CVE-2020-25639: Null Pointer Dereference
First published: Tue Sep 08 2020(Updated: )
A flaw was found in the Linux kernel where an unprivileged console user can crash kernel via a nouveau ioctl. Reference: <a href="https://lists.freedesktop.org/archives/nouveau/2020-August/036682.html">https://lists.freedesktop.org/archives/nouveau/2020-August/036682.html</a>
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=5.11.2 | |
| Fedoraproject Fedora | =32 | |
| Fedoraproject Fedora | =33 | |
| Redhat Openshift Container Platform | =4.4 | |
| Redhat Openshift Container Platform | =4.5 | |
| Redhat Openshift Container Platform | =4.6 | |
| Redhat Enterprise Linux | =5.0 | |
| Redhat Enterprise Linux | =6.0 | |
| Redhat Enterprise Linux | =7.0 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Messaging Realtime Grid | =2.0 | |
| redhat/Linux kernel | <5.12 | 5.12 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi?id=1876995
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/
- https://launchpad.net/bugs/cve/CVE-2020-25639
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HE4CT3NL6OEBRRBUKHIX63GLNVOWCVRW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SUCBCKRHWP3UD2AVVYQJE7BIJEMCMXW5/
- https://lists.freedesktop.org/archives/nouveau/2020-August/036682.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1881465
- https://access.redhat.com/solutions/41278
- https://security-tracker.debian.org/tracker/CVE-2020-25639
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25639
- https://nvd.nist.gov/vuln/detail/CVE-2020-25639
- https://ubuntu.com/security/CVE-2020-25639
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