Red Hat Security Advisory: kernel security update
Affects Linux kernelSource GCVE Database
Mentioned vulnerabilities
Not known to be exploited.
Data as of 5 Nov 2026, 15:49 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 23 Feb 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 5 Nov 2026.
Description
The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: page_pool: Fix use-after-free in page_pool_recycle_in_ring (CVE-2025-38129) * kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service (CVE-2025-38206) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
References
- access.redhat.com/errata/RHSA-2026:3066 (opens in a new tab)
- access.redhat.com/security/updates/classification/ (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2376034 (opens in a new tab)
- bugzilla.redhat.com/show_bug.cgi?id=2376377 (opens in a new tab)
- security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_3066.json (opens in a new tab)