Published: 23/12/2022 Updated: 16/05/2023

CVSS v3 Base Score: 8.1 | Impact Score: 5.2 | Exploitability Score: 2.8

VMScore: 0

An issue exists in ksmbd in the Linux kernel 5.15 up to and including 5.19 prior to 5.19.2. There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case.

Vulnerable Product	Search on Vulmon	Subscribe to Product
linux linux kernel

DescriptionThe MITRE CVE dictionary describes this issue as: An issue was discovered in ksmbd in the Linux kernel 515 through 519 before 5192 There is an out-of-bounds read and OOPS for SMB2_WRITE, when there is a large length in the zero DataOffset case ...

out-of-bounds read memory can be written to a file, if DataOffset is 0 and Length is too large in SMB2_WRITE request of compound request in fs/ksmbd/smb2miscc can allow a remote authenticated attacker to disclose sensitive information ...

CWE-125 https://github.com/torvalds/linux/commit/ac60778b87e45576d7bfdbd6f53df902654e6f09 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ac60778b87e45576d7bfdbd6f53df902654e6f09 https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 http://www.openwall.com/lists/oss-security/2022/12/23/10 https://www.zerodayinitiative.com/advisories/ZDI-22-1691/https://security.netapp.com/advisory/ntap-20230216-0006/https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2022-47943

Get Started

Vulmon Search is a vulnerability search engine. It gives comprehensive vulnerability information through a very simple user interface.

Home Recent Vulnerabilities Research Posts Trends Blog About Contact

Vulmon Search Vulmon Research Vulmon Alerts Vulmap

Twitter Reddit Linkedin Facebook

CVE-2022-47943

Vulnerability Summary

Vulnerability Trend

Vendor Advisories

References

Vulmon Search

About

Products

Connect