CVE-2020-10757
High
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.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Linux Kernel
PublishedJun 9, 2020
First seenJun 9, 2020
How to fix
Update
- linux linux_kernel4.9.227, 4.14.184, 4.19.127, 5.4.45, 5.6.17, 5.7.1 or later
Vendor advisories
- bugzilla.redhat.com/show_bug.cgi?id=1842525
- debian.org/security/2020/dsa-4698
- debian.org/security/2020/dsa-4699
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IEM47BXZJLODRH5YNNZSAQ2NVM63MYMC/
- usn.ubuntu.com/4439-1/
- usn.ubuntu.com/4426-1/
- usn.ubuntu.com/4440-1/
- usn.ubuntu.com/4483-1/
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 4.5 ≤ v < 4.9.227, 4.10 ≤ v < 4.14.184, 4.15 ≤ v < 4.19.127, 4.20 ≤ v < 5.4.45, 5.5 ≤ v < 5.6.17, 5.7 ≤ v < 5.7.1 | 4.9.227, 4.14.184, 4.19.127, 5.4.45, 5.6.17, 5.7.1 |
| opensuse leap | 15.1 | — |
| redhat enterprise_linux | 7.0, 8.0 | — |
| redhat enterprise_mrg | 2.0 | — |
| fedoraproject fedora | 31 | — |
| debian debian_linux | 8.0 | — |
| canonical ubuntu_linux | 16.04, 18.04, 20.04 | — |
| netapp active_iq_unified_manager | No range specified | — |
| netapp cloud_backup | No range specified | — |
| netapp steelstore_cloud_integrated_storage | No range specified | — |
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