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CVE-2022-42721

Status Candidate

Overview

A list management bug in BSS handling in the mac80211 stack in the Linux kernel 5.1 through 5.19.x before 5.19.16 could be used by local attackers (able to inject WLAN frames) to corrupt a linked list and, in turn, potentially execute code.

Related Files

Ubuntu Security Notice USN-5752-1
Posted Dec 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5752-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-2602, CVE-2022-41674, CVE-2022-42719, CVE-2022-42720, CVE-2022-42721, CVE-2022-42722
SHA-256 | 05aa0cd46145a27b1c0c31ef2c85839a398ff8a121c80b0e6376868c17e8e519
Kernel Live Patch Security Notice LSN-0090-1
Posted Nov 21, 2022
Authored by Benjamin M. Romer

David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem in the Linux kernel, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux
advisories | CVE-2022-1015, CVE-2022-2602, CVE-2022-41674, CVE-2022-42720, CVE-2022-42721, CVE-2022-42722
SHA-256 | c8b54fe7071577436d5dc780fd7a8a538a0ac9493dd4e3362ddd475aa5896c8c
Ubuntu Security Notice USN-5708-1
Posted Nov 1, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5708-1 - Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code. Soenke Huster discovered that a use-after-free vulnerability existed in the WiFi driver stack in the Linux kernel. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel
systems | linux, ubuntu
advisories | CVE-2022-41674, CVE-2022-42719, CVE-2022-42720, CVE-2022-42721, CVE-2022-42722
SHA-256 | bc5ae1b8d6bf34e31266725c8c1caffc9378c22de4a12756aae131eae3a95052
Ubuntu Security Notice USN-5700-1
Posted Oct 26, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5700-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-2602, CVE-2022-41674, CVE-2022-42719, CVE-2022-42720, CVE-2022-42721, CVE-2022-42722
SHA-256 | 0616f23cc8d31e59366551307b7cb748d2fd1d2a034df03ec9337c439f4db07f
Ubuntu Security Notice USN-5692-1
Posted Oct 20, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5692-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-2602, CVE-2022-41674, CVE-2022-42719, CVE-2022-42720, CVE-2022-42721, CVE-2022-42722
SHA-256 | 338493434a5be8c82f48711bc041582c907cf71deac0cac516932ba12962a7c5
Ubuntu Security Notice USN-5691-1
Posted Oct 20, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5691-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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. Soenke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading to a buffer overflow. A physically proximate attacker could use this to cause a denial of service or possibly execute arbitrary code.

tags | advisory, denial of service, overflow, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2022-2602, CVE-2022-41674, CVE-2022-42720, CVE-2022-42721
SHA-256 | b0d11c2875faf5dc0eba66e1a8fa7047568fc779aa888e03ead6fda5bf33cc46
Ubuntu Security Notice USN-5693-1
Posted Oct 20, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5693-1 - David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the io_uring subsystem 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. Duoming Zhou discovered that race conditions existed in the timer handling implementation of the Linux kernel's Rose X.25 protocol layer, resulting in use-after-free vulnerabilities. A local attacker could use this to cause a denial of service.

tags | advisory, denial of service, arbitrary, kernel, local, vulnerability, protocol
systems | linux, ubuntu
advisories | CVE-2022-2318, CVE-2022-2602, CVE-2022-2978, CVE-2022-3028, CVE-2022-40768, CVE-2022-41674, CVE-2022-42719, CVE-2022-42720, CVE-2022-42721, CVE-2022-42722
SHA-256 | b188fde6f7ada8ed2d80d51cefde2cc926159548905b92f8f3334d7b98c585e1
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