CVE-2020-25639CWE-476

CVE-2020-25639

Medium · published March 5, 2021

CVSS v3.1
4.4
EPSS
0%
Percentile
29.3
In the wild
Unconfirmed
What it is

A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5.12-rc1 in the way the user calls ioctl DRM_IOCTL_NOUVEAU_CHANNEL_ALLOC. This flaw allows a local user to crash the system.

The record
Technical detail
CVSS v3.1
4.4 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00366 · 29.3th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2021-03-05T03:15Z
Affected products (11)
ProductVersionsFixed in
linux/linux_kernel≤ 5.11.2—
fedoraproject/fedoraall versions—
fedoraproject/fedoraall versions—
redhat/openshift_container_platformall versions—
redhat/openshift_container_platformall versions—
redhat/openshift_container_platformall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
redhat/messaging_realtime_gridall versions—
References (6)
https://bugzilla.redhat.com/show_bug.cgi?id=1876995 · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/ · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=1876995 · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/ · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/ · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 04 MAR 21:56Z
    A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5.12-rc1 in the way the user calls ioctl…
    cvelistv5