CVE-2026-68270: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: drm/sysfb: Avoid possible truncation with calculating visible size Calculating the visible size of the system framebuffer can result in truncation of the result. The calculation uses 32-bit arithmetics, which can overflow if the values for height and stride are large. Fix the issue by multiplying with mul_u32_u32().

Засегнати продукти

• Linux Linux: 32ae90c66fb62e4f6ae859422f733dfb249f10cf преди 154795885e8f0033c918c815aece543168bee670; 32ae90c66fb62e4f6ae859422f733dfb249f10cf преди 9d58a811739a365cd693192f4b5344d736967a88; 32ae90c66fb62e4f6ae859422f733dfb249f10cf преди b771974988ec7ce077a7246fa0fa588c246fe581
• Linux Linux: 6.16; преди 6.16; 6.18.42 до 6.18.*; 7.1.6 до 7.1.*; от 7.2 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-2026-68270
• https://nvd.nist.gov/vuln/detail/CVE-2026-68270
• https://git.kernel.org/stable/c/154795885e8f0033c918c815aece543168bee670
• https://git.kernel.org/stable/c/9d58a811739a365cd693192f4b5344d736967a88
• https://git.kernel.org/stable/c/b771974988ec7ce077a7246fa0fa588c246fe581