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CVE-2025-39822 PUBLISHED CVSS 5.5 MEDIUM

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.

EPSS 0.02% · 5.2th percentile

Risk Scores

CVSS v3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.02%
5.2th percentile

Affected Products

VendorProductVersions
linuxlinux_kernel6.15, 6.12, 6.17
LinuxLinuxcf9536e550dd243a1681fdbf804221527da20a80, c4dbca5be33c6203d2f611dbd7502f887e4cd954, 6.15

Timeline

References

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