Vulnerability Description
A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this vulnerability is to data integrity and system availability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.12 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux For Real Time | 8 |
| Redhat | Enterprise Linux For Real Time For Nfv | 8 |
| Redhat | Enterprise Linux For Real Time For Nfv Tus | 8.4 |
| Redhat | Enterprise Linux For Real Time Tus | 8.4 |
| Fedoraproject | Fedora | 33 |
| Redhat | Virtualization | 4.0 |
| Redhat | Virtualization Host | 4.0 |
| Netapp | Cloud Backup | - |
| Netapp | Solidfire Baseboard Management Controller Firmware | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
| Netapp | H300E Firmware | - |
| Netapp | H300E | - |
| Netapp | H500E Firmware | - |
Related Weaknesses (CWE)
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1950136Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04Mailing ListPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20210618-0008/Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1950136Issue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04Mailing ListPatchVendor Advisory
- https://security.netapp.com/advisory/ntap-20210618-0008/Third Party Advisory
FAQ
What is CVE-2021-3501?
CVE-2021-3501 is a vulnerability with a CVSS score of 7.1 (HIGH). A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could le...
How severe is CVE-2021-3501?
CVE-2021-3501 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-3501?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Redhat Enterprise Linux, Redhat Enterprise Linux For Real Time, Redhat Enterprise Linux For Real Time For Nfv, Redhat Enterprise Linux For Real Time For Nfv Tus.