PT-2020-16180 · Qemu+2 · Qemu+2

Published 2020-08-15 · Updated 2020-10-14 · CVE-2020-25741

Positive Technologies (AI Summary)

CVSS v3.1

3.2

Low

Base vector

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

Name of the Vulnerable Software and Affected Versions QEMU version 5.0.0

Description The issue is related to a NULL pointer dereference in the fdctrl write data function, located in hw/block/fdc.c. This occurs when a NULL block pointer for the current drive is encountered.

Recommendations For QEMU version 5.0.0, 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-2020-2595

CVE-2020-25741

ECHO-572D-1F26-2B99

Affected Products

Alt Linux

Debian

Qemu

References · 12

• https://security-tracker.debian.org/tracker/CVE-2020-25741 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-25741 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-25741 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-25741 · Security Note
• https://osv.dev/vulnerability/CVE-2020-25741 · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-25741 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-25741 · Vendor Advisory
• https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg05295.html · Patch
• http://openwall.com/lists/oss-security/2020/09/29/1 · Note
• https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Ffdc_nullptr1 · Note
• https://security.netapp.com/advisory/ntap-20201009-0005 · Note
• https://lists.nongnu.org/archive/html/qemu-devel/2020-09/msg07779.html · Note