CVE-2026-80524: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: optee: ffa: Add NULL check in optee_ffa_lend_protmem Sashiko (locally) reports a possible null dereference under memory pressure due to the lack of validation of the allocated pointer. Fix that by adding the missing check.

Засегнати продукти

• Linux Linux: 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf преди 0977a6f23439616701282fc4cb38eca40f36fec6; 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf преди 94bf4fe0e46349c4e73df66dcda073187bc90cc1; 2b78d79cdf963e09ec8b90c55216b6ab5a83dbaf преди 650c88738ae8976f46ba71b24dd8aa311adc6fde
• Linux Linux: 6.18; преди 6.18; 6.18.57 до 6.18.*; 7.1.10 до 7.1.*; 7.2 до *

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-2026-80524
• https://nvd.nist.gov/vuln/detail/CVE-2026-80524
• https://git.kernel.org/stable/c/0977a6f23439616701282fc4cb38eca40f36fec6
• https://git.kernel.org/stable/c/94bf4fe0e46349c4e73df66dcda073187bc90cc1
• https://git.kernel.org/stable/c/650c88738ae8976f46ba71b24dd8aa311adc6fde