CVE-2020-10757

MEDIUM

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.

References

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html

https://bugzilla.redhat.com/show_bug.cgi?id=1842525

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5bfea2d9b17f1034a68147a8b03b9789af5700f9

https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/IEM47BXZJLODRH5YNNZSAQ2NVM63MYMC/

https://security.netapp.com/advisory/ntap-20200702-0004/

https://usn.ubuntu.com/4426-1/

https://usn.ubuntu.com/4439-1/

https://usn.ubuntu.com/4440-1/

https://usn.ubuntu.com/4483-1/

https://www.debian.org/security/2020/dsa-4698

https://www.debian.org/security/2020/dsa-4699

https://www.openwall.com/lists/oss-security/2020/06/04/4

Details

Source: MITRE

Published: 2020-06-09

Updated: 2020-09-15

Type: CWE-269

Risk Information

CVSS v2.0

Base Score: 6.9

Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C

Impact Score: 10

Exploitability Score: 3.4

Severity: MEDIUM

CVSS v3.0

Base Score: 7.8

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.8

Severity: HIGH