CVE-2025-37952 - Samba Linux Kernel Use-After-Free Vulnerability

CVE-2025-37952 - Samba Linux Kernel Use-After-Free Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Tue, 05/20/2025 - 20:41
CVE ID : CVE-2025-37952
Published : May 20, 2025, 4:15 p.m. | 54 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix UAF in __close_file_table_ids A use-after-free is possible if one thread destroys the file via __ksmbd_close_fd while another thread holds a reference to it. The existing checks on fp->refcount are not sufficient to prevent this. The fix takes ft->lock around the section which removes the file from the file table. This prevents two threads acquiring the same file pointer via __close_file_table_ids, as well as the other functions which retrieve a file from the IDR and which already use this same lock.
Severity: 0.0 | NA
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