Medium severity · published Mar 10, 2017
CVE-2017-6355
Integer overflow in the vrend_create_shader function in vrend_renderer.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (process crash) via…
5.5
CVSS
0.4%
EPSS
No
On KEV
Description
Integer overflow in the vrend_create_shader function in vrend_renderer.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (process crash) via crafted pkt_length and offlen values, which trigger an out-of-bounds access.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VI
Virglrenderer · Freedesktop
through 0.5.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-6355
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-6355
Mailing List
http://www.openwall.com/lists/oss-security/2017/02/27/3
Third Party Advisory
http://www.securityfocus.com/bid/96460
Patch
https://cgit.freedesktop.org/virglrenderer/commit/?id=93761787b29f37fa627dea9082cdfc1a1ec608d6
Patch
https://lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html
security.gentoo.org
https://security.gentoo.org/glsa/201707-06