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CVE-2022-0175

Status Candidate

Overview

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.

Related Files

Gentoo Linux Security Advisory 202210-05
Posted Oct 17, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202210-5 - Multiple vulnerabilities have been discovered in virglrenderer, the worst of which could result in remote code execution. Versions less than 0.10.1 are affected.

tags | advisory, remote, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2022-0135, CVE-2022-0175
SHA-256 | b254071064779769b613f8607d262dd9e3d4f0df15818f4a7f56b45b878cbaa1
Ubuntu Security Notice USN-5309-1
Posted Mar 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5309-1 - It was discovered that virglrenderer incorrectly handled memory. An attacker inside a guest could use this issue to cause virglrenderer to crash, resulting in a denial of service, or possibly execute arbitrary code. It was discovered that virglrenderer incorrectly initialized memory. An attacker inside a guest could possibly use this issue to obtain sensitive host information.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2022-0135, CVE-2022-0175
SHA-256 | ab9f417bca8301a1ebf7d28154f0b01717304bdddbffd6ad6764daabe360354a
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