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USN-4227-1: Linux kernel vulnerabilities

🗓️ 07 Jan 2020 02:24:33Reported by UbuntuType 
ubuntu
 ubuntu🔗 ubuntu.com👁 235 Views

Linux kernel vulnerabilities affecting Ubuntu 18.04 ESM and Ubuntu 16.04 ESM due to heap-based buffer overflows, NULL pointer dereferences, and memory vulnerabilities, leading to denial of service or possible arbitrary code execution. Spectre_RSB mitigations not properly performed for PowerPC architecture systems, leading to exposure of sensitive information

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OSOS VersionArchitecturePackagePackage VersionFilename
Ubuntu18.04amd64block-modules-4.15.0-74-generic-di4.15.0-74.84block-modules-4.15.0-74-generic-di_4.15.0-74.84_amd64.deb
Ubuntu18.04arm64block-modules-4.15.0-74-generic-di4.15.0-74.84block-modules-4.15.0-74-generic-di_4.15.0-74.84_arm64.deb
Ubuntu18.04armhfblock-modules-4.15.0-74-generic-di4.15.0-74.84block-modules-4.15.0-74-generic-di_4.15.0-74.84_armhf.deb
Ubuntu18.04i386block-modules-4.15.0-74-generic-di4.15.0-74.84block-modules-4.15.0-74-generic-di_4.15.0-74.84_i386.deb
Ubuntu18.04ppc64elblock-modules-4.15.0-74-generic-di4.15.0-74.84block-modules-4.15.0-74-generic-di_4.15.0-74.84_ppc64el.deb
Ubuntu18.04s390xblock-modules-4.15.0-74-generic-di4.15.0-74.84block-modules-4.15.0-74-generic-di_4.15.0-74.84_s390x.deb
Ubuntu18.04armhfblock-modules-4.15.0-74-generic-lpae-di4.15.0-74.84block-modules-4.15.0-74-generic-lpae-di_4.15.0-74.84_armhf.deb
Ubuntu18.04amd64crypto-modules-4.15.0-74-generic-di4.15.0-74.84crypto-modules-4.15.0-74-generic-di_4.15.0-74.84_amd64.deb
Ubuntu18.04arm64crypto-modules-4.15.0-74-generic-di4.15.0-74.84crypto-modules-4.15.0-74-generic-di_4.15.0-74.84_arm64.deb
Ubuntu18.04armhfcrypto-modules-4.15.0-74-generic-di4.15.0-74.84crypto-modules-4.15.0-74-generic-di_4.15.0-74.84_armhf.deb
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07 Jan 2020 02:24Current
7.3High risk
Vulners AI Score7.3
CVSS 210
CVSS 3.19.8
CVSS 38.8
EPSS0.16908
linux kernelubuntu 18.04 esmubuntu 16.04 esmheap-based buffer overflownull pointer dereferencedenial of servicearbitrary code executionspectre_rsb mitigationspowerpc architecturesensitive informationmemory exhaustion
235