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CVE-2024-26988

Status Candidate

Overview

In the Linux kernel, the following vulnerability has been resolved: init/main.c: Fix potential static_command_line memory overflow We allocate memory of size 'xlen + strlen(boot_command_line) + 1' for static_command_line, but the strings copied into static_command_line are extra_command_line and command_line, rather than extra_command_line and boot_command_line. When strlen(command_line) > strlen(boot_command_line), static_command_line will overflow. This patch just recovers strlen(command_line) which was miss-consolidated with strlen(boot_command_line) in the commit f5c7310ac73e ("init/main: add checks for the return value of memblock_alloc*()")

Related Files

Ubuntu Security Notice USN-6893-3
Posted Jul 23, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6893-3 - It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-52699, CVE-2024-26811, CVE-2024-26923, CVE-2024-26926, CVE-2024-26936, CVE-2024-26980, CVE-2024-26981, CVE-2024-26983, CVE-2024-26985, CVE-2024-26987, CVE-2024-26988, CVE-2024-26989, CVE-2024-26991, CVE-2024-26992
SHA-256 | 7f62f78668bc36911b1f96b40c020e8124cd85ad4a7b7ca69e27900327bdb441
Ubuntu Security Notice USN-6893-2
Posted Jul 16, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6893-2 - It was discovered that a race condition existed in the Bluetooth subsystem in the Linux kernel when modifying certain settings values through debugfs. A privileged local attacker could use this to cause a denial of service. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system.

tags | advisory, denial of service, kernel, local
systems | linux, ubuntu
advisories | CVE-2023-52699, CVE-2024-26811, CVE-2024-26817, CVE-2024-26923, CVE-2024-26926, CVE-2024-26928, CVE-2024-26936, CVE-2024-26982, CVE-2024-26983, CVE-2024-26984, CVE-2024-26987, CVE-2024-26988, CVE-2024-26991, CVE-2024-26992
SHA-256 | 5a85950f4abbb032116aaee6852d49df3aa64a4a911cfe8aa786c9e093fa3440
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