CVE-2017-5579

Priority
Description
Memory leak in the serial_exit_core function in hw/char/serial.c in QEMU
(aka Quick Emulator) allows local guest OS privileged users to cause a
denial of service (host memory consumption and QEMU process crash) via a
large number of device unplug operations.
Notes
tyhicksaffected code is in hw/serial.c in qemu-kvm on 12.04.
serial_init_core() allocates a number of things but there is no
serial_exit_core() present.
Package
Source: qemu (LP Ubuntu Debian)
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 ESM (Trusty Tahr):released (2.0.0+dfsg-2ubuntu1.33)
Ubuntu 16.04 LTS (Xenial Xerus):released (1:2.5+dfsg-5ubuntu10.11)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (1:2.8+dfsg-3ubuntu2)
Ubuntu 19.10 (Eoan Ermine):not-affected (1:2.8+dfsg-3ubuntu2)
Ubuntu 20.04 (Focal Fossa):not-affected (1:2.8+dfsg-3ubuntu2)
Patches:
Upstream:http://git.qemu.org/?p=qemu.git;a=commit;h=8409dc884a201bf74b30a9d232b6bbdd00cb7e2b
Package
Upstream:needs-triage
Ubuntu 12.04 ESM (Precise Pangolin):needed
Ubuntu 14.04 ESM (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 19.10 (Eoan Ermine):DNE
Ubuntu 20.04 (Focal Fossa):DNE
More Information

Updated: 2020-01-29 18:48:29 UTC (commit 40f18bf14da5fb50662e1f861ea594a462b207fe)