:centos:kpatch-patch-3_10_0-1160_90_1, p-cpe:/a:centos:centos:kpatch-patch-3_10_0-1160_88_1

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/29/2023

Vulnerability Publication Date: 6/16/2023

Reference Information

CVE: CVE-2023-35788

RHSA: 2023:4834