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CVE-2021-28691

🗓️ 29 Jun 2021 12:15:00Reported by ubuntu.comType 
ubuntucve
 ubuntucve
🔗 ubuntu.com👁 43 Views

Guest triggered use-after-free in Linux xen-netback by a malicious or buggy network PV frontend can force interface disable and terminate receive kernel thread for queue

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu21.04anylinux5.11.0-31.33linux_5.11.0-31.33_any.deb
Ubuntu21.04anylinux-aws5.11.0-1016.17linux-aws_5.11.0-1016.17_any.deb
Ubuntu20.04anylinux-aws-5.115.11.0-1016.17~20.04.1linux-aws-5.11_5.11.0-1016.17~20.04.1_any.deb
Ubuntu20.04anylinux-aws-5.85.8.0-1042.44~20.04.1linux-aws-5.8_5.8.0-1042.44~20.04.1_any.deb
Ubuntu21.04anylinux-azure5.11.0-1013.14linux-azure_5.11.0-1013.14_any.deb
Ubuntu20.04anylinux-azure-5.115.11.0-1013.14~20.04.1linux-azure-5.11_5.11.0-1013.14~20.04.1_any.deb
Ubuntu20.04anylinux-azure-5.85.8.0-1040.43~20.04.1linux-azure-5.8_5.8.0-1040.43~20.04.1_any.deb
Ubuntu21.04anylinux-gcp5.11.0-1017.19linux-gcp_5.11.0-1017.19_any.deb
Ubuntu20.04anylinux-gcp-5.115.11.0-1017.19~20.04.1linux-gcp-5.11_5.11.0-1017.19~20.04.1_any.deb
Ubuntu20.04anylinux-gcp-5.85.8.0-1039.41linux-gcp-5.8_5.8.0-1039.41_any.deb
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25 Aug 2025 23:34Current
6.7Medium risk
Vulners AI Score6.7
CVSS 24.6
CVSS 3.17.8
EPSS0.00361
43