CVE-2026-98951
2026-10-23
13h17 +00:00
13h17 +00:00
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Deskripsi CVE
In the Linux kernel, the following vulnerability has been resolved:
riscv: ptrace: Zero-initialize regset buffers before copyin
user_regset_copyin() only copies `count` bytes, so a PTRACE_SETREGSET
request with a short iov_len leaves the rest of the stack buffer
uninitialized. In riscv_vr_set() that garbage is validated and copied
into the target's vstate, and in riscv_cfi_set() it can be stored as
the target's shadow stack pointer. Zero both buffers, as the get path
already does.
