CVE-2026-90416
2026-09-17
17h17 +00:00
17h17 +00:00
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Tetap terinformasi tentang perubahan untuk CVE tertentu.
Deskripsi CVE
In the Linux kernel, the following vulnerability has been resolved:
RDMA/mlx5: Fix stack out-of-bounds read in cc_params debugfs
get_param() reads a congestion parameter as a u32 but formats it with the
signed "%d" into an 11-byte stack buffer. A value with bit 31 set, such as
0x80000000, renders as "-2147483648\n" whose full length is 12. snprintf()
stores only 11 bytes yet returns 12, so simple_read_from_buffer() treats 12
bytes as valid and reads one byte past lbuf[].
Size the buffer for the widest unsigned decimal, format with "%u" to match
the u32, and use scnprintf() so the length passed to
simple_read_from_buffer() reflects the bytes actually stored.
