CVE-2020-13659 — NULL Pointer Dereference in Qemu

CWE-476 — NULL Pointer Dereference13 documents9 sources
Severity
2.5LOWNVD
OSV6.5OSV5.5
EPSS
0.0%
top 89.23%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
QemuCanonical Ubuntu LinuxDebian Linux+1 more
Timeline
PublishedJun 2
Latest updateMay 24

Description

address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:LExploitability: 0.8 | Impact: 1.4

Affected Packages4 packages

▶Debianqemu/qemu< 1:5.0-6+3
▶Ubuntuqemu/qemu< 1:2.5+dfsg-5ubuntu10.45+3
▶NVDqemu/qemu4.2.0
▶NVDopensuse/leap15.2

Also affects: Debian Linux 10.0, 9.0, Ubuntu Linux 16.04, 18.04, 20.04

Patches

Patch: www.openwall.com ↗Patch: lists.gnu.org ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

5
GHSA
GHSA-3cvr-q9wg-jwqw: address_space_map in exec↗2022-05-24
▶
OSV
qemu vulnerabilities↗2021-02-02
▶
OSV
qemu vulnerabilities↗2020-08-19
▶
CVEList
CVE-2020-13659: address_space_map in exec↗2020-06-02
▶
OSV
CVE-2020-13659: address_space_map in exec↗2020-06-02
▶

📋Vendor Advisories

5
Ubuntu
QEMU vulnerabilities↗2021-02-02
▶
Ubuntu
QEMU vulnerabilities↗2020-08-19
▶
Microsoft
address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer.↗2020-06-09
▶
Red Hat
QEMU: exec: address_space_map returns NULL without setting length to zero may lead to DoS↗2020-05-14
▶
Debian
CVE-2020-13659: qemu - address_space_map in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-13659 qemu: exec: address_space_map returns NULL without setting length to zero may lead to DoS [fedora-all]↗2020-06-01
▶
Bugzilla
CVE-2020-13659 QEMU: exec: address_space_map returns NULL without setting length to zero may lead to DoS↗2020-06-01
▶
CVE-2020-13659 — NULL Pointer Dereference in Qemu | cvebase