Description
qemu-bridge-helper.c in QEMU 3.1 and 4.0.0 does not ensure that a network interface name (obtained from bridge.conf or a --br=bridge option) is limited to the IFNAMSIZ size, which can lead to an ACL bypass.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://lists.gnu.org/archive/html/qemu-devel/2019-07/msg00145.html ↗
- http://www.openwall.com/lists/oss-security/2019/07/02/2 ↗
- http://www.securityfocus.com/bid/109054 ↗
- https://seclists.org/bugtraq/2019/Aug/41 ↗
- https://www.debian.org/security/2019/dsa-4506 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html ↗
- https://www.debian.org/security/2019/dsa-4512 ↗
- https://seclists.org/bugtraq/2019/Sep/3 ↗
- http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html ↗
- https://lists.debian.org/debian-lts-announce/2019/09/msg00021.html ↗
- https://usn.ubuntu.com/4191-2/ ↗
- https://usn.ubuntu.com/4191-1/ ↗
- https://security.gentoo.org/glsa/202003-66 ↗
- https://github.com/qemu/qemu/commit/03d7712b4bcd47bfe0fe14ba2fffa87e111fa086 ↗