CVE-2020-13659
address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
02 Description
address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.
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
- 0.42% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.8% of scored records. A rank, not a probability.
- NVD base score
- 2.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L
- 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
- 2020-06-02 12:50Z6 YR AGO
- Last updated
- 2024-08-04 12:25Z2 YR AGO
- Reserved
- 2020-05-28
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 59d6ae58be4cf468fd418f0d67f30430913491fcff1a512a6a3e4a908c3a4089
05 Affected products
06 References
- lists.gnu.orghttps://lists.gnu.org/archive/html/qemu-devel/2020-05/msg07313.html
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2020/06/01/3
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20200608-0007/
- www.debian.orgDSA-4728https://www.debian.org/security/2020/dsa-4728
- lists.debian.org[debian-lts-announce] 20200726 [SECURITY] [DLA 2288-1] qemu security updatehttps://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
- lists.opensuse.orgopenSUSE-SU-2020:1108http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html
- usn.ubuntu.comUSN-4467-1https://usn.ubuntu.com/4467-1/
- security.gentoo.orgGLSA-202011-09https://security.gentoo.org/glsa/202011-09
07 Fixed in
Debian 12
- qemu Fixed in 1:5.0-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- qemu Fixed in 1:5.0-6
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- qemu Fixed in 1:5.0-6
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-5ubuntu10.45
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-1ubuntu7.31
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- qemu Fixed in 1:4.2-3ubuntu6.4
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-2ubuntu1.47+esm1Available 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.