Linux · 
Red Hat · Security advisory · May 27, 2026
Red Hat · Security advisory · May 27, 2026RHSA-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
| Product | Release | Fixed in |
|---|---|---|
| kernel | RHEL 10 | 6.12.0-55.84.1.el10_0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| 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_established | 9.8 | 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 desync | 9.1 | 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 stop | 7.8 | 0.0010 | None reported |
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