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Vulnerability Intelligence

CVE-2020-25639

MEDIUM4.4

A NULL pointer dereference flaw was found in the Linux kernel's GPU Nouveau driver functionality in versions prior to 5

Published Mar 4, 2021

Modified 1 years ago

No fix available

Details

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.

References

WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=1876995 ADVISORYhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/ADVISORYhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2020-25639

CVSS Analysis

CVSS v3.1

4.4

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

HighPR:H

User Interaction

NoneUI:N

Scope

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

4.4/CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

Memory Safety

NULL Pointer Dereference

Ecosystems

Timeline

PublishedMar 4, 2021

ModifiedAug 4, 2024

CVE-2020-25639 | Mondoo Vulnerability Intelligence