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CVE-2022-21166

Status Candidate

Overview

This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.

Related Files

Ubuntu Security Notice USN-5486-1
Posted Jun 20, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5486-1 - It was discovered that some Intel processors did not implement sufficient control flow management. A local attacker could use this to cause a denial of service. Joseph Nuzman discovered that some Intel processors did not properly initialise shared resources. A local attacker could use this to obtain sensitive information. Mark Ermolov, Dmitry Sklyarov and Maxim Goryachy discovered that some Intel processors did not prevent test and debug logic from being activated at runtime. A local attacker could use this to escalate privileges.

tags | advisory, denial of service, local
systems | linux, ubuntu
advisories | CVE-2021-0127, CVE-2021-0145, CVE-2021-0146, CVE-2021-33117, CVE-2021-33120, CVE-2022-21127, CVE-2022-21151, CVE-2022-21166
SHA-256 | 7154bcd5aff205c57ae30b210e1bde57d7de007b20d635b85df4852970237c7e
Ubuntu Security Notice USN-5485-1
Posted Jun 20, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5485-1 - It was discovered that some Intel processors did not completely perform cleanup actions on multi-core shared buffers. A local attacker could possibly use this to expose sensitive information. It was discovered that some Intel processors did not completely perform cleanup actions on microarchitectural fill buffers. A local attacker could possibly use this to expose sensitive information. It was discovered that some Intel processors did not properly perform cleanup during specific special register write operations. A local attacker could possibly use this to expose sensitive information.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2022-21123, CVE-2022-21125, CVE-2022-21166
SHA-256 | 712ea0fa8cca54c56dcdee1163b6c9f9af4877ee2b821344703659e1956a2b24
Ubuntu Security Notice USN-5484-1
Posted Jun 20, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5484-1 - It was discovered that the Linux kernel did not properly restrict access to the kernel debugger when booted in secure boot environments. A privileged attacker could use this to bypass UEFI Secure Boot restrictions. It was discovered that a race condition existed in the network scheduling subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-39713, CVE-2022-21123, CVE-2022-21125, CVE-2022-21166, CVE-2022-21499
SHA-256 | 6ec0ae0395c19c7e5a1cccd288c838331c898658993f20553714a1b880f284f3
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