6.5med

CVE-2017-5993

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 ca…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
6.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 33%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.39% probability of exploitation in the next 30 days, higher than 33% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.06.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
  • CWE-772 Missing Release of Resource after Effective Lifetime

References

  • security.gentoo.org /glsa/201707-06 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.freedesktop.org /archives/virglrenderer-devel/2017-February/000145.html · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2017/02/15/7 · mailing-list, x_refsource_MLIST, x_transferred
  • securityfocus.com /bid/96275 · vdb-entry, x_refsource_BID, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1422438 · x_refsource_CONFIRM, x_transferred
  • cgit.freedesktop.org /virglrenderer/commit/?id=6eb13f7a2dcf391ec9e19b4c2a79e68305f63c22 · x_refsource_CONFIRM, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.