CVE-2019-13164
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
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.52% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 44.1% of scored records. A rank, not a probability.
- NVD base score
- 7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2019-07-03 13:56Z7 YR AGO
- Last updated
- 2024-08-04 23:41Z2 YR AGO
- Reserved
- 2019-07-02
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-284Improper Access ControlPillar
- Data version
- 5.1
- Document digest
- 117ce2509bca47eed0b218aac325875d4b40b33029c6eac2f2ca02ac383291af
05 Affected products
06 References
- lists.gnu.orghttps://lists.gnu.org/archive/html/qemu-devel/2019-07/msg00145.html
- www.openwall.com[oss-security] 20190703 CVE-2019-13164 Qemu: qemu-bridge-helper ACL bypassed with long interface nameshttp://www.openwall.com/lists/oss-security/2019/07/02/2
- www.securityfocus.com109054http://www.securityfocus.com/bid/109054
- seclists.org20190825 [SECURITY] [DSA 4506-1] qemu security updatehttps://seclists.org/bugtraq/2019/Aug/41
- www.debian.orgDSA-4506https://www.debian.org/security/2019/dsa-4506
- lists.opensuse.orgopenSUSE-SU-2019:2041http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00000.html
- www.debian.orgDSA-4512https://www.debian.org/security/2019/dsa-4512
- seclists.org20190902 [SECURITY] [DSA 4512-1] qemu security updatehttps://seclists.org/bugtraq/2019/Sep/3
- lists.opensuse.orgopenSUSE-SU-2019:2059http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00008.html
- lists.debian.org[debian-lts-announce] 20190920 [SECURITY] [DLA 1927-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2019/09/msg00021.html
- usn.ubuntu.comUSN-4191-2https://usn.ubuntu.com/4191-2/
- usn.ubuntu.comUSN-4191-1https://usn.ubuntu.com/4191-1/
- security.gentoo.orgGLSA-202003-66https://security.gentoo.org/glsa/202003-66
- github.comhttps://github.com/qemu/qemu/commit/03d7712b4bcd47bfe0fe14ba2fffa87e111fa086
07 Fixed in
Debian 12
- qemu Fixed in 1:4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1:4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:4.1-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- qemu Fixed in 1:2.5+dfsg-5ubuntu10.42
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- qemu Fixed in 1:2.11+dfsg-1ubuntu7.20
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 14.04 LTS
- qemu Fixed in 2.0.0+dfsg-2ubuntu1.47Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.