SUSE SLES12: cluster-md-kmp-rt / dlm-kmp-rt / gfs2-kmp-rt / kernel-devel-rt / etc (SUSE-SU-2023:1894-1)

high Nessus Plugin ID 174532

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Synopsis

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

Description

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2023:1894-1 advisory.

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security and bugfixes.

The following security bugs were fixed:

- CVE-2023-1611: Fixed an use-after-free flaw in btrfs_search_slot (bsc#1209687).
- CVE-2020-36691: Fixed an issue which could allow attackers to cause a denial of service via a nested Netlink policy with a back reference (bsc#1209613).
- CVE-2023-28772: Fixed buffer overflow in seq_buf_putmem_hex in lib/seq_buf.c (bsc#1209549).
- CVE-2023-1513: Fixed an uninitialized portions of the kvm_debugregs structure that could be copied to userspace, causing an information leak (bsc#1209532).
- CVE-2023-28464: Fixed user-after-free that could lead to privilege escalation in hci_conn_cleanup in net/bluetooth/hci_conn.c (bsc#1209052).
- CVE-2021-3923: Fixed stack information leak vulnerability that could lead to kernel protection bypass in infiniband RDMA (bsc#1209778).
- CVE-2023-1390: Fixed remote DoS vulnerability in tipc_link_xmit() (bsc#1209289).
- CVE-2023-23455: Fixed a denial of service inside atm_tc_enqueue led by a type confusion (bsc#1207125).
- CVE-2023-1281: Fixed use after free that could lead to privilege escalation in tcindex (bsc#1209634).
- CVE-2017-5753: Fixed spectre V1 vulnerability on netlink (bsc#1209547).
- CVE-2017-5753: Fixed spectre vulnerability in prlimit (bsc#1209256).
- CVE-2023-28328: Fixed a denial of service issue in az6027 driver in drivers/media/usb/dev-usb/az6027.c (bsc#1209291).
- CVE-2022-20567: Fixed use after free that could lead to a local privilege escalation in pppol2tp_create of l2tp_ppp.c (bsc#1208850).
- CVE-2023-1076: Fixed incorrect UID assigned to tun/tap sockets (bsc#1208599).
- CVE-2023-1095: Fixed a NULL pointer dereference in nf_tables due to zeroed list head (bsc#1208777).

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: 174532

File Name: suse_SU-2023-1894-1.nasl

Version: 1.4

Type: Local

Agent: unix

Family: SuSE Local Security Checks

Published: 4/20/2023

Updated: 6/25/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, tenable_cloud_security, tenable_self_hosted_container_security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.5

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 4.1

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

CVSS Score Source: CVE-2017-5753

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

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:H/RL:O/RC:C

CVSS Score Source: CVE-2023-28464

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:dlm-kmp-rt, p-cpe:/a:novell:suse_linux:kernel-rt-devel, p-cpe:/a:novell:suse_linux:kernel-source-rt, cpe:/o:novell:suse_linux:12, p-cpe:/a:novell:suse_linux:kernel-rt-base, p-cpe:/a:novell:suse_linux:gfs2-kmp-rt, p-cpe:/a:novell:suse_linux:kernel-syms-rt, p-cpe:/a:novell:suse_linux:cluster-md-kmp-rt, p-cpe:/a:novell:suse_linux:kernel-rt_debug-devel, p-cpe:/a:novell:suse_linux:kernel-rt_debug, p-cpe:/a:novell:suse_linux:kernel-rt, p-cpe:/a:novell:suse_linux:ocfs2-kmp-rt, p-cpe:/a:novell:suse_linux:kernel-devel-rt

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: 4/18/2023

Vulnerability Publication Date: 1/3/2018

Exploitable With

CANVAS (CANVAS)

Reference Information

CVE: CVE-2017-5753, CVE-2020-36691, CVE-2021-3923, CVE-2022-20567, CVE-2023-1076, CVE-2023-1095, CVE-2023-1281, CVE-2023-1390, CVE-2023-1513, CVE-2023-1611, CVE-2023-23455, CVE-2023-28328, CVE-2023-28464, CVE-2023-28772

SuSE: SUSE-SU-2023:1894-1

Detections

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