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CVE-2022-2153

Status Candidate

Overview

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

Related Files

Ubuntu Security Notice USN-5774-1
Posted Dec 12, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5774-1 - Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-20422, CVE-2022-2153, CVE-2022-2978, CVE-2022-3028, CVE-2022-3239, CVE-2022-3524, CVE-2022-3564, CVE-2022-3565, CVE-2022-3566, CVE-2022-3567, CVE-2022-3594, CVE-2022-3621, CVE-2022-3635, CVE-2022-36879
SHA-256 | 6e56ac06b223dab70c8cc4ea9d04b28dca6d246125512b3c713e93fc6e047549
Ubuntu Security Notice USN-5728-3
Posted Nov 30, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5728-3 - Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the memory address space accounting implementation in 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-2022-20422, CVE-2022-2153, CVE-2022-2978, CVE-2022-29901, CVE-2022-3028, CVE-2022-3625, CVE-2022-3635, CVE-2022-39188, CVE-2022-40768, CVE-2022-41222, CVE-2022-42703, CVE-2022-42719
SHA-256 | ebafaab2d5db4b2842460331e69fe77801e170fb619cc3bd4e090cd8f02623de
Ubuntu Security Notice USN-5728-2
Posted Nov 21, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5728-2 - Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the memory address space accounting implementation in 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-2022-20422, CVE-2022-2153, CVE-2022-2978, CVE-2022-29901, CVE-2022-3028, CVE-2022-3625, CVE-2022-3635, CVE-2022-39188, CVE-2022-40768, CVE-2022-41222, CVE-2022-42703, CVE-2022-42719
SHA-256 | c3624c07f86cdfd2b3713a4f62018465ad2c42db0469b2ff000d4ff889d73b83
Ubuntu Security Notice USN-5727-2
Posted Nov 21, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5727-2 - It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service. It was discovered that the KVM implementation in the Linux kernel did not properly handle virtual CPUs without APICs in certain situations. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-20422, CVE-2022-2153, CVE-2022-2978, CVE-2022-3028, CVE-2022-3635, CVE-2022-36879, CVE-2022-40768
SHA-256 | 198528c181d3d41c1c6d41390038b021e5a8bb3d1e1b1bda41b1f5b01c58e2b7
Ubuntu Security Notice USN-5727-1
Posted Nov 17, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5727-1 - It was discovered that a race condition existed in the instruction emulator of the Linux kernel on Arm 64-bit systems. A local attacker could use this to cause a denial of service. It was discovered that the KVM implementation in the Linux kernel did not properly handle virtual CPUs without APICs in certain situations. A local attacker could possibly use this to cause a denial of service.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-20422, CVE-2022-2153, CVE-2022-2978, CVE-2022-3028, CVE-2022-3635, CVE-2022-36879, CVE-2022-40768
SHA-256 | c5aeb552da277840f0734207a89d8b35a628cfa276057d8cc68659f6540b4287
Ubuntu Security Notice USN-5728-1
Posted Nov 17, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5728-1 - Jann Horn discovered that the Linux kernel did not properly track memory allocations for anonymous VMA mappings in some situations, leading to potential data structure reuse. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. It was discovered that a race condition existed in the memory address space accounting implementation in 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-2022-20422, CVE-2022-2153, CVE-2022-2978, CVE-2022-29901, CVE-2022-3028, CVE-2022-3625, CVE-2022-3635, CVE-2022-39188, CVE-2022-40768, CVE-2022-41222, CVE-2022-42703, CVE-2022-42719
SHA-256 | d0a1c25c6eb1d9a7ff69a8217addefb3508ac783bad0f3c1762570c079322a29
Ubuntu Security Notice USN-5537-1
Posted Jul 29, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5537-1 - Multiple security issues were discovered in MySQL and this update includes new upstream MySQL versions to fix these issues. MySQL has been updated to 8.0.30 in Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. Ubuntu 18.04 LTS has been updated to MySQL 5.7.39. In addition to security fixes, the updated packages contain bug fixes, new features, and possibly incompatible changes.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2022-21509, CVE-2022-21525, CVE-2022-21529, CVE-2022-21537, CVE-2022-21553
SHA-256 | cdeec5366a2b7a76fe29f05a0289b9a37f2b6e645a369069aada53fbbd5ad0b1
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