Red Hat Security Advisory: kpatch-patch-5_14_0-284_104_1, kpatch-patch-5_14_0-284_117_1
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 19:19 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 5 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 provided official live patch modules to remediate this vulnerability. Users should apply the relevant kpatch updates for kernel-5.14.0-284.92.1.el9_2 and reboot their systems to ensure the patch takes effect. Detailed update instructions are available from Red Hat's advisory. No additional mitigation steps are indicated.
Description
A vulnerability identified as CVE-2025-40248 affects the Linux kernel's vsock component in Red Hat Enterprise Linux 9.2. This vulnerability may lead to memory corruption. Red Hat has issued a security advisory providing live patch modules for kernel version 5.14.0-284.92.1.el9_2 to address this issue. The update requires a system reboot to take effect.