CVE-2026-90045 | BDVDB-2026-375325 Detail
LinuxLinux
Description#
In the Linux kernel, the following vulnerability has been resolved: USB: gadget: ffs: fix mm lifetime handling io_data stores a pointer to the submitting task's mm_struct, but does not currently hold a reference to it while async requests are pending. This can result in a use-after-free if the task exits before completion handling finishes. Take a reference with mmgrab() when queuing the read request and release it with mmdrop() on request completion.
Impact#
Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: local.
Weaknesses#
No weakness recorded in the source data.
References#
- https://git.kernel.org/stable/c/68895e50c2250d9edd6e0a5967bf351221fd88b4
- https://git.kernel.org/stable/c/aee2fde0f39e2b667084f4d5cc323a5c5543d733
- https://git.kernel.org/stable/c/1625827648f4e1595ea6ba5521bc87ee5088b32b
- https://git.kernel.org/stable/c/f3d31484b3f26d63c09e5569ebfaa1079a17f171
- https://git.kernel.org/stable/c/7411de0ce3b45286de1de82526795658ea6eacb0
- https://git.kernel.org/stable/c/5eb5c72c72fef76cb765ef1669b62b6a3ba1bfc8
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.