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USN-8392-1: Linux kernel vulnerabilities

🗓️ 04 Jun 2026 21:28:50Reported by UbuntuType 
ubuntu
 ubuntu🔗 ubuntu.com👁 2 Views

Linux kernel fixes Copy Fail and Dirty Frag flaws that enable privilege escalation.

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OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04anylinux-aws5.4.0.1160.170~18.04.1linux-aws_5.4.0.1160.170~18.04.1_any.deb
Ubuntu18.04anylinux-aws-5.45.4.0.1160.170~18.04.1linux-aws-5.4_5.4.0.1160.170~18.04.1_any.deb
Ubuntu18.04anylinux-aws-5.4-cloud-tools-5.4.0-11605.4.0-1160.170~18.04.1linux-aws-5.4-cloud-tools-5.4.0-1160_5.4.0-1160.170~18.04.1_any.deb
Ubuntu18.04anylinux-aws-5.4-headers-5.4.0-11605.4.0-1160.170~18.04.1linux-aws-5.4-headers-5.4.0-1160_5.4.0-1160.170~18.04.1_any.deb
Ubuntu18.04anylinux-aws-5.4-tools-5.4.0-11605.4.0-1160.170~18.04.1linux-aws-5.4-tools-5.4.0-1160_5.4.0-1160.170~18.04.1_any.deb
Ubuntu18.04anylinux-aws-edge5.4.0.1160.170~18.04.1linux-aws-edge_5.4.0.1160.170~18.04.1_any.deb
Ubuntu18.04anylinux-buildinfo-5.4.0-1160-aws5.4.0-1160.170~18.04.1linux-buildinfo-5.4.0-1160-aws_5.4.0-1160.170~18.04.1_any.deb
Ubuntu18.04anylinux-buildinfo-5.4.0-231-generic5.4.0-231.251~18.04.1linux-buildinfo-5.4.0-231-generic_5.4.0-231.251~18.04.1_any.deb
Ubuntu18.04anylinux-buildinfo-5.4.0-231-lowlatency5.4.0-231.251~18.04.1linux-buildinfo-5.4.0-231-lowlatency_5.4.0-231.251~18.04.1_any.deb
Ubuntu18.04anylinux-cloud-tools-5.4.0-1160-aws5.4.0-1160.170~18.04.1linux-cloud-tools-5.4.0-1160-aws_5.4.0-1160.170~18.04.1_any.deb
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04 Jun 2026 21:28Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17.8 - 9.8
EPSS0.40266
SSVC
Copy FailDirty FragCryptographic APIPacket socketsRDS protocolTLS protocol
2