CVE-2026-80765: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: HID: hyperv: validate initial device info bounds The Hyper-V synthetic HID host supplies SYNTH_HID_INITIAL_DEVICE_INFO messages that contain a HID descriptor followed by the report descriptor bytes. mousevsc_on_receive_device_info() trusts bLength and wDescriptorLength without checking that the received packet contains both byte ranges. A malformed host or backend message can therefore make the guest read past the received VMBus packet while copying the report descriptor. Pass the received initial-device-info size into the parser and reject descriptor lengths that exceed the packet. Impact: A malicious Hyper-V host or backend can crash a guest by sending a short initial device-info message with an oversized HID report descriptor length.

Засегнати продукти

• Linux Linux: b95f5bcb811e3905b5376f87789da8d097fee682 преди e0d5d3e45e142b7ef7525654aaa54d3e986002a6; b95f5bcb811e3905b5376f87789da8d097fee682 преди 390d3d9c52a710fdc9de95a537747397c0c671d1; b95f5bcb811e3905b5376f87789da8d097fee682 преди 8614c043b11cc35ffebd35542ab4da275f8f923d; b95f5bcb811e3905b5376f87789da8d097fee682 преди 334271d3812ab3197c95b4593bc6745f8d189114; b95f5bcb811e3905b5376f87789da8d097fee682 преди f84d777574b748b1a488723ca7be9d87a301a872; b95f5bcb811e3905b5376f87789da8d097fee682 преди 608f8fd8c0f7b6268da43509447802955f210aac; b95f5bcb811e3905b5376f87789da8d097fee682 преди 2529737763cb4bcfcaf397beeea2664656c865b4; b95f5bcb811e3905b5376f87789da8d097fee682 преди c894143c508a7e063aab9f73c9e835ab40121283; b95f5bcb811e3905b5376f87789da8d097fee682 преди 934b7778aa7b7c8f6bb073d2a73ba3674885bae0
• Linux Linux: 3.3; преди 3.3; 5.10.267 до 5.10.*; 5.15.218 до 5.15.*; 6.1.185 до 6.1.*; 6.6.154 до 6.6.*; 6.12.106 до 6.12.*; 6.18.47 до 6.18.*; 7.1.11 до 7.1.*; 7.2.1 до 7.2.*; от 7.3 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-2026-80765
• https://nvd.nist.gov/vuln/detail/CVE-2026-80765
• https://git.kernel.org/stable/c/e0d5d3e45e142b7ef7525654aaa54d3e986002a6
• https://git.kernel.org/stable/c/390d3d9c52a710fdc9de95a537747397c0c671d1
• https://git.kernel.org/stable/c/8614c043b11cc35ffebd35542ab4da275f8f923d
• https://git.kernel.org/stable/c/334271d3812ab3197c95b4593bc6745f8d189114
• https://git.kernel.org/stable/c/f84d777574b748b1a488723ca7be9d87a301a872
• https://git.kernel.org/stable/c/608f8fd8c0f7b6268da43509447802955f210aac
• https://git.kernel.org/stable/c/2529737763cb4bcfcaf397beeea2664656c865b4
• https://git.kernel.org/stable/c/c894143c508a7e063aab9f73c9e835ab40121283
• https://git.kernel.org/stable/c/934b7778aa7b7c8f6bb073d2a73ba3674885bae0