CVE-2021-20203

Related Files

Gentoo Linux Security Advisory 202208-27

Posted Aug 15, 2022

Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202208-27 - Multiple vulnerabilities have been discovered in QEMU, the worst of which could result in remote code execution (guest sandbox escape). Versions less than 7.0.0 are affected.

tags | advisory, remote, vulnerability, code execution

systems | linux, gentoo

advisories | CVE-2020-15859, CVE-2020-15863, CVE-2020-16092, CVE-2020-35504, CVE-2020-35505, CVE-2020-35506, CVE-2020-35517, CVE-2021-20203, CVE-2021-20257, CVE-2021-20263, CVE-2021-3409, CVE-2021-3416, CVE-2021-3527, CVE-2021-3544

SHA-256 | ad311203dff6a2553339d7456d04215ce76124a29b19165d124b263667c89b9c

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Ubuntu Security Notice USN-5307-1

Posted Feb 28, 2022

Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5307-1 - Gaoning Pan discovered that QEMU incorrectly handled the floppy disk emulator. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. Gaoning Pan discovered that the QEMU vmxnet3 NIC emulator incorrectly handled certain values. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service. It was discovered that the QEMU vhost-user GPU device contained several security issues. An attacker inside the guest could use these issues to cause QEMU to crash, resulting in a denial of service, leak sensitive information, or possibly execute arbitrary code. This issue only affected Ubuntu 21.10.

tags | advisory, denial of service, arbitrary

systems | linux, ubuntu

advisories | CVE-2021-20196, CVE-2021-20203, CVE-2021-3546, CVE-2021-3682, CVE-2021-3713, CVE-2021-3748, CVE-2021-3930, CVE-2021-4158, CVE-2022-0358

SHA-256 | 93c74c6aff190d655abe77b615cbb1fdb9e7fd27501547e3980eeee5e03af9e9

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