NULL pointer dereference in Linux Linux_kernel
CVE-2020-25639
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 syst…
EPSS: 0.004 (28.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.4 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux Linux_kernel
- Fedoraproject Fedora — versions 32, 33
- Redhat Enterprise_linux — versions 5.0, 6.0, 7.0
- Redhat Messaging_realtime_grid — versions 2.0
- Redhat Openshift_container_platform — versions 4.4, 4.5, 4.6
- N/a Kernel — versions Linux kernel versions prior to 5.12-rc1
Weakness classification (CWE)
References
- secalert@redhat.com (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
- secalert@redhat.com (x_refsource_FEDORA, vendor-advisory)
Frequently asked questions
- What is CVE-2020-25639?
- CVE-2020-25639 is a medium-severity vulnerability in Linux Linux_kernel, classified under NULL Pointer Dereference. CVSS score: 4.4/10. Published 2021-03-04.
- How severe is CVE-2020-25639?
- Medium severity. CVSS v3 base score is 4.4 out of 10.