PT-2020-5189 · Qemu+4 · Qemu+4

Alexander Bulekov · Published 2020-05-02 · Updated 2024-06-15 · CVE-2020-13659

Positive Technologies (AI Summary)

CVSS v3.1

2.5

Low

Base vector

AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions QEMU version 4.2.0

Description The issue is related to a NULL pointer dereference in the address space map function in exec.c, which is connected to BounceBuffer. This can potentially lead to a denial of service.

Recommendations For QEMU version 4.2.0, consider updating to a newer version that contains a fix for this issue, as the current version can trigger a NULL pointer dereference related to BounceBuffer. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

ALT-PU-2020-1912

ALT-PU-2020-2431

BDU:2020-05809

CVE-2020-13659

DLA-2288-1

DSA-4728-1

OPENSUSE-SU-2020:1108-1

OPENSUSE-SU-2020_1108-1

OPENSUSE-SU-2024:11287-1

SUSE-SU-2020:2015-1

SUSE-SU-2021:1240-1

SUSE-SU-2021:1241-1

SUSE-SU-2021:1242-1

SUSE-SU-2021:1244-1

SUSE-SU-2021:1245-1

SUSE-SU-2021:1305-1

USN-4467-1

USN-4467-2

USN-4467-3

Affected Products

Alt Linux

Linuxmint

Qemu

Suse

Ubuntu

References · 245

• https://nvd.nist.gov/vuln/detail/CVE-2020-13659 · Security Note
• https://linux.oracle.com/errata/ELSA-2021-9034.html · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:1305-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-14415 · Vendor Advisory
• https://osv.dev/vulnerability/USN-4467-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-13659 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2020:2015-1 · Vendor Advisory
• https://usn.ubuntu.com/4467-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2020:1108-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20210611SE16 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-13253 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00086.html · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4728-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2021:1244-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-13362 · Vendor Advisory