Home / mailings [RHSA-2023:4814-01] Important: kernel-rt security and bug fix update
Posted on 29 August 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2023:4814-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:4814
Issue date: 2023-08-29
CVE Names: CVE-2022-1353 CVE-2022-39188 CVE-2023-0458
CVE-2023-3090 CVE-2023-28466
=====================================================================
1. Summary:
An update for kernel-rt is now available for Red Hat Enterprise Linux 9.0
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 EUS (v.9.0) - x86_64
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0) - 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: ipvlan: out-of-bounds write caused by unclear skb->cb
(CVE-2023-3090)
* kernel: kernel info leak issue in pfkey_register (CVE-2022-1353)
* kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings
leads to stale TLB entry (CVE-2022-39188)
* kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c
(CVE-2023-0458)
* kernel: tls: race condition in do_tls_getsockopt may lead to
use-after-free or NULL pointer dereference (CVE-2023-28466)
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):
* kernel-rt: update RT source tree to the latest RHEL-9.0.z11 Batch
(BZ#2219867)
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/):
2066819 - CVE-2022-1353 kernel: kernel info leak issue in pfkey_register
2130141 - CVE-2022-39188 kernel: unmap_mapping_range() race with munmap() on VM_PFNMAP mappings leads to stale TLB entry
2179000 - CVE-2023-28466 kernel: tls: race condition in do_tls_getsockopt may lead to use-after-free or NULL pointer dereference
2193219 - CVE-2023-0458 kernel: speculative pointer dereference in do_prlimit() in kernel/sys.c
2218672 - CVE-2023-3090 kernel: ipvlan: out-of-bounds write caused by unclear skb->cb
6. Package List:
Red Hat Enterprise Linux Real Time for NFV EUS (v.9.0):
Source:
kernel-rt-5.14.0-70.70.1.rt21.141.el9_0.src.rpm
x86_64:
kernel-rt-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-core-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-core-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-debuginfo-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-devel-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-kvm-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-modules-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-modules-extra-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debuginfo-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-devel-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-kvm-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-modules-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-modules-extra-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
Red Hat Enterprise Linux Real Time EUS (v.9.0):
Source:
kernel-rt-5.14.0-70.70.1.rt21.141.el9_0.src.rpm
x86_64:
kernel-rt-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-core-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-core-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-debuginfo-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-devel-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-modules-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debug-modules-extra-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debuginfo-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-devel-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-modules-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
kernel-rt-modules-extra-5.14.0-70.70.1.rt21.141.el9_0.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2022-1353
https://access.redhat.com/security/cve/CVE-2022-39188
https://access.redhat.com/security/cve/CVE-2023-0458
https://access.redhat.com/security/cve/CVE-2023-3090
https://access.redhat.com/security/cve/CVE-2023-28466
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2023 Red Hat, Inc.
