CVE-2022-47938
MEDIUMCVSS 6.5/10EPSS 58.46%
Last modified
CVE-2022-47938 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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.. EPSS estimates a 58.46% 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. fs/ksmbd/smb2misc.c has an out-of-bounds read and OOPS for SMB2_TREE_CONNECT.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 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, Patch, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4f64c20093275f72fc8101394d75ff6a249eMailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249ePatch, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1689/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, Patch, Vendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=824d4f64c20093275f72fc8101394d75ff6a249eMailing List, Patch, Vendor Advisory
- https://github.com/torvalds/linux/commit/824d4f64c20093275f72fc8101394d75ff6a249ePatch, Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1689/Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2022-47938?
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 a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 58.46% probability of exploitation in the next 30 days.
How do I fix CVE-2022-47938?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2022-47938?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST