Red Hat Security Advisory: kernel security update
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 16:03 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 2 Mar 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.
What to do
AI-suggested
Red Hat has released an official security update that fixes this vulnerability. Users should apply the kernel update provided by Red Hat for Enterprise Linux 9.6 Extended Update Support and reboot the system to ensure the fix is active. Refer to Red Hat's official advisory and update instructions at https://access.redhat.com/articles/11258.
Description
A use-after-free vulnerability exists in the Linux kernel's BPF sockmap implementation, which can lead to denial of service and privilege escalation. This issue affects Red Hat Enterprise Linux 9.6 Extended Update Support and related variants. Red Hat has released a security update to address this vulnerability, and applying the update requires a system reboot.