vulnwire
4.4med

CVE-2016-6834

The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cau…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
4.4
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 36%
Public exploits
0
none known

The net_tx_pkt_do_sw_fragmentation function in hw/net/net_tx_pkt.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (infinite loop and QEMU process crash) via a zero length for the current fragment length.

Exploit prediction (EPSS)

0.41% probability of exploitation in the next 30 days, higher than 36% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.14.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
NVD2.02.1AV:L/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

  • git.qemu.org /?p=qemu.git%3Ba=commit%3Bh=ead315e43ea0c2ca3491209c6c8db8ce3f2bbe05 · x_refsource_CONFIRM, x_transferred
  • securityfocus.com /bid/92446 · vdb-entry, x_refsource_BID, x_transferred
  • security.gentoo.org /glsa/201609-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • openwall.com /lists/oss-security/2016/08/18/7 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.gnu.org /archive/html/qemu-devel/2016-08/msg01601.html · mailing-list, x_refsource_MLIST, x_transferred
  • openwall.com /lists/oss-security/2016/08/11/8 · mailing-list, x_refsource_MLIST, x_transferred
  • lists.debian.org /debian-lts-announce/2018/11/msg00038.html · mailing-list, x_refsource_MLIST, 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.