Linux · Red Hat · Security advisory · May 27, 2026

RHSA-2026:33215: kernel security update

RHSA-2026:33215, released May 27, 2026, fixes 11 CVEs in kernel (version 6.12.0-55.84.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
11
1 rated Critical
Exploited
0
None reported
Highest CVSS
9.8
Base score, 0 to 10
Highest EPSS
0.0051
43rd percentile

Priority of the 11 CVEs

Patch now 0 Urgent 1 High 10 Routine 0

Fixed package versions

ProductReleaseFixed in
kernelRHEL 106.12.0-55.84.1.el10_0

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2026-43341 linux: In the Linux kernel, the following vulnerability has been resolved: net/ipv6: ioam6: prevent schema length wraparoun...9.8 0.0051 None reported
High CVE-2026-31669 mptcp: fix slab-use-after-free in __inet_lookup_established9.8 0.0047 None reported
High CVE-2026-43158 linux: In the Linux kernel, the following vulnerability has been resolved: xfs: fix freemap adjustments when adding xattrs...8.8 0.0047 None reported
High CVE-2026-46244 netfilter: nft_inner: Fix IPv6 inner_thoff desync9.1 0.0042 None reported
High CVE-2026-43198 tcp: fix potential race in tcp_v6_syn_recv_sock()9.8 0.0030 None reported
High CVE-2026-46166 linux: In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use safe list iteration in radar...8.8 0.0020 None reported
High CVE-2026-43329 kpatch-patch-4_18_0-553_109_1: This is a kernel live patch module which can be loaded by the kpatch command line utility to modify the code of a run...7.8 0.0018 None reported
High CVE-2026-43303 mm/page_alloc: clear page->private in free_pages_prepare()7.8 0.0017 None reported
High CVE-2026-46176 RDMA/mlx5: Fix error path fall-through in mlx5_ib_dev_res_srq_init()7.8 0.0014 None reported
High CVE-2026-43128 linux: In the Linux kernel, the following vulnerability has been resolved: RDMA/umem: Fix double dma_buf_unpin in failure p...8.1 0.0014 None reported
High CVE-2026-46090 ALSA: aloop: Fix peer runtime UAF during format-change stop7.8 0.0010 None reported
Showing 1 to 11 of 11 1

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.