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charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Sun, 19 Jul 2026 16:57:25 +0200, Greg Kroah-Hartman wrote: > ethtool: eeprom: add more safeties to EEPROM Netlink fallback >=20 > The Netlink fallback path for reading module EEPROM > (fallback_set_params()) validates that offset < eeprom_len, > but does not check that offset + length stays within eeprom_len. > The ioctl equivalent (ethtool_get_any_eeprom() in ioctl.c) has > always enforced both bounds: >=20 > if (eeprom.offset + eeprom.len > total_len) > return -EINVAL; >=20 > This could lead to surprises in both drivers and device FW. > Add the missing offset + length validation to fallback_set_params(), > mirroring the ioctl. >=20 > Similarly - ethtool core in general, and ethtool_get_any_eeprom() > in particular tries to zero-init all buffers passed to the drivers > to avoid any extra work of zeroing things out. eeprom_fallback() > uses a plain kmalloc(), change it to zalloc. >=20 > The Linux kernel CVE team has assigned CVE-2026-63985 to this issue. IIUC this is a defensive fix. Does it fix any reported problem for it to be a CVE? Thanks, Siddh --=-dD8mYnopjlUccDOZf0dd Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEQ4+7hHLv3y1dvdaRBwq/MEwk8ioFAmprR1UACgkQBwq/MEwk 8iphww/+N1ASUfYaKXoPthvLVCBdf20KZMvkWN7pJsbnWlAJCVWR0xBtatXCCfzI YhRtD/Z1vU4dorIWjtId1aXwRYlO5JGxING2UwzfV6MK7b9FOtZgES0ixgwOsju7 F1DrQzMdxihwVKysQzVa1yOEVGIIX5aDkZxVQVV6UCYTIoji7Ci1vu9LBAFW2qWX UOmVJU3mkd2rEtRT7KRxQbTyaCSB9d118VdIrrJijH8DjZHsx9TwVrgQ6/vNCwVV HEd4TGN4+aWSdHsl7LxtLLE9x8wJkLA3kguuqOU+J6a3l9PcPs17W3dLQ9muvw6f unBjldfvwlvKq/sChxegY2V+xJRMR3H7zI8zC/c6mob5AkT1f0E4kJuivfzXI5Ik SH6Zjcw/CTWp6oelKDYvq1WdJi1rb9ujCce9WrxTNnKXMwAlMsVCjSvx2CG+OaOD KaLRWRHIpvACXpDrphEy24xHHK8i3MFFo5+im8iqfRwTpZsjU3dBRZmE8+ZK5dB/ A/ohy4TWh7ZU71SkdS4oIdQMwPO2jf9kbka7jJZbaD63k5SlcnJTPpaBxJ2+NhPa nNXKT7HQXNURYdI8vQzzteoUklicYuWZ4FkEqQ/GTdjsVGBHEz3ljh+dWmfuXcB5 OaCz1fYO5NBd9YuoreOkuf744VLb/XnFgusZz4FuP/EODNNeSq0= =1HKv -----END PGP SIGNATURE----- --=-dD8mYnopjlUccDOZf0dd--