Red Hat Security Advisory

RHSA-2026:34048

OpenShift Container Platform 4.12.93 bug fix and security update

Released 2026-07-09 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat OpenShift Container Platform 4.12 rhcos-x86_64-412.86.202606251120-0

Fixes 3 records

TI-2026-34052 CVE-2026-46331 · GHSA-cr2w-747q-47qc

net/sched: fix pedit partial COW leading to page cache corruption

HIGH 69

In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcf_pedit_act() computes the COW range for skb_ensure_writable() once before the key l…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00639 Published 2026-06-16 Fixed in 5.10.260, 5.15.211 +9 CWE-190

TI-2026-33964 CVE-2026-46243 · GHSA-3mg7-pfmq-9qfv

smb: client: reject userspace cifs.spnego descriptions

HIGH 69

In the Linux kernel, the following vulnerability has been resolved: smb: client: reject userspace cifs.spnego descriptions cifs.spnego key descriptions contain authority-bearing fields such as pid, uid, creduid, and upca…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00413 Published 2026-06-01 Fixed in 5.10.258, 5.15.209 +6 CWE-20

TI-2026-01209 CVE-2026-1519 · GHSA-84m6-p53c-x4wp

Excessive NSEC3 iterations cause high CPU load during insecure delegation validation

MEDIUM 42

If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01687 Published 2026-03-25 Fixed CWE-606