CVE-2022-47942
Severity CVSS v4.0:
Pending analysis
Type:
CWE-787
Out-of-bounds Write
Publication date:
23/12/2022
Last modified:
15/04/2025
Description
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 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.
Impact
Base Score 3.x
8.80
Severity 3.x
HIGH
Vulnerable products and versions
CPE | From | Up to |
---|---|---|
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.15 (including) | 5.15.62 (excluding) |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.16 (including) | 5.18.18 (excluding) |
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 5.19 (including) | 5.19.2 (excluding) |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://www.openwall.com/lists/oss-security/2022/12/23/10
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7
- https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7
- https://www.zerodayinitiative.com/advisories/ZDI-22-1688/
- http://www.openwall.com/lists/oss-security/2022/12/23/10
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7
- https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7
- https://www.zerodayinitiative.com/advisories/ZDI-22-1688/