high
7.8
CWE
119 843
Advisory Published
CVE Published
Updated

CVE-2020-10757: Buffer Overflow

First published: Mon Jun 01 2020(Updated: )

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.

Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
redhat/kernel-rt<0:3.10.0-1127.18.2.rt56.1116.el7
0:3.10.0-1127.18.2.rt56.1116.el7
redhat/kernel<0:3.10.0-1127.18.2.el7
0:3.10.0-1127.18.2.el7
redhat/kernel<0:3.10.0-957.58.2.el7
0:3.10.0-957.58.2.el7
redhat/kernel<0:3.10.0-1062.33.1.el7
0:3.10.0-1062.33.1.el7
redhat/kernel-rt<0:4.18.0-193.13.2.rt13.65.el8_2
0:4.18.0-193.13.2.rt13.65.el8_2
redhat/kernel<0:4.18.0-193.13.2.el8_2
0:4.18.0-193.13.2.el8_2
redhat/kernel<0:4.18.0-80.27.1.el8_0
0:4.18.0-80.27.1.el8_0
redhat/kernel<0:4.18.0-147.24.2.el8_1
0:4.18.0-147.24.2.el8_1
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 Vmware Vsphere
Netapp Cloud Backup
Netapp Steelstore Cloud Integrated Storage
Linux Linux kernel>=4.5.1<=5.6.16
Linux Linux kernel=4.5-rc2
Linux Linux kernel=4.5-rc3
Linux Linux kernel=4.5-rc4
Linux Linux kernel=4.5-rc5
Linux Linux kernel=4.5-rc6
Linux Linux kernel=4.5-rc7
debian/linux
5.10.223-1
5.10.226-1
6.1.106-3
6.1.112-1
6.11.4-1
6.11.5-1

Remedy

Do not use DAX enabled storage.

Remedy

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

Remedy

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

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