Vulnerability Description
An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.61 |
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=aa725Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad91PatchThird Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1687/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=aa725Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/aa7253c2393f6dcd6a1468b0792f6da76edad91PatchThird Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-22-1687/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2022-47941?
CVE-2022-47941 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2_handle_negotiate error conditions, aka a memory leak.
How severe is CVE-2022-47941?
CVE-2022-47941 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-47941?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.