Red Hat Security Advisory: kernel security update
Affects Linux kernelSource GCVE Database
Not known to be exploited.
Data as of 29 Oct 2026, 08:27 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 47% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Exploitation evidence
Disclosed: evidence found.
CVE published 10 Sep 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 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red Hat Product Security Red Hat | Affected
| Fixed in– |
AI-suggested
Red Hat has released updated kernel packages for Red Hat Enterprise Linux 10 that address this vulnerability. Users should apply the provided kernel update and reboot their systems to activate the fix. Red Hat strongly advises against delaying this update to avoid exposure to potential risks.
Description
A security update for the Linux kernel in Red Hat Enterprise Linux 10 addresses a vulnerability identified as CVE-2026-74480. The issue involves the network bridge component and specifically the handling of fast-leave behavior after deleting a port group. Red Hat has rated this update as Important and recommends applying the update and rebooting the system to ensure the fix takes effect.