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Red Hat Security Advisory

RHSA-2026:44231

OpenShift Container Platform 4.19.40 bug fix and security update

Released 2026-07-29 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 6 records

Priority HIGH 73

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Fix shadow paging use-after-free due to unexpected role Commit 0cb2af2ea66ad ("KVM: x86: Fix shadow paging use-after-free due to unexpected GF…

CVSS 3.1HIGH 8.8 Local Low privileges No interaction EPSS 0.01368 Published 2026-07-04 Partial fix · 5.15.222, 6.1.177 +5 CWE-416
Priority MEDIUM 43

In the Linux kernel, the following vulnerability has been resolved: eventpoll: fix ep_remove struct eventpoll / struct file UAF ep_remove() (via ep_remove_file()) cleared file->f_ep under file->f_lock but then kept using…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.04576 Published 2026-05-30 Partial fix · 5.15.222, 6.1.178 +5 CWE-416
Priority MEDIUM 42

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: vgic-its: Drop the translation cache reference only for the erased entry vgic_its_invalidate_cache() walks the per-ITS translation cache wit…

CVSS 3.1CRITICAL 9.3 Local No auth No interaction EPSS 0.00337 Published 2026-06-09 Partial fix · 6.12.93, 6.18.35 +2 CWE-362
Priority MEDIUM 41

Issue summary: Applications using RSASVE key encapsulation to establish a secret encryption key can send contents of an uninitialized memory buffer to a malicious peer.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.01049 Published 2026-04-07 Partial fix · 3.6.2, 3.5.6 +3 CWE-754
TI-2026-34044 CVE-2026-46323 · GHSA-hf4r-hm8m-w52j

net: gro: don't merge zcopy skbs

Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: net: gro: don't merge zcopy skbs skb_gro_receive() can currently copy frags between the source and GRO skb, without checking the zerocopy status, and in…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00137 Published 2026-06-09 Partial fix · 6.1.176, 6.6.142 +4 CWE-416
Priority LOW 35

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: strictly check for maximum number of actions The maximum number of flowtable hardware offload actions in IPv6 is: * ethernet mangl…

CVSS 3.1HIGH 7.8 Local Low privileges No interaction EPSS 0.00178 Published 2026-05-08 Partial fix · 5.15.203, 6.1.168 +5 CWE-122