Red Hat Security Advisory: kernel security update
Affects Linux kernelSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 30 Oct 2026, 04:47 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 25 Aug 2025
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 29 Oct 2026.
What to do
AI-suggested
Red Hat has released updated kernel packages that fix these vulnerabilities. Users should apply the available kernel update for Red Hat Enterprise Linux 8 and reboot their systems to ensure the fixes take effect. Detailed update instructions are available in the Red Hat advisory. No additional mitigation steps are indicated.
Description
Red Hat has issued a moderate severity security advisory for the Linux kernel packages in Red Hat Enterprise Linux 8. The update addresses two vulnerabilities: a memory accounting leak in the UDP implementation (CVE-2025-22058) and an invalid MMIO write access in the i40e driver (CVE-2025-38200). These fixes are included in updated kernel packages that require a system reboot to take effect.
References
- access.redhat.com/errata/RHSA-2025:14438 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2360276 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2376392 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_14438.json (opens in a new tab)