CVE-2026-98341: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: wifi: cfg80211: don't free driver-owned scan requests When an interface goes down while a scan is running, cfg80211 completes the scan towards userspace and frees the scan request. However, the driver can be convinced that it owns the request, since the cancellation is (intended to be) asynchronous. The WARN_ON() in the netdev notifier was meant to catch this, but it's not actually avoidable, so it triggers and we get a UAF in scan_done(). There doesn't seem to be a great way around it, so just track that the driver is still convinced it owns the request, and then just free it on completion if it was already cancelled. Also remove the warnings since they can trigger in the intended architecture.

Засегнати продукти

• Linux Linux: 4a58e7c38443154fce1b47910e1a9184f65c5d72 преди e8c75736cfd0c6c87562cda2312e3fe5e2227955; 4a58e7c38443154fce1b47910e1a9184f65c5d72 преди cf6da29d17994865f73ca70976495ea856909c63; 4a58e7c38443154fce1b47910e1a9184f65c5d72 преди dab68a74e90b8e07f08ed9deaa5884857a3cfe89
• Linux Linux: 3.14; преди 3.14; 6.18.54 до 6.18.*; 7.2.8 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-2026-98341
• https://nvd.nist.gov/vuln/detail/CVE-2026-98341
• https://git.kernel.org/stable/c/e8c75736cfd0c6c87562cda2312e3fe5e2227955
• https://git.kernel.org/stable/c/cf6da29d17994865f73ca70976495ea856909c63
• https://git.kernel.org/stable/c/dab68a74e90b8e07f08ed9deaa5884857a3cfe89