Linux · Security advisory · June 24, 2026
RHSA-2026:55445: kernel security update
RHSA-2026:55445, released June 24, 2026, fixes 12 CVEs in kernel (version 6.12.0-55.98.1.el10_0). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
12
1 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0159
75th percentile
Priority of the 12 CVEs
Patch now 0
Urgent 1
High 10
Routine 1
Fixed package versions
| Product | Release | Fixed in |
|---|---|---|
| kernel | RHEL 10 | 6.12.0-55.98.1.el10_0 |
CVEs this fix closes
| Priority | CVE | Title | Impact | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|---|
| Urgent | CVE-2025-10263 | ARM: CVE-2025-10263 Completion of affected memory accesses might not be guaranteed by completion of a TLBI [kernel] | 9.3 | 0.0054 | Exploitation Less Likely | |
| High | CVE-2026-23455 | kernel: In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_h323: check for zero leng... | 9.1 | 0.0159 | None reported | |
| High | CVE-2026-53264 | net/sched: act_api: use RCU with deferred freeing for action lifecycle | 7.8 | 0.0049 | None reported | |
| High | CVE-2026-53000 | kernel: In the Linux kernel, the following vulnerability has been resolved: netfilter: nat: use kfree_rcu to release ops Flor... | 7.8 | 0.0018 | None reported | |
| High | CVE-2025-71089 | iommu: disable SVA when CONFIG_X86 is set | 7.8 | 0.0016 | None reported | |
| High | CVE-2026-31488 | drm/amd/display: Do not skip unrelated mode changes in DSC validation | 7.8 | 0.0014 | None reported | |
| High | CVE-2026-53059 | dm log: fix out-of-bounds write due to region_count overflow | 7.8 | 0.0014 | None reported | |
| High | CVE-2026-45998 | rxrpc: Fix potential UAF after skb_unshare() failure | 7.8 | 0.0014 | None reported | |
| High | CVE-2026-43279 | kernel: In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Add sanity check for OOB writes... | 7.8 | 0.0012 | None reported | |
| High | CVE-2026-23375 | kernel: In the Linux kernel, the following vulnerability has been resolved: mm: thp: deny THP for files on anonymous inodes f... | 7.5 | 0.0012 | None reported | |
| High | CVE-2026-23110 | kernel: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: c... | 7.8 | 0.0011 | None reported | |
| Routine | CVE-2025-71131 | kernel: In the Linux kernel, the following vulnerability has been resolved: crypto: seqiv - Do not use req->iv after crypto_a... | 5.5 | 0.0031 | None reported |
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