CVE-2020-25639 — NULL Pointer Dereference in Kernel
Severity
4.4MEDIUMNVD
EPSS
0.1%
top 68.33%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 4
Latest updateMay 24
Description
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.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:HExploitability: 0.8 | Impact: 3.6
Affected Packages5 packages
Also affects: Enterprise Linux 5.0, 6.0, 7.0, 8.0, Fedora 32, 33, Openshift Container Platform 4.4, 4.5, 4.6
🔴Vulnerability Details
6GHSA▶
GHSA-9h9r-mqj8-gh3f: A NULL pointer dereference flaw was found in the Linux kernel’s GPU Nouveau driver functionality in versions prior to 5↗2022-05-24
OSV▶
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.↗2021-05-11
CVEList▶
CVE-2020-25639: A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5↗2021-03-04
📋Vendor Advisories
7Microsoft▶
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 fla↗2021-03-09