CVE-2022-47942 Information

Description

An issue was discovered in ksmbd in the Linux kernel before 5.19.2. There is a heap-based buffer overflow in set_ntacl_dacl related to use of SMB2_QUERY_INFO_HE after a malformed SMB2_SET_INFO_HE command.

Reference

https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 http://www.openwall.com/lists/oss-security/2022/12/23/10