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Ubuntu: USN-5309-1 (CVE-2022-0175): virglrenderer vulnerabilities

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Ubuntu: USN-5309-1 (CVE-2022-0175): virglrenderer vulnerabilities

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
08/26/2022
Created
03/29/2023
Added
03/22/2023
Modified
03/22/2023

Description

A flaw was found in the VirGL virtual OpenGL renderer (virglrenderer). The virgl did not properly initialize memory when allocating a host-backed memory resource. A malicious guest could use this flaw to mmap from the guest kernel and read this uninitialized memory from the host, possibly leading to information disclosure.

Solution(s)

  • ubuntu-upgrade-libvirglrenderer1

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