Out-of-bounds Read in Linux Kernel
CVE-2022-47940
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.18 before 5.18.18. fs/ksmbd/smb2pdu.c lacks length validation in the non-padding case in smb2_write.
Vulnerability class: Buffer Overflow
EPSS: 0.014 (70.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
Affected products
- Linux Linux_kernel
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Patch, Mailing List, Vendor Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Patch, Mailing List, Vendor Advisory)
- cve@mitre.org (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-47940?
- CVE-2022-47940 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2022-12-23.
- How severe is CVE-2022-47940?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2022-47940 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.