Red Hat Security Advisory: kernel security, bug fix, and enhancement update
Affects Red Hat kernel security,Source GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 9.1 Critical.
Data as of 30 Oct 2026, 11:52 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 9 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ArmC1-Ultra | Affected
| Fixed in– |
| ArmC1-Premium | Affected
| Fixed in– |
| ArmNeoverse V3 | Affected
| Fixed in– |
| ArmNeoverse V3AE | Affected
| Fixed in– |
| ArmNeoverse V1 | Affected
| Fixed in– |
| ArmNeoverse N2 | Affected
| Fixed in– |
AI-suggested
Red Hat has released updated kernel packages that address these vulnerabilities. Users should apply the kernel update for Red Hat Enterprise Linux 9.4 and related variants as provided in the advisory and reboot the system for changes to take effect. Red Hat recommends treating all kernel errata as security-relevant and advises against delaying updates to reduce exposure.
Description
Red Hat issued a security advisory for the Linux kernel packages addressing multiple vulnerabilities including privilege escalation and access control issues. The update fixes CVE-2025-10263, a privilege escalation or information disclosure vulnerability on ARM processors, CVE-2026-46054 related to SELinux overlayfs access checks, and CVE-2026-64531 involving oversized nested action attributes in openvswitch. The advisory covers Red Hat Enterprise Linux 9.4 and related variants. Users must apply the update and reboot to mitigate these issues.
References
- access.redhat.com/errata/RHSA-2026:51746 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2482025 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2486958 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2507402 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_51746.json (opens in a new tab)