CVE-2017-5993

Description

Memory leak in the vrend_renderer_init_blit_ctx function in vrend_blitter.c in virglrenderer before 0.6.0 allows local guest OS users to cause a denial of service (host memory consumption) via a large number of VIRGL_CCMD_BLIT commands.

Category

6.5
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.07%
Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://security.gentoo.org/glsa/201707-06 vendor advisory
https://lists.freedesktop.org/archives/virglrenderer-devel/2017-February/000145.html patch mailing list release notes
http://www.openwall.com/lists/oss-security/2017/02/15/7 patch mailing list
http://www.securityfocus.com/bid/96275 third party advisory vdb entry
https://bugzilla.redhat.com/show_bug.cgi?id=1422438 patch issue tracking
https://cgit.freedesktop.org/virglrenderer/commit/?id=6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22 patch

Frequently Asked Questions

What is the severity of CVE-2017-5993?
CVE-2017-5993 has been scored as a medium severity vulnerability.
How to fix CVE-2017-5993?
To fix CVE-2017-5993, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-5993 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-5993 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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