- Issued:
- 2022-11-02
- Updated:
- 2022-11-02
RHSA-2022:7319 - Important: kernel-rt security and bug fix update
Synopsis
Important: kernel-rt security and bug fix update
Type/Severity
Security Advisory Important
Topic
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.
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):
-
posix cpu timer use-after-free may lead to local privilege escalation (CVE-2022-2585)
-
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):
- Update RT source tree to the latest RHEL-9.0.z4 Batch (BZ#2123498)
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.
Affected Products
| Product | Version | Arch |
|---|---|---|
| Red Hat Enterprise Linux for x86_64 | 9 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions | 9.6 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions | 9.4 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions | 9.2 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions | 9.0 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 9.6 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Update Support | 9.4 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | 9.6 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | 9.4 | x86_64 |
| Red Hat Enterprise Linux for x86_64 - Extended Life Cycle | 9.2 | x86_64 |
Updated Packages
- kernel-rt-5.14.0-70.30.1.rt21.102.el9_0.src.rpm
- kernel-rt-debug-modules-extra-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-debug-core-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-debuginfo-common-x86_64-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-kvm-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-core-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-debug-debuginfo-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-debug-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-devel-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-modules-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-debug-kvm-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-debug-devel-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-debuginfo-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-modules-extra-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
- kernel-rt-debug-modules-5.14.0-70.30.1.rt21.102.el9_0.x86_64.rpm
Fixes
CVEs
References
Additional information
- The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
- Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.