RHEL 8 : kernel (RHSA-2024:6753)

high Nessus Plugin ID 207389

Synopsis

The remote Red Hat host is missing one or more security updates for kernel.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:6753 advisory.

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

* kernel: ext4: fix double-free of blocks due to wrong extents moved_len (CVE-2024-26704)

* kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_try_best_found() (CVE-2024-26773)

* kernel: ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal() (CVE-2024-26772)

* kernel: netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get() (CVE-2024-27020)

* kernel: netfilter: nf_tables: Fix potential data-race in __nft_obj_type_get() (CVE-2024-27019)

* kernel: ipv6: sr: fix out-of-bounds read when setting HMAC data. (CVE-2022-48687)

* kernel: netfilter: nf_tables: Fix potential data-race in __nft_flowtable_type_get() (CVE-2024-35898)

* kernel: virtio-net: Add validation for used length (CVE-2021-47352)

* kernel: mm, thp: bail out early in collapse_file for writeback page (CVE-2021-47492)

* kernel: bpf: Fix overrunning reservations in ringbuf (CVE-2024-41009)

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 kernel package based on the guidance in RHSA-2024:6753.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=2273174

https://bugzilla.redhat.com/show_bug.cgi?id=2273236

https://bugzilla.redhat.com/show_bug.cgi?id=2273242

https://bugzilla.redhat.com/show_bug.cgi?id=2278256

https://bugzilla.redhat.com/show_bug.cgi?id=2278258

https://bugzilla.redhat.com/show_bug.cgi?id=2278930

https://bugzilla.redhat.com/show_bug.cgi?id=2281669

https://bugzilla.redhat.com/show_bug.cgi?id=2282401

https://bugzilla.redhat.com/show_bug.cgi?id=2282924

https://bugzilla.redhat.com/show_bug.cgi?id=2298412

http://www.nessus.org/u?87c495b5

https://access.redhat.com/errata/RHSA-2024:6753

Plugin Details

Severity: High

ID: 207389

File Name: redhat-RHSA-2024-6753.nasl

Version: 1.2

Type: local

Agent: unix

Published: 9/18/2024

Updated: 11/7/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.4

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

CVSS Score Source: CVE-2024-27020

CVSS v3

Risk Factor: High

Base Score: 7

Temporal Score: 6.1

Vector: CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-core, p-cpe:/a:redhat:enterprise_linux:kernel-cross-headers, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs, p-cpe:/a:redhat:enterprise_linux:perf, p-cpe:/a:redhat:enterprise_linux:bpftool, p-cpe:/a:redhat:enterprise_linux:kernel-tools, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump, cpe:/o:redhat:rhel_e4s:8.6, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-headers, p-cpe:/a:redhat:enterprise_linux:kernel-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, cpe:/o:redhat:rhel_aus:8.6, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-devel, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules, p-cpe:/a:redhat:enterprise_linux:kernel-debug, p-cpe:/a:redhat:enterprise_linux:python3-perf

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/18/2024

Vulnerability Publication Date: 9/30/2022

Reference Information

CVE: CVE-2021-47352, CVE-2021-47492, CVE-2022-48687, CVE-2024-26704, CVE-2024-26772, CVE-2024-26773, CVE-2024-27019, CVE-2024-27020, CVE-2024-35898, CVE-2024-41009

CWE: 121, 20, 229, 372, 415

RHSA: 2024:6753