HOMEVULNERABILITIESCVE-2020-10757
HIGH

CVE-2020-10757

CWE-119Published: June 9, 2020· Updated: Jun 17, 2026

7.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2020-10757 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Canonical1 product(s)
ubuntu linux
Debian1 product(s)
debian linux
Fedora1 product(s)
fedora
Linux1 product(s)
linux kernel
netapp3 product(s)
active iq unified managercloud backupsteelstore cloud integrated storage
openSUSE1 product(s)
leap
Red Hat2 product(s)
enterprise linuxenterprise mrg
Source: NVD CPE · 13 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

PATCHhttp://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
PATCHhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5bfea2d9b17f1034a68147a8b03b9789af5700f9
PATCHhttp://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
PATCHhttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5bfea2d9b17f1034a68147a8b03b9789af5700f9
ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=1842525
ADVISORYhttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
ADVISORYhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IEM47BXZJLODRH5YNNZSAQ2NVM63MYMC/
ADVISORYhttps://security.netapp.com/advisory/ntap-20200702-0004/
ADVISORYhttps://usn.ubuntu.com/4426-1/
ADVISORYhttps://usn.ubuntu.com/4439-1/
ADVISORYhttps://usn.ubuntu.com/4440-1/
ADVISORYhttps://usn.ubuntu.com/4483-1/
ADVISORYhttps://www.debian.org/security/2020/dsa-4698
ADVISORYhttps://www.debian.org/security/2020/dsa-4699
ADVISORYhttps://www.openwall.com/lists/oss-security/2020/06/04/4
ADVISORYhttps://bugzilla.redhat.com/show_bug.cgi?id=1842525
ADVISORYhttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
ADVISORYhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IEM47BXZJLODRH5YNNZSAQ2NVM63MYMC/
ADVISORYhttps://security.netapp.com/advisory/ntap-20200702-0004/
ADVISORYhttps://usn.ubuntu.com/4426-1/
ADVISORYhttps://usn.ubuntu.com/4439-1/
ADVISORYhttps://usn.ubuntu.com/4440-1/
ADVISORYhttps://usn.ubuntu.com/4483-1/
ADVISORYhttps://www.debian.org/security/2020/dsa-4698
ADVISORYhttps://www.debian.org/security/2020/dsa-4699
ADVISORYhttps://www.openwall.com/lists/oss-security/2020/06/04/4

All References (26)

→
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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5bfea2d9b17f1034a68147a8b03b9789af5700f9Patch · Vendor Advisory
→
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List · Third Party Advisory
→
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IEM47BXZJLODRH5YNNZSAQ2NVM63MYMC/Third Party Advisory · VDB Entry
→
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

Quick Facts

CVE IDCVE-2020-10757
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-119
CISA KEVNo
Affected7 vendor(s)
PublishedJun 9, 2020

Related CVEs (CWE-119)

CVE-2009-3849
10.0
CVE-2009-3999
10.0
CVE-2009-3699
10.0
CVE-2008-7232
10.0
CVE-2008-0067
10.0
CVE-2009-1227
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2020-10757 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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