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AUSCERT External Security Bulletin Redistribution
ESB-2024.0566
kernel-rt security update
29 January 2024
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: kernel-rt
Publisher: Red Hat
Operating System: Red Hat
Resolution: Patch/Upgrade
CVE Names: CVE-2023-46813 CVE-2023-45871 CVE-2023-40283
CVE-2023-39191 CVE-2023-38409 CVE-2023-20569
CVE-2023-6679 CVE-2023-5717 CVE-2023-4623
CVE-2023-4622 CVE-2023-4015 CVE-2023-3777
CVE-2023-3567 CVE-2023-2176 CVE-2023-2166
CVE-2023-2163 CVE-2023-2162 CVE-2023-1192
CVE-2022-41858 CVE-2022-3545
Original Bulletin:
https://access.redhat.com/errata/RHSA-2024:0439
Comment: CVSS (Max): 8.2 CVE-2023-39191 (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H)
CVSS Source: Red Hat
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
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Red Hat Security Advisory
Synopsis: Important: kernel-rt security update
Advisory ID: RHSA-2024:0439
Product: Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2)
Advisory URL: https://access.redhat.com/errata/RHSA-2024:0439
Issue date: 2024-01-25
CVE Names: CVE-2022-3545 CVE-2022-41858 CVE-2023-1192 CVE-2023-2162
CVE-2023-2163 CVE-2023-2166 CVE-2023-2176 CVE-2023-3567
CVE-2023-3777 CVE-2023-4015 CVE-2023-4622 CVE-2023-4623
CVE-2023-5717 CVE-2023-6679 CVE-2023-20569 CVE-2023-38409
CVE-2023-39191 CVE-2023-40283 CVE-2023-45871 CVE-2023-46813
=====================================================================
1. Summary:
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2
Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of
Important. A Common Vulnerability Scoring System (CVSS) base score, which gives
a detailed severity rating, is available for each vulnerability from the CVE
link(s) in the References section.
2. Relevant releases/architectures:
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2) - x86_64
Red Hat Enterprise Linux Real Time EUS (v.9.2) - x86_64
3. Description:
The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-
tuning for systems with extremely high determinism requirements.
Security Fix(es):
* kernel: bpf: Incorrect verifier pruning leads to unsafe code paths being
incorrectly marked as safe (CVE-2023-2163)
* kernel: use after free in unix_stream_sendpage (CVE-2023-4622)
* kernel: net/sched: sch_hfsc UAF (CVE-2023-4623)
* kernel: eBPF: insufficient stack type checks in dynptr (CVE-2023-39191)
* kernel: IGB driver inadequate buffer size for frames larger than MTU
(CVE-2023-45871)
* kernel: Race Condition leading to UAF in Unix Socket could happen in
sk_receive_queue (BZ#2230094)
* kernel: nfp: use-after-free in area_cache_get() (CVE-2022-3545)
* kernel: null-ptr-deref vulnerabilities in sl_tx_timeout in drivers/net/slip
(CVE-2022-41858)
* kernel: UAF during login when accessing the shost ipaddress (CVE-2023-2162)
* kernel: NULL pointer dereference in can_rcv_filter (CVE-2023-2166)
* kernel: Slab-out-of-bound read in compare_netdev_and_ip (CVE-2023-2176)
* kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
(CVE-2023-3567)
* kernel: use-after-free in netfilter: nf_tables (CVE-2023-3777)
* kernel: use after free in nft_immediate_deactivate (CVE-2023-4015)
* kernel: A heap out-of-bounds write (CVE-2023-5717)
* hw amd: Return Address Predictor vulnerability leading to information
disclosure (CVE-2023-20569)
* kernel: fbcon: out-of-sync arrays in fbcon_mode_deleted due to wrong
con2fb_map assignment (CVE-2023-38409)
* kernel: use-after-free in l2cap_sock_release in net/bluetooth/l2cap_sock.c
(CVE-2023-40283)
* kernel: SEV-ES local priv escalation (CVE-2023-46813)
* kernel: use-after-free in smb2_is_status_io_timeout() (CVE-2023-1192)
* kernel: NULL pointer dereference in dpll_pin_parent_pin_set() in
drivers/dpll/dpll_netlink.c (CVE-2023-6679)
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.
