Threats Tagged 'cve-2026-52950'

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.

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: crypto: af_alg - zero initialize memory allocated via sock_kmalloc (CVE-2025-71113) * kernel: Linux kernel: Denial of Service due to memory leak in tpm2_load_cmd (CVE-2025-71147) * kernel: flex_proportions: make fprop_new_period() hardirq safe (CVE-2026-23168) * kernel: cxl/port: Fix use after free of parent_port in cxl_detach_ep() (CVE-2026-31530) * kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete (CVE-2026-46116) * kernel: fanotify: fix false positive on permission events (CVE-2026-46150) * kernel: drm: Set old handle to NULL before prime swap in change_handle (CVE-2026-46215) * kernel: drm/xe: Fix error cleanup in xe_exec_queue_create_ioctl() (CVE-2026-52976) * kernel: drm/xe/dma-buf: fix UAF with retry loop (CVE-2026-52950) * kernel: ice: fix double-free of tx_buf skb (CVE-2026-53009) * kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp (CVE-2026-53071) * kernel: can: bcm: thrtimer use-after-free during RX operation teardown () Bug Fix(es) and Enhancement(s): * nfsd_file slab cache objects remaining on kmem_cache_shutdown during nfsd teardown while running bz1477872 testcase (JIRA:RHEL-173103) * tools/lib/perf/Makefile: libperf includes appended after CFLAGS causes parallel build race, breaking kernel builds [rhel-10.2.z] (JIRA:RHEL-183975) * [RHEL10-debug]: BUG: KASAN: slab-use-after-free in __pv_queued_spin_lock_slowpath [rhel-10.2.z] (JIRA:RHEL-186311) * ice: driver update 2026-06, part 1 [rhel-10.2.z] (JIRA:RHEL-191324) 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.

A use-after-free (UAF) vulnerability in the Linux kernel's drm/xe/dma-buf subsystem was fixed. The issue involved a retry loop that did not work correctly because a buffer object (bo) would be freed on error, leading to a UAF condition. The fix involved changing the allocation and initialization sequence to make the retry safe. This vulnerability is tracked as CVE-2026-52950 and affects multiple versions of the linux-hwe-edge kernel prior to 7.0.0-28.28 and related versions. The vulnerability has a CVSS score of 7.8, indicating high impact on confidentiality, integrity, and availability. A patch is available and included in updated kernel packages. Users should update and reboot to apply the fix.

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