CVE-2019-18391: Buffer Overflow
First published: Fri Oct 25 2019(Updated: )
A heap-based buffer overflow in the vrend_renderer_transfer_write_iov function in vrend_renderer.c in virglrenderer through 0.8.0 allows guest OS users to cause a denial of service via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Freedesktop Virglrenderer | <=0.8.0 | |
| openSUSE | =15.1 | |
| Red Hat Enterprise Linux | =8.0 | |
| Debian Debian Linux | =10.0 |
Remedy
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971
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Reference Links
- https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=8c9cfb4e425542e96f0717189fe4658555baaf08
- https://gitlab.freedesktop.org/virgl/virglrenderer/commit/2abeb1802e3c005b17a7123e382171b3fb665971
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1784712
- https://bugzilla.redhat.com/show_bug.cgi?id=1765589
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
- https://access.redhat.com/security/cve/cve-2019-18391
- https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
Frequently Asked Questions
What is the severity of CVE-2019-18391?
The severity of CVE-2019-18391 is high with a severity value of 5.5.
How does CVE-2019-18391 affect Virglrenderer Project Virglrenderer?
CVE-2019-18391 affects Virglrenderer Project Virglrenderer versions up to and including 0.8.0.
How does CVE-2019-18391 affect openSUSE Leap?
CVE-2019-18391 affects openSUSE Leap version 15.1.
How does CVE-2019-18391 affect Redhat Enterprise Linux?
CVE-2019-18391 affects Redhat Enterprise Linux version 8.0.
How does CVE-2019-18391 affect Debian Debian Linux?
CVE-2019-18391 affects Debian Debian Linux version 10.0.
How can I fix the CVE-2019-18391 vulnerability?
To fix the CVE-2019-18391 vulnerability, update Virglrenderer Project Virglrenderer to version 0.8.1 or later.
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