4. Solution:
For details on how to apply this update, which includes the changes described in
this advisory, refer to:
https://access.redhat.com/articles/11258
The system must be rebooted for this update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
2161310 - CVE-2022-3545 - kernel: nfp: use-after-free in area_cache_get()
2144379 - CVE-2022-41858 - kernel: null-ptr-deref vulnerabilities in
sl_tx_timeout in drivers/net/slip
2154178 - CVE-2023-1192 - kernel: use-after-free in smb2_is_status_io_timeout()
2187773 - CVE-2023-2162 - kernel: UAF during login when accessing the shost
ipaddress
2240249 - CVE-2023-2163 - kernel: bpf: Incorrect verifier pruning leads to
unsafe code paths being incorrectly marked as safe
2187813 - CVE-2023-2166 - kernel: NULL pointer dereference in can_rcv_filter
2187931 - CVE-2023-2176 - kernel: Slab-out-of-bound read in
compare_netdev_and_ip
2221463 - CVE-2023-3567 - kernel: use after free in vcs_read in
drivers/tty/vt/vc_screen.c due to race
2237750 - CVE-2023-3777 - kernel: use-after-free in netfilter: nf_tables
2237752 - CVE-2023-4015 - kernel: use after free in nft_immediate_deactivate
2237760 - CVE-2023-4622 - kernel: use after free in unix_stream_sendpage
2237757 - CVE-2023-4623 - kernel: net/sched: sch_hfsc UAF
2246945 - CVE-2023-5717 - kernel: A heap out-of-bounds write
2253986 - CVE-2023-6679 - kernel: NULL pointer dereference in
dpll_pin_parent_pin_set() in drivers/dpll/dpll_netlink.c
2207625 - CVE-2023-20569 - hw amd: Return Address Predictor vulnerability
leading to information disclosure
2230042 - CVE-2023-38409 - kernel: fbcon: out-of-sync arrays in
fbcon_mode_deleted due to wrong con2fb_map assignment
2226783 - CVE-2023-39191 - kernel: eBPF: insufficient stack type checks in
dynptr
2231800 - CVE-2023-40283 - kernel: use-after-free in l2cap_sock_release in
net/bluetooth/l2cap_sock.c
2244723 - CVE-2023-45871 - kernel: IGB driver inadequate buffer size for frames
larger than MTU
2246944 - CVE-2023-46813 - kernel: SEV-ES local priv escalation
6. Package List:
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.2)
Source:
kernel-rt-0:5.14.0-284.48.1.rt14.333.el9_2.src.rpm
x86_64:
kernel-rt-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-core-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-core-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-debuginfo-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-devel-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-kvm-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-modules-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-modules-core-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-modules-extra-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debuginfo-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-devel-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-kvm-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-modules-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-modules-core-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-modules-extra-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
Red Hat Enterprise Linux Real Time EUS (v.9.2)
Source:
kernel-rt-0:5.14.0-284.48.1.rt14.333.el9_2.src.rpm
x86_64:
kernel-rt-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-core-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-core-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-debuginfo-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-devel-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-kvm-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-modules-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-modules-core-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debug-modules-extra-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debuginfo-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-devel-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-kvm-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-modules-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-modules-core-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
kernel-rt-modules-extra-0:5.14.0-284.48.1.rt14.333.el9_2.x86_64.rpm
7. References:
https://access.redhat.com/security/cve/CVE-2022-3545
https://access.redhat.com/security/cve/CVE-2022-41858
https://access.redhat.com/security/cve/CVE-2023-1192
https://access.redhat.com/security/cve/CVE-2023-2162
https://access.redhat.com/security/cve/CVE-2023-2163
https://access.redhat.com/security/cve/CVE-2023-2166
https://access.redhat.com/security/cve/CVE-2023-2176
https://access.redhat.com/security/cve/CVE-2023-3567
https://access.redhat.com/security/cve/CVE-2023-3777
https://access.redhat.com/security/cve/CVE-2023-4015
https://access.redhat.com/security/cve/CVE-2023-4622
https://access.redhat.com/security/cve/CVE-2023-4623
https://access.redhat.com/security/cve/CVE-2023-5717
https://access.redhat.com/security/cve/CVE-2023-6679
https://access.redhat.com/security/cve/CVE-2023-20569
https://access.redhat.com/security/cve/CVE-2023-38409
https://access.redhat.com/security/cve/CVE-2023-39191
https://access.redhat.com/security/cve/CVE-2023-40283
https://access.redhat.com/security/cve/CVE-2023-45871
https://access.redhat.com/security/cve/CVE-2023-46813
https://access.redhat.com/security/updates/classification/#important
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