CVE-2022-47942
Last modified
CVE-2022-47942 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 3.58% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.62 |
| Linux | Linux Kernel | >= 5.16, < 5.18.18 |
| Linux | Linux Kernel | >= 5.19, < 5.19.2 |
References
- http://www.openwall.com/lists/oss-security/2022/12/23/10Mailing List, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2Mailing List, Third Party Advisory, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7Mailing List, Patch, Third Party Advisory, Vendor Advisory
- https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7Patch, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1688/Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2022/12/23/10Mailing List, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2Mailing List, Third Party Advisory, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8f0541186e9ad1b62accc9519cc2b7a7240272a7Mailing List, Patch, Third Party Advisory, Vendor Advisory
- https://github.com/torvalds/linux/commit/8f0541186e9ad1b62accc9519cc2b7a7240272a7Patch, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1688/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-47942?
How severe is CVE-2022-47942?
How do I fix CVE-2022-47942?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2022
- CVE-2022-47937Improper input validation in the Apache Sling Commons JSON b…9.8
- CVE-2022-47938An issue was discovered in ksmbd in the Linux kernel 5.15 th…6.5
- CVE-2022-47939An issue was discovered in ksmbd in the Linux kernel 5.15 th…9.8
- CVE-2022-4794The AAWP WordPress plugin before 3.12.3 can be used to abuse…7.5
- CVE-2022-47940An issue was discovered in ksmbd in the Linux kernel 5.15 th…8.1
- CVE-2022-47941An issue was discovered in ksmbd in the Linux kernel 5.15 th…7.5
- CVE-2022-47943An issue was discovered in ksmbd in the Linux kernel 5.15 th…8.1
- CVE-2022-47945ThinkPHP Framework before 6.0.14 allows local file inclusion…9.8
- CVE-2022-47946An issue was discovered in the Linux kernel 5.10.x before 5.…5.5
- CVE-2022-47949The Nintendo NetworkBuffer class, as used in Animal Crossing…9.8
- CVE-2022-4795The Galleries by Angie Makes WordPress plugin through 1.67 d…5.4
- CVE-2022-47950An issue was discovered in OpenStack Swift before 2.28.1, 2.…6.5
Are you affected by CVE-2022-47942?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
