CVE-2025-39822 - io_uring/kbuf: fix signedness in this_len calculation

CVE-2025-39822 - io_uring/kbuf: fix signedness in this_len calculation

https://cvefeed.io/rssfeed/latest.atom / Tue, 09/16/2025 - 17:39
CVE ID : CVE-2025-39822
Published : Sept. 16, 2025, 1 p.m. | 1 hour, 15 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: io_uring/kbuf: fix signedness in this_len calculation When importing and using buffers, buf->len is considered unsigned. However, buf->len is converted to signed int when committing. This can lead to unexpected behavior if the buffer is large enough to be interpreted as a negative value. Make min_t calculation unsigned.
Severity: 0.0 | NA
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