RHEL 8 : kernel (RHSA-2023:4517)

high Nessus Plugin ID 179452

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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-2023:4517 advisory.

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

Security Fix(es):

* kernel: use-after-free in l2cap_connect and l2cap_le_connect_req in net/bluetooth/l2cap_core.c (CVE-2022-42896)

* kernel: tcindex: use-after-free vulnerability in traffic control index filter allows privilege escalation (CVE-2023-1281)

* kernel: Use-after-free vulnerability in the Linux Kernel traffic control index filter (CVE-2023-1829)

* kernel: use-after-free vulnerability in the perf_group_detach function of the Linux Kernel Performance Events (CVE-2023-2235)

* kernel: OOB access in the Linux kernel's XFS subsystem (CVE-2023-2124)

* kernel: i2c: out-of-bounds write in xgene_slimpro_i2c_xfer() (CVE-2023-2194)

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.

Bug Fix(es):

* simultaneous writes to a page on xfs can result in zero-byte data (BZ#2184101)

* RHEL 8.4 - kernel: fix __clear_user() inline assembly constraints (BZ#2192602)

* LPAR is crashed by Phyp when doing DLPAR CPU operations (BZ#2193375)

* ice: ptp4l cpu usage spikes (BZ#2203285)

* Kernel - Significant performance drop for getrandom system call when FIPS is enabled (compared to RHEL 8.x for all x < 6.z) (BZ#2208127)

* macvlan: backports from upstream (BZ#2209686)

* Intel 8.9 BUG VROC: Pull VMD secondary bus reset patch (BZ#2211198)

* Incorrect target abort handling causes iscsi deadlock (BZ#2211494)

* swap deadlock when attempt to charge a page to a cgroup stalls waiting on I/O plugged on another task in swap code (BZ#2211513)

* BUG_ON kernel BUG at mm/rmap.c:1041! in __page_set_anon_rmap() when vma->anon_vma==NULL (BZ#2211658)

* RHEL 8.9: IPMI updates and bug fixes (BZ#2211667)

* RHEL 8.6 opening console with mkvterm on novalink terminal fails due to drmgr reporting failure (L3:) (BZ#2212373)

* RHEL 8.8 - P10 DD2.0: Wrong numa_node is assigned to vpmem device (BZ#2212451)

* RHEL 8.8 beta: Occasional stall during initialization of ipmi_msghandler (BZ#2213189)

* ESXi RHEL 8: Haswell generation CPU are impacted with performance due to IBRS (BZ#2213366)

* xen: fix section mismatch error with xen_callback_vector() and alloc_intr_gate() (BZ#2214281)

* jitter: Fix RCT/APT health test during initialization (BZ#2215079)

* aacraid misses interrupts when a CPU is disabled resulting in scsi timeouts and the adapter being unusable until reboot. (BZ#2216498)

* Hyper-V RHEL 8: Fix VM crash/hang Issues due to fast VF add/remove events (BZ#2216543)

* rbd: avoid fast-diff corruption in snapshot-based mirroring [8.9] (BZ#2216769)

* Regression of 3b8cc6298724 (blk-cgroup: Optimize blkcg_rstat_flush()) (BZ#2220810)

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-2023:4517.

Plugin Details

Severity: High

ID: 179452

File Name: redhat-RHSA-2023-4517.nasl

Version: 1.4

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/8/2023

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: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.5

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

CVSS Score Source: CVE-2022-42896

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

Vector: CVSS:3.0/AV:A/AC:L/PR:N/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:kernel-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-tools-libs-devel, 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, 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_eus:8.8, p-cpe:/a:redhat:enterprise_linux:kernel-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-devel, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-core, p-cpe:/a:redhat:enterprise_linux:kernel, cpe:/o:redhat:enterprise_linux:8, 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-modules, p-cpe:/a:redhat:enterprise_linux:kernel-zfcpdump-modules, 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 Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/8/2023

Vulnerability Publication Date: 11/23/2022

Reference Information

CVE: CVE-2022-42896, CVE-2023-1281, CVE-2023-1829, CVE-2023-2124, CVE-2023-2194, CVE-2023-2235

CWE: 119, 125, 416, 787

RHSA: 2023:4517

Detections

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