CVE-2026-64258: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: remove request-less entries from ent_w_req_queue to fix NULL deref If a copy into the userspace ring buffer fails, a request will be terminated and fuse_uring_req_end() will set ent->fuse_req to NULL but it will leave the entry on ent_w_req_queue in FRRS_FUSE_REQ state. This can lead to a NULL deref if the request expiration logic scans ent_w_req_queue in the window before the entry is moved off it. Fix this by taking the entry off ent_w_req_queue and changing its state from FRRS_FUSE_REQ to FRRS_INVALID before terminating the request.

Засегнати продукти

• Linux Linux: 4fea593e625cd50d4d11be227007849b12f17bfb преди 0b466cf1b96e191b06b496c4de79da15315c3a9a; 4fea593e625cd50d4d11be227007849b12f17bfb преди 0a7f33010c0e4cd92937e088a54350381fd0fbf2; 4fea593e625cd50d4d11be227007849b12f17bfb преди 1c57a69be962d459c5e705f5cb4355b841b3461c
• Linux Linux: 6.16; преди 6.16; 6.18.39 до 6.18.*; 7.1.4 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-2026-64258
• https://nvd.nist.gov/vuln/detail/CVE-2026-64258
• https://git.kernel.org/stable/c/0b466cf1b96e191b06b496c4de79da15315c3a9a
• https://git.kernel.org/stable/c/0a7f33010c0e4cd92937e088a54350381fd0fbf2
• https://git.kernel.org/stable/c/1c57a69be962d459c5e705f5cb4355b841b3461c