CVE-2021-3501
7.1 HIGHA flaw was found in the Linux kernel in versions before 5.12
Published: 2021-05-06 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 7.1 HIGH
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
- CWE
- CWE-787
Affected products
| Vendor | Product |
|---|---|
| fedoraproject | cloud_backup, enterprise_linux, enterprise_linux_for_real_time |
| linux | cloud_backup, enterprise_linux, enterprise_linux_for_real_time |
| netapp | cloud_backup, enterprise_linux, enterprise_linux_for_real_time |
| redhat | cloud_backup, enterprise_linux, enterprise_linux_for_real_time |
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-3501
- [Patch]https://bugzilla.redhat.com/show_bug.cgi?id=1950136
- [Patch]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c4f2ee3f68c9a4bf1653d15f1a9a435ae33f7a
- [Other]https://security.netapp.com/advisory/ntap-20210618-0008/
- [Patch]https://bugzilla.redhat.com/show_bug.cgi?id=1950136
- [Patch]https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04c4f2ee3f68c9a4bf1653d15f1a9a435ae33f7a
- [Other]https://security.netapp.com/advisory/ntap-20210618-0008/
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