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CVE-2023-3161

Status Candidate

Overview

A flaw was found in the Framebuffer Console (fbcon) in the Linux Kernel. When providing font->width and font->height greater than 32 to fbcon_set_font, since there are no checks in place, a shift-out-of-bounds occurs leading to undefined behavior and possible denial of service.

Related Files

Ubuntu Security Notice USN-6832-1
Posted Jun 14, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6832-1 - Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker could possibly use this issue to crash the program, resulting in a denial of service. Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker could possibly use this issue to crash the program, resulting in a denial of service. This issue only affects Ubuntu 22.04 LTS, Ubuntu 23.10 and Ubuntu 24.04 LTS.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2023-31607, CVE-2023-31611, CVE-2023-31615, CVE-2023-31616, CVE-2023-31619, CVE-2023-31623
SHA-256 | 434f0a9b71e494daacdc7a83f0cb6d78373c1290c01dfa7008dc71d6637b953c
Ubuntu Security Notice USN-6254-1
Posted Jul 27, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6254-1 - Jordy Zomer and Alexandra Sandulescu discovered that syscalls invoking the do_prlimit function in the Linux kernel did not properly handle speculative execution barriers. A local attacker could use this to expose sensitive information. It was discovered that a race condition existed in the btrfs file system 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 expose sensitive information.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-0458, CVE-2023-1611, CVE-2023-2124, CVE-2023-2162, CVE-2023-2513, CVE-2023-3090, CVE-2023-3141, CVE-2023-3159, CVE-2023-3161, CVE-2023-3268, CVE-2023-3390, CVE-2023-35001
SHA-256 | 0faaa1a4c904d2777eb8f39748a9d767eddb9f41659d19079b8dcbea4f5d81ef
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