High severity · published Dec 23, 2019
CVE-2019-18389
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…
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
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, or QEMU guest-to-host escape and code execution, via VIRGL_CCMD_RESOURCE_INLINE_WRITE commands.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 38% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
10.0 · source: NVD
EL
Enterprise Linux · Redhat
8.0 · source: NVD
LE
Leap · Opensuse
15.1 · source: NVD
VI
Virglrenderer · Virglrenderer Project
through 0.8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-18389
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-18389
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00028.html
Third Party Advisory
https://access.redhat.com/security/cve/cve-2019-18389
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1765577
Patch
https://gitlab.freedesktop.org/virgl/virglrenderer/commit/cbc8d8b75be360236cada63784046688aeb6d921
Patch
https://gitlab.freedesktop.org/virgl/virglrenderer/merge_requests/314/diffs?commit_id=9c280a28651507e6ef87b17b90d47b6af3a4ab7d
Mailing List
https://lists.debian.org/debian-lts-announce/2022/12/msg00017.html
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