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Critical Vulnerabilities in Red Hat Kernel Packages Require Immediate Action

First seen 2 Oct 2026, 06:02 UTC •
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ThreatCluster AI
ThreatCluster •October 2, 2026 at 06:03 UTC
  • •Two critical advisories released for Red Hat kernel vulnerabilities.
  • •CVE-2026-74480 and CVE-2026-74581 rated CVSS 9.8, posing severe risks.
  • •Immediate patching and system reboot required to mitigate vulnerabilities.

Red Hat has released two security advisories for vulnerabilities in kernel packages for Red Hat Enterprise Linux for NVIDIA. The first advisory, RHSA-2026:73187, addresses multiple critical vulnerabilities, including CVE-2026-74480 and CVE-2026-74581, both rated with a CVSS score of 9.8. These vulnerabilities could allow for significant system compromises if exploited. The second advisory, RHSA-2026:73788, includes vulnerabilities rated as Important, such as CVE-2026-68121 and CVE-2026-74469, with CVSS scores of 7.8 and 8.8 respectively. Users are advised to apply the updates immediately and reboot their systems to mitigate risks. The advisories highlight the importance of keeping systems updated to prevent exploitation of these vulnerabilities.

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Timeline

2025-10-13
CVE-2025-39964 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-06
CVE-2026-43074 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-21
CVE-2026-43499 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-30
CVE-2026-46242 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-25
CVE-2026-53166 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-08-10
CVE-2026-68121 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-08-15
CVE-2026-74480 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-08-15
CVE-2026-74469 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-08-21
CVE-2026-74581 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-09-11
CVE-2026-81000 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE

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Common questions

What are the critical CVEs mentioned?
The critical CVEs include CVE-2026-74480 and CVE-2026-74581, both with a CVSS score of 9.8.
How should I apply the updates?
Follow the instructions in the advisories to apply the updates and ensure to reboot the system afterward.
Are there any known exploits for these vulnerabilities?
Currently, there are no reports of active exploitation for these vulnerabilities, but they are rated critical.