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CVE-2022-2503

Status Candidate

Overview

Dm-verity is used for extending root-of-trust to root filesystems. LoadPin builds on this property to restrict module/firmware loads to just the trusted root filesystem. Device-mapper table reloads currently allow users with root privileges to switch out the target with an equivalent dm-linear target and bypass verification till reboot. This allows root to bypass LoadPin and can be used to load untrusted and unverified kernel modules and firmware, which implies arbitrary kernel execution and persistence for peripherals that do not verify firmware updates. We recommend upgrading past commit 4caae58406f8ceb741603eee460d79bacca9b1b5

Related Files

Ubuntu Security Notice USN-5660-1
Posted Oct 6, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5660-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33655, CVE-2022-1729, CVE-2022-2503, CVE-2022-32296, CVE-2022-36946
SHA-256 | 3fa9c60ebc5c735b20c3f02fb40da4128363e66b4616625f948ee4c8c71b6ca8
Ubuntu Security Notice USN-5654-1
Posted Oct 5, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5654-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33655, CVE-2022-1729, CVE-2022-2503, CVE-2022-32296, CVE-2022-36946
SHA-256 | fcef8524d85c9359df4ccd3789bdc823a684d3646a9a354909cc72b92658548a
Ubuntu Security Notice USN-5647-1
Posted Sep 29, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5647-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33655, CVE-2022-1729, CVE-2022-2503, CVE-2022-32296, CVE-2022-36946
SHA-256 | f646132213ac5199fd0835b743af47740f9030b83556dc9ad35a5af5da00ade0
Ubuntu Security Notice USN-5639-1
Posted Sep 27, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5639-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33655, CVE-2022-1729, CVE-2022-2503, CVE-2022-32296, CVE-2022-36946
SHA-256 | 096894dc371668fb2eeabb28308ddc62fdaa1c1a1d4f97b060b48eefdd5f6586
Ubuntu Security Notice USN-5630-1
Posted Sep 23, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5630-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of-bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33655, CVE-2022-1729, CVE-2022-2503, CVE-2022-32296, CVE-2022-36946
SHA-256 | c7c0c0227fda6e6bf4499a2c48b667c084b37cc6c2d87ab84b3410ec00d70af1
Ubuntu Security Notice USN-5623-1
Posted Sep 21, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5623-1 - Asaf Modelevsky discovered that the Intel 10GbE PCI Express Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. 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-2021-33061, CVE-2021-33655, CVE-2022-1729, CVE-2022-1852, CVE-2022-1943, CVE-2022-1973, CVE-2022-2318, CVE-2022-2503, CVE-2022-26365, CVE-2022-2873, CVE-2022-2959, CVE-2022-32296, CVE-2022-33740, CVE-2022-33743
SHA-256 | 66e07fde9b2f0ceb8d17443fb1c31d6a38d2a48d2df851450322abe3437cfe75
Ubuntu Security Notice USN-5622-1
Posted Sep 21, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5622-1 - It was discovered that the framebuffer driver on the Linux kernel did not verify size limits when changing font or screen size, leading to an out-of- bounds write. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, arbitrary, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33655, CVE-2022-1729, CVE-2022-2503, CVE-2022-32296, CVE-2022-36946
SHA-256 | 5c33f90fb992303748572c66b36601509148fb06281517205f43d8b46f9c7a99
Ubuntu Security Notice USN-5616-1
Posted Sep 19, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5616-1 - Asaf Modelevsky discovered that the Intel 10GbE PCI Express Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. Moshe Kol, Amit Klein and Yossi Gilad discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33061, CVE-2022-1729, CVE-2022-1852, CVE-2022-1943, CVE-2022-1973, CVE-2022-2503, CVE-2022-2873, CVE-2022-2959
SHA-256 | 480c1cb29e7c2e73e7609ec70dbc18c52181780c5a281e11ecbd77c9689870c2
Ubuntu Security Notice USN-5602-1
Posted Sep 9, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5602-1 - Asaf Modelevsky discovered that the Intel 10GbE PCI Express Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. It was discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33061, CVE-2022-1012, CVE-2022-1729, CVE-2022-1852, CVE-2022-1943, CVE-2022-1973, CVE-2022-2503, CVE-2022-2873, CVE-2022-2959
SHA-256 | ce844e4f8d52119424aa42281985343f750bff17c8cdf3876b66566fda087ec6
Ubuntu Security Notice USN-5599-1
Posted Sep 6, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5599-1 - Asaf Modelevsky discovered that the Intel 10GbE PCI Express Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. It was discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33061, CVE-2022-1012, CVE-2022-1729, CVE-2022-1852, CVE-2022-1943, CVE-2022-1973, CVE-2022-2503, CVE-2022-2873, CVE-2022-2959
SHA-256 | 93a0fffdb9bdecaf73b6f7226dc56860742cad85bcdf32219614f6a28dc7554e
Ubuntu Security Notice USN-5594-1
Posted Sep 2, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5594-1 - Asaf Modelevsky discovered that the Intel 10GbE PCI Express Ethernet driver for the Linux kernel performed insufficient control flow management. A local attacker could possibly use this to cause a denial of service. It was discovered that the IP implementation in the Linux kernel did not provide sufficient randomization when calculating port offsets. An attacker could possibly use this to expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2021-33061, CVE-2022-1012, CVE-2022-1729, CVE-2022-1852, CVE-2022-1943, CVE-2022-1973, CVE-2022-2503, CVE-2022-2873, CVE-2022-2959
SHA-256 | 198d9cd81e4c1e3919251bb33f6661917965b696e4cdf83ea360da906569dc2c
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