CVE-2022-47938

Description

An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.29%
Vendor Advisory kernel.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2 mailing list patch vendor advisory
https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249e third party advisory patch
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4f64c20093275f72fc8101394d75ff6a249e mailing list patch vendor advisory
https://www.zerodayinitiative.com/advisories/ZDI-22-1689/ vdb entry third party advisory
http://www.openwall.com/lists/oss-security/2022/12/23/10 third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2022-47938?
CVE-2022-47938 has been scored as a medium severity vulnerability.
How to fix CVE-2022-47938?
To fix CVE-2022-47938, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-47938 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-47938 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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