Vulnerability 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.
CVSS Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.19.2 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2022/12/23/10Mailing ListThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2Mailing ListPatchVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249PatchThird Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1689/Third Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2022/12/23/10Mailing ListThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.2Mailing ListPatchVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249PatchThird Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1689/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2022-47938?
CVE-2022-47938 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.
How severe is CVE-2022-47938?
CVE-2022-47938 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-47938?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.