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RHEL 8 : kernel-rt (RHSA-2024:1269)
high Nessus Plugin ID 191911
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Synopsis
The remote Red Hat host is missing one or more security updates for kernel-rt.Description
The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2024:1269 advisory.The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.
Security Fix(es):
* UAF in nftables when nft_set_lookup_global triggered after handling named and anonymous sets in batch requests (CVE-2023-3390)
* net/sched: sch_qfq component can be exploited if in qfq_change_agg function happens qfq_enqueue overhead (CVE-2023-3611)
* net/sched: sch_hfsc UAF (CVE-2023-4623)
* use-after-free in sch_qfq network scheduler (CVE-2023-4921)
* use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)
* inactive elements in nft_pipapo_walk (CVE-2023-6817)
* out-of-bounds write in qfq_change_class function (CVE-2023-31436)
* nf_tables: stack-out-of-bounds-read in nft_byteorder_eval() (CVE-2023-35001)
* IGB driver inadequate buffer size for frames larger than MTU (CVE-2023-45871)
* ktls overwrites readonly memory pages when using function splice with a ktls socket as destination (CVE-2024-0646)
* nfp: use-after-free in area_cache_get() (CVE-2022-3545)
* vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query (CVE-2022-38096)
* Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)
* null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip (CVE-2022-41858)
* fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong con2fb_map assignment (CVE-2023-38409)
* use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c (CVE-2023-40283)
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-rt package based on the guidance in RHSA-2024:1269.See Also
http://www.nessus.org/u?fbd3474c
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/solutions/7027704
https://bugzilla.redhat.com/show_bug.cgi?id=2133452
https://bugzilla.redhat.com/show_bug.cgi?id=2144379
https://bugzilla.redhat.com/show_bug.cgi?id=2161310
https://bugzilla.redhat.com/show_bug.cgi?id=2192671
https://bugzilla.redhat.com/show_bug.cgi?id=2213260
https://bugzilla.redhat.com/show_bug.cgi?id=2220892
https://bugzilla.redhat.com/show_bug.cgi?id=2223949
https://bugzilla.redhat.com/show_bug.cgi?id=2225191
https://bugzilla.redhat.com/show_bug.cgi?id=2230042
https://bugzilla.redhat.com/show_bug.cgi?id=2231800
https://bugzilla.redhat.com/show_bug.cgi?id=2237757
https://bugzilla.redhat.com/show_bug.cgi?id=2241924
https://bugzilla.redhat.com/show_bug.cgi?id=2244723
https://bugzilla.redhat.com/show_bug.cgi?id=2245514
https://bugzilla.redhat.com/show_bug.cgi?id=2253908
Plugin Details
Severity: High
ID: 191911
File Name: redhat-RHSA-2024-1269.nasl
Version: 1.4
Type: local
Agent: unix
Family: Red Hat Local Security Checks
Published: 3/12/2024
Updated: 11/7/2024
Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: High
Score: 7.1
Vendor
Vendor Severity: Important
CVSS v2
Risk Factor: High
Base Score: 9
Temporal Score: 7
Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C
CVSS Score Source: CVE-2023-5178
CVSS v3
Risk Factor: High
Base Score: 8.8
Temporal Score: 7.9
Vector: CVSS:3.0/AV:N/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
CVSS v4
Risk Factor: Critical
Base Score: 9.3
Threat Score: 8.5
Threat Vector: CVSS:4.0/E:P
Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CVSS Score Source: CVE-2023-35001
Vulnerability Information
CPE: p-cpe:/a:redhat:enterprise_linux:kernel-rt, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-devel, p-cpe:/a:redhat:enterprise_linux:kernel-rt-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-core, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules-extra, p-cpe:/a:redhat:enterprise_linux:kernel-rt-modules-extra, cpe:/o:redhat:rhel_tus:8.2, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-kvm, p-cpe:/a:redhat:enterprise_linux:kernel-rt-debug-modules
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: 3/12/2024
Vulnerability Publication Date: 9/9/2022
Reference Information
CVE: CVE-2022-3545, CVE-2022-38096, CVE-2022-40982, CVE-2022-41858, CVE-2023-31436, CVE-2023-3390, CVE-2023-35001, CVE-2023-3611, CVE-2023-38409, CVE-2023-40283, CVE-2023-45871, CVE-2023-4623, CVE-2023-4921, CVE-2023-5178, CVE-2023-6817, CVE-2024-0646