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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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade virglrenderer | Aug 22, 2024 | Aug 26, 2022 |
| Gentoo Linux | — | Upgrade media-libs/virglrenderer. | Oct 17, 2022 | Aug 26, 2022 |
| Suse | — | Upgrade virglrenderer-develUpgrade libvirglrenderer1Upgrade libvirglrenderer0Upgrade virglrenderer-test-server | Feb 12, 2022 | Jan 18, 2022 |
| Ubuntu | — | Upgrade libvirglrenderer1 | Mar 22, 2023 | Aug 26, 2022 |
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