Red Hat Security Advisory: OpenShift Container Platform 4.22.10 bug fix and security update
Description
Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the container images for Red Hat OpenShift Container Platform 4.22.10. See the following advisory for the RPM packages for this release: https://access.redhat.com/errata/RHBA-2026:54768 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes: https://docs.redhat.com/en/documentation/openshift_container_platform/4.22/html/release_notes/ Security Fix(es): * kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation (CVE-2025-54518) * samba: Missing access check on reparse point operations (CVE-2026-1933) * sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation (CVE-2026-14474) * sg3_utils: sg3_utils: arbitrary command execution via udev property injection in sg_inq --export (CVE-2026-16313) * rsync: TOCTOU symlink race condition allowing local privilege escalation in daemon mode without chroot. (CVE-2026-29518) * unbound: Unbound: Denial of Service via excessive EDNS options (CVE-2026-41292) * vim: Vim: Arbitrary Code Execution via crafted directory names (CVE-2026-47162) * vim: Vim: Arbitrary code execution via crafted step-definition patterns (CVE-2026-47167) * vim: Vim: Arbitrary code execution via Python omni-completion (CVE-2026-52858) * acl: Symlink traversal privilege escalation via libacl functions (CVE-2026-54369) * vim: Vim: Arbitrary code execution via malicious docstrings in Python omni-completion (CVE-2026-57456) * openssh: OpenSSH: Use-after-free vulnerability during host key re-exchange on the client side (CVE-2026-60002) * kernel: KVM: x86: Don't (re)check L1 intercepts when completing userspace I/O (CVE-2025-40026) * libarchive: Double-Free Vulnerability in RAR5 Decompression Logic via dangling filtered_buf pointer in init_unpack() (CVE-2026-14164) * sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass (CVE-2026-14476) * unbound: Unbound: Cache manipulation via 'ghost domain names' attack (CVE-2026-40622) * vim: Vim: Out-of-bounds Write in Spell File Word Count (CVE-2026-55693) * vim: Vim: Denial of Service via stack out-of-bounds write in spell_soundfold_sofo() (CVE-2026-57455) * vim: Vim: Arbitrary code execution via crafted PHP file in omni-completion (CVE-2026-59856) * vim: Vim: Arbitrary command execution via crafted tags file in C omni-completion (CVE-2026-59858) 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. All OpenShift Container Platform 4.22 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.22/html-single/updating_clusters/index#updating-cluster-cli.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This advisory addresses several security flaws in the Real Time Linux Kernel (kernel-rt) packages for Red Hat Enterprise Linux. Notably, CVE-2025-40026 fixes an issue in the KVM x86 code where L1 intercepts were improperly (re)checked during userspace I/O completion. Other fixes include correcting an out-of-bounds write in device mapper logging due to region_count overflow (CVE-2026-53059) and a double-free vulnerability in the TIPC buffer append function (CVE-2026-52993). The update is rated as important by Red Hat and requires a system reboot. The vendor advisory confirms that patches are available and strongly recommends timely application of these updates to maintain system security.
Potential Impact
The vulnerabilities affect the Linux kernel's core components used in real-time environments, potentially allowing attackers to cause memory corruption (out-of-bounds write, double-free) or improper handling of kernel operations (KVM intercepts). These issues could lead to system instability or compromise. However, there are no known exploits in the wild at this time. The impact is rated as high due to the kernel's critical role in system security and stability.
Mitigation Recommendations
A patch is available from Red Hat and should be applied promptly. The update requires a system reboot to take effect. Red Hat advises treating all kernel errata as security-relevant and recommends not delaying updates. Follow the official Red Hat advisory instructions for applying the update: https://access.redhat.com/articles/11258. No additional mitigations are specified beyond applying the official patch and rebooting.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:45116
- Cve Count
- 3
- Additional Cves
- CVE-2026-52993, CVE-2026-53059
- Cvss Version
- 3.1
Threat ID: 6a6542129c2644c7f8087182
Added to database: 07/25/2026, 23:09:06 UTC
Last enriched: 08/17/2026, 21:43:18 UTC
Last updated: 10/24/2026, 08:45:08 UTC
Views: 197
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