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USN-5014-1: Linux kernel vulnerability

🗓️ 20 Jul 2021 21:33:45Reported by UbuntuType 
ubuntu
 ubuntu🔗 ubuntu.com👁 136 Views

Vulnerability in Linux kernel for multiple Ubuntu releases, including Ubuntu 21.04, 18.04 ESM, 16.04 ESM, and 14.04 ESM. Vulnerability allows local attacker to cause denial of service or execute arbitrary code due to an unsigned to signed integer conversion error in the virtual file system implementation. Applies to various Linux kernel packages including linux, linux-aws, linux-azure, linux-gcp, linux-gke-5.3, linux-hwe, linux-kvm, linux-lts-xenial, linux-oracle, linux-raspi, and linux-raspi2-5.3

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OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04amd64block-modules-5.3.0-76-generic-di5.3.0-76.72block-modules-5.3.0-76-generic-di_5.3.0-76.72_amd64.deb
Ubuntu18.04i386block-modules-5.3.0-76-generic-di5.3.0-76.72block-modules-5.3.0-76-generic-di_5.3.0-76.72_i386.deb
Ubuntu18.04amd64crypto-modules-5.3.0-76-generic-di5.3.0-76.72crypto-modules-5.3.0-76-generic-di_5.3.0-76.72_amd64.deb
Ubuntu18.04i386crypto-modules-5.3.0-76-generic-di5.3.0-76.72crypto-modules-5.3.0-76-generic-di_5.3.0-76.72_i386.deb
Ubuntu18.04amd64fat-modules-5.3.0-76-generic-di5.3.0-76.72fat-modules-5.3.0-76-generic-di_5.3.0-76.72_amd64.deb
Ubuntu18.04i386fat-modules-5.3.0-76-generic-di5.3.0-76.72fat-modules-5.3.0-76-generic-di_5.3.0-76.72_i386.deb
Ubuntu18.04amd64fb-modules-5.3.0-76-generic-di5.3.0-76.72fb-modules-5.3.0-76-generic-di_5.3.0-76.72_amd64.deb
Ubuntu18.04i386fb-modules-5.3.0-76-generic-di5.3.0-76.72fb-modules-5.3.0-76-generic-di_5.3.0-76.72_i386.deb
Ubuntu18.04amd64firewire-core-modules-5.3.0-76-generic-di5.3.0-76.72firewire-core-modules-5.3.0-76-generic-di_5.3.0-76.72_amd64.deb
Ubuntu18.04i386firewire-core-modules-5.3.0-76-generic-di5.3.0-76.72firewire-core-modules-5.3.0-76-generic-di_5.3.0-76.72_i386.deb
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20 Jul 2021 21:33Current
7.2High risk
Vulners AI Score7.2
CVSS 27.2
CVSS 3.17.8
EPSS0.01783
ubuntulinux kernelvulnerabilitydenial of servicearbitrary code executionvirtual file systemlocal attackeresmawsazuregcpgkehwekvmlts-xenialoracleraspberry piv8system crashinteger conversion error
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