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Oracle Linux Kernel Security Updates Address Multiple Vulnerabilities

Oracle Linux Kernel Security Updates Address Multiple Vulnerabilities

First seen 23 Jun 2026, 06:36 UTC • •
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ThreatCluster AI
ThreatCluster •June 24, 2026 at 06:30 UTC
  • •Oracle Linux kernel updates released on June 23, 2026, addressing multiple CVEs.
  • •Critical vulnerabilities include use-after-free and denial of service issues.
  • •Users are urged to apply patches immediately to mitigate risks.

On June 23, 2026, Oracle released significant kernel security updates for Oracle Linux, addressing multiple vulnerabilities, including CVE-2026-23272, CVE-2026-31419, CVE-2026-31533, CVE-2026-31657, CVE-2026-31669, and CVE-2026-43074. These vulnerabilities include use-after-free issues and potential denial of service conditions affecting various components of the Linux kernel. The updates are crucial for users of Oracle Linux 9 and earlier versions, as they mitigate risks associated with these vulnerabilities. The updates include kernel packages such as kernel-uek and kernel-uek-core. Users are advised to apply the patches immediately to safeguard their systems against potential exploitation. The vulnerabilities were disclosed between March and May 2026, with some having known exploits. The updates are available for download from Oracle's advisory pages.

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Timeline

2026-03-20
CVE-2026-23272 published
A vulnerability in netfilter that could lead to denial of service was disclosed.
Linuxsecurity
2026-04-13
CVE-2026-31419 published
A use-after-free vulnerability in bonding was disclosed, affecting network operations.
Linuxsecurity
2026-04-22
CVE-2026-31504 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-04-23
CVE-2026-31533 published
A use-after-free vulnerability in TLS encryption was disclosed, impacting secure communications.
Linuxsecurity
2026-04-24
CVE-2026-31657 and CVE-2026-31669 published
Multiple use-after-free vulnerabilities were disclosed, affecting various kernel components.
Linuxsecurity
2026-05-01
CVE-2026-43037 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-05-06
CVE-2026-43074 published
A vulnerability in eventpoll was disclosed, allowing potential denial of service.
Linuxsecurity
2026-05-21
CVE-2026-43499 published
Vulnerability assigned a CVE identifier and published in the National Vulnerability Database.
MITRE
2026-06-23
Oracle Linux kernel updates released
Oracle released kernel updates addressing multiple vulnerabilities, urging users to patch immediately.
Linuxsecurity

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