openSUSE 15 Security Update : kernel (SUSE-SU-2023:4072-2)

high Nessus Plugin ID 184801

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Synopsis

The remote openSUSE host is missing one or more security updates.

Description

The remote openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:4072-2 advisory.

The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

- CVE-2023-4563: Fixed an use-after-free flaw in the nftables sub-component. This vulnerability could allow a local attacker to crash the system or lead to a kernel information leak problem. (bsc#1214727)
- CVE-2023-39194: Fixed a flaw in the processing of state filters which could allow a local attackers to disclose sensitive information. (bsc#1215861)
- CVE-2023-39193: Fixed a flaw in the processing of state filters which could allow a local attackers to disclose sensitive information. (bsc#1215860)
- CVE-2023-39192: Fixed a flaw in the u32_match_it function which could allow a local attackers to disclose sensitive information. (bsc#1215858)
- CVE-2023-42754: Fixed a null pointer dereference in ipv4_link_failure which could lead an authenticated attacker to trigger a DoS. (bsc#1215467)
- CVE-2023-5345: fixed an use-after-free vulnerability in the fs/smb/client component which could be exploited to achieve local privilege escalation. (bsc#1215899)
- CVE-2023-4155: Fixed a flaw in KVM AMD Secure Encrypted Virtualization (SEV). An attacker can trigger a stack overflow and cause a denial of service or potentially guest-to-host escape in kernel configurations without stack guard pages. (bsc#1214022)
- CVE-2023-4389: Fixed a reference counting issue in the Btrfs filesystem that could be exploited in order to leak internal kernel information or crash the system (bsc#1214351).
- CVE-2023-42753: Fixed an array indexing vulnerability in the netfilter subsystem. This issue may have allowed a local user to crash the system or potentially escalate their privileges (bsc#1215150).
- CVE-2023-1206: Fixed a hash collision flaw in the IPv6 connection lookup table. A user located in the local network or with a high bandwidth connection can increase the CPU usage of the server that accepts IPV6 connections up to 95% (bsc#1212703).
- CVE-2023-4921: Fixed a use-after-free vulnerability in the QFQ network scheduler which could be exploited to achieve local privilege escalatio (bsc#1215275).
- CVE-2023-4622: Fixed a use-after-free vulnerability in the Unix domain sockets component which could be exploited to achieve local privilege escalation (bsc#1215117).
- CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215115).
- CVE-2023-1859: Fixed a use-after-free flaw in Xen transport for 9pfs which could be exploited to crash the system (bsc#1210169).
- CVE-2023-4881: Fixed a out-of-bounds write flaw in the netfilter subsystem that could lead to potential information disclosure or a denial of service (bsc#1215221).
- CVE-2023-2177: Fixed a null pointer dereference issue in the sctp network protocol which could allow a user to crash the system (bsc#1210643).
- CVE-2023-1192: Fixed use-after-free in cifs_demultiplex_thread() (bsc#1208995).

Tenable has extracted the preceding description block directly from the SUSE 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 affected packages.

Plugin Details

Severity: High

ID: 184801

File Name: suse_SU-2023-4072-2.nasl

Version: 1.1

Type: local

Agent: unix

Family: SuSE Local Security Checks

Published: 11/7/2023

Updated: 9/24/2025

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, 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-2023-5345

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:novell:suse_linux:15

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/6/2023

Vulnerability Publication Date: 8/15/2022

Reference Information

CVE: CVE-2023-1192, CVE-2023-1206, CVE-2023-1859, CVE-2023-2177, CVE-2023-39192, CVE-2023-39193, CVE-2023-39194, CVE-2023-4155, CVE-2023-42753, CVE-2023-42754, CVE-2023-4389, CVE-2023-4622, CVE-2023-4623, CVE-2023-4921, CVE-2023-5345

SuSE: SUSE-SU-2023:4072-2

Detections

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