CVE-2020-10757
HIGHCVSS 7.8/10EPSS 0.99%
Last modified
CVE-2020-10757 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.. EPSS estimates a 0.99% chance of exploitation in the next 30 days.
Description
A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.5, < 4.9.227 |
| Linux | Linux Kernel | >= 4.10, < 4.14.184 |
| Linux | Linux Kernel | >= 4.15, < 4.19.127 |
| Linux | Linux Kernel | >= 4.20, < 5.4.45 |
| Linux | Linux Kernel | >= 5.5, < 5.6.17 |
| Linux | Linux Kernel | >= 5.7, < 5.7.1 |
| Opensuse | Leap | 15.1 |
| Redhat | Enterprise Linux | 7.0 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Mrg | 2.0 |
| Fedoraproject | Fedora | 31 |
| Debian | Debian Linux | 8.0 |
| Canonical | Ubuntu Linux | 16.04 |
| Canonical | Ubuntu Linux | 18.04 |
| Canonical | Ubuntu Linux | 20.04 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Cloud Backup | All versions |
| Netapp | Steelstore Cloud Integrated Storage | All versions |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1842525Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200702-0004/Third Party Advisory
- https://usn.ubuntu.com/4426-1/Third Party Advisory, VDB Entry
- https://usn.ubuntu.com/4439-1/Third Party Advisory
- https://usn.ubuntu.com/4440-1/Third Party Advisory, VDB Entry
- https://usn.ubuntu.com/4483-1/Third Party Advisory, VDB Entry
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
- https://www.debian.org/security/2020/dsa-4699Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/06/04/4Exploit, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Patch, Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1842525Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20200702-0004/Third Party Advisory
- https://usn.ubuntu.com/4426-1/Third Party Advisory, VDB Entry
- https://usn.ubuntu.com/4439-1/Third Party Advisory
- https://usn.ubuntu.com/4440-1/Third Party Advisory, VDB Entry
- https://usn.ubuntu.com/4483-1/Third Party Advisory, VDB Entry
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
- https://www.debian.org/security/2020/dsa-4699Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/06/04/4Exploit, Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-10757?
A flaw was found in the Linux Kernel in versions after 4.5-rc1 in the way mremap handled DAX Huge Pages. This flaw allows a local attacker with access to a DAX enabled storage to escalate their privileges on the system.
How severe is CVE-2020-10757?
CVE-2020-10757 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.99% probability of exploitation in the next 30 days.
How do I fix CVE-2020-10757?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-10757?
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Scan your code nowSource: NVD / NIST