CVE-2026-46161
In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix divide-by-zero in setup_geo() with zero far_copies setup_geo() extracts near_copies (nc) and far_copies (fc) from the user-provided layout parameter without checking for zero. When fc=0 with the "improved" far set layout selected, 'geo->far_set_size = disks / fc' triggers a divide-by-zero. Validate nc and fc immediately after extraction, returning -1 if either is zero.
Слабость
In the Linux kernel, the following vulnerability has been resolved: md/raid10: fix divide-by-zero in setup_geo() with zero far_copies setup_geo() extracts near_copies (nc) and far_copies (fc) from the user-provided layout parameter without checking for zero. When fc=0 with the "improved" far set layout selected, 'geo->far_set_size = disks / fc' triggers a divide-by-zero. Validate nc and fc immediately after extraction, returning -1 if either is zero.
Затронутые продукты
- linux linux_kernel
Источники
- https://git.kernel.org/stable/c/0b43a70394ce492274e67463326be03e0a9897c5
- https://git.kernel.org/stable/c/4af2e558e6fdfb972c61350653fd55d1f62b60a5
- https://git.kernel.org/stable/c/553e32adfa1a96b217651139a3f8c3b92b9984ac
- https://git.kernel.org/stable/c/913d556e4bd1b56ed822815655b82c7bb54edc51
- https://git.kernel.org/stable/c/9aa6d860b0930e2f72795665c42c44252a558a0c
- https://git.kernel.org/stable/c/9d8e03b9a2b1e8ce5c198bf3a409a629f4d02cda
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