Vulnerability Description
A use-after-free flaw was found in the Linux kernel MCTP (Management Component Transport Protocol) functionality. This issue occurs when a user simultaneously calls DROPTAG ioctl and socket close happens, which could allow a local user to crash the system or potentially escalate their privileges on the system.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.18, < 5.19.16 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3aMailing ListPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20230223-0005/Third Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3aMailing ListPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20230223-0005/Third Party Advisory
FAQ
What is CVE-2022-3977?
CVE-2022-3977 is a vulnerability with a CVSS score of 7.8 (HIGH). A use-after-free flaw was found in the Linux kernel MCTP (Management Component Transport Protocol) functionality. This issue occurs when a user simultaneously calls DROPTAG ioctl and socket close happ...
How severe is CVE-2022-3977?
CVE-2022-3977 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-3977?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.