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Red Hat Security Advisory 2023-0300-01

Red Hat Security Advisory 2023-0300-01
Posted Jan 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0300-01 - The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Issues addressed include buffer overflow and privilege escalation vulnerabilities.

tags | advisory, overflow, kernel, vulnerability
systems | linux, redhat
advisories | CVE-2022-2959, CVE-2022-2964, CVE-2022-30594, CVE-2022-3077, CVE-2022-4139, CVE-2022-43945
SHA-256 | 8d37c7d8ee1ca4cb5709e9609fb377f17f1c4bb3ae3c63a34fc4b21cff595e3b

Red Hat Security Advisory 2023-0300-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Important: kernel-rt security and bug fix update
Advisory ID: RHSA-2023:0300-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0300
Issue date: 2023-01-23
CVE Names: CVE-2022-2959 CVE-2022-2964 CVE-2022-3077
CVE-2022-4139 CVE-2022-30594 CVE-2022-43945
====================================================================
1. Summary:

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.

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 (v. 9) - x86_64
Red Hat Enterprise Linux Real Time for NFV (v. 9) - 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: watch queue race condition can lead to privilege escalation
(CVE-2022-2959)

* kernel: memory corruption in AX88179_178A based USB ethernet device.
(CVE-2022-2964)

* kernel: i915: Incorrect GPU TLB flush can lead to random memory access
(CVE-2022-4139)

* kernel: nfsd buffer overflow by RPC message over TCP with garbage data
(CVE-2022-43945)

* kernel: i2c: unbounded length leads to buffer overflow in ismt_access()
(CVE-2022-3077)

* kernel: Unprivileged users may use PTRACE_SEIZE to set
PTRACE_O_SUSPEND_SECCOMP option (CVE-2022-30594)

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):

* DELL EMC: System is not booting into RT Kernel with perc12 [kernel-rt]
(BZ#2139863)

* kernel-rt: update RT source tree to the latest RHEL-9.1.z1 Batch
(BZ#2141817)

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/):

2067482 - CVE-2022-2964 kernel: memory corruption in AX88179_178A based USB ethernet device.
2085300 - CVE-2022-30594 kernel: Unprivileged users may use PTRACE_SEIZE to set PTRACE_O_SUSPEND_SECCOMP option
2103681 - CVE-2022-2959 kernel: watch queue race condition can lead to privilege escalation
2123309 - CVE-2022-3077 kernel: i2c: unbounded length leads to buffer overflow in ismt_access()
2141752 - CVE-2022-43945 kernel: nfsd buffer overflow by RPC message over TCP with garbage data
2147572 - CVE-2022-4139 kernel: i915: Incorrect GPU TLB flush can lead to random memory access

6. Package List:

Red Hat Enterprise Linux Real Time for NFV (v. 9):

Source:
kernel-rt-5.14.0-162.12.1.rt21.175.el9_1.src.rpm

x86_64:
kernel-rt-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-core-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-core-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-debuginfo-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-devel-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-kvm-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-modules-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-modules-extra-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debuginfo-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-devel-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-kvm-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-modules-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-modules-extra-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm

Red Hat Enterprise Linux Real Time (v. 9):

Source:
kernel-rt-5.14.0-162.12.1.rt21.175.el9_1.src.rpm

x86_64:
kernel-rt-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-core-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-core-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-debuginfo-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-devel-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-modules-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debug-modules-extra-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debuginfo-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-debuginfo-common-x86_64-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-devel-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-modules-5.14.0-162.12.1.rt21.175.el9_1.x86_64.rpm
kernel-rt-modules-extra-5.14.0-162.12.1.rt21.175.el9_1.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-2022-2959
https://access.redhat.com/security/cve/CVE-2022-2964
https://access.redhat.com/security/cve/CVE-2022-3077
https://access.redhat.com/security/cve/CVE-2022-4139
https://access.redhat.com/security/cve/CVE-2022-30594
https://access.redhat.com/security/cve/CVE-2022-43945
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.
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