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2026年9月4日

CVE-2026-63824 [HIGH] – In the Linux kernel, the following vulnerability has been resolved: KEYS: fix overflow in

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In the Linux kernel, the following vulnerability has been resolved:

KEYS: fix overflow in keyctl_pkey_params_get_2()

The length for the internal output buffer is calculated incorrectly, which
can result overflow when a too small buffer is provided.

Fix the bug by allocating internal output with the size of the maximum
length of the cryptographic primitive instead of caller provided size.