Vulnerability Description
A flaw was found in the Linux kernel. A memory leak problem was found in mbochs_ioctl in samples/vfio-mdev/mbochs.c in Virtual Function I/O (VFIO) Mediated devices. This flaw could allow a local attacker to leak internal kernel information.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.14.20 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-3736Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1995570Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7PatchThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-3736Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1995570Issue TrackingThird Party Advisory
- https://github.com/torvalds/linux/commit/de5494af4815a4c9328536c72741229b7de88e7PatchThird Party Advisory
FAQ
What is CVE-2021-3736?
CVE-2021-3736 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A flaw was found in the Linux kernel. A memory leak problem was found in mbochs_ioctl in samples/vfio-mdev/mbochs.c in Virtual Function I/O (VFIO) Mediated devices. This flaw could allow a local attac...
How severe is CVE-2021-3736?
CVE-2021-3736 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3736?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.