CVE-2026-45971: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: bpf: Limit bpf program signature size Practical BPF signatures are significantly smaller than KMALLOC_MAX_CACHE_SIZE Allowing larger sizes opens the door for abuse by passing excessive size values and forcing the kernel into expensive allocation paths (via kmalloc_large or vmalloc).

Засегнати продукти

• Linux Linux: 349271568303695f0ac3563af153d2b4542f6986 преди 5835a077c6f5c565d525eaca9fac01572b97a9b9; 349271568303695f0ac3563af153d2b4542f6986 преди eb8166c79097996396468a341de258a798789d36; 349271568303695f0ac3563af153d2b4542f6986 преди ea1535e28bb3773fc0b3cbd1f3842b808016990c
• Linux Linux: 6.18; преди 6.18; 6.18.14 до 6.18.*; 6.19.4 до 6.19.*; от 7.0 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99268
• CVE-2026-99266
• CVE-2026-99267

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-45971
• https://nvd.nist.gov/vuln/detail/CVE-2026-45971
• https://git.kernel.org/stable/c/5835a077c6f5c565d525eaca9fac01572b97a9b9
• https://git.kernel.org/stable/c/eb8166c79097996396468a341de258a798789d36
• https://git.kernel.org/stable/c/ea1535e28bb3773fc0b3cbd1f3842b808016990c