CVE-2020-8649
MEDIUMCVSS 5.9/10EPSS 0.49%
Last modified
CVE-2020-8649 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.. EPSS estimates a 0.49% chance of exploitation in the next 30 days.
Description
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.
Metrics
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.5.2 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.htmlThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=206357Exploit, Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00039.htmlThird Party Advisory
- https://bugzilla.kernel.org/show_bug.cgi?id=206357Exploit, Issue Tracking, Vendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2020/dsa-4698Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8649?
There is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the vgacon_invert_region function in drivers/video/console/vgacon.c.
How severe is CVE-2020-8649?
CVE-2020-8649 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8649?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-8649?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST