PT-2022-10918 · Qemu+1 · Qemu+1

Msiddiqu · Published 2021-12-22 · Updated 2023-11-21 · CVE-2021-3947

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions QEMU (affected versions not specified)

Description A stack-buffer-overflow was found in the NVME component of QEMU. The issue lies in the nvme changed nslist() function, where a malicious guest controlling certain input can read out of bounds memory. This could lead to the disclosure of sensitive information.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2021-3585

ALT-PU-2022-1412

ALT-PU-2022-3390

AZL-8672

CVE-2021-3947

Affected Products

Alt Linux

Qemu

References · 17

• 🔥 https://github.com/QiuhaoLi/CVE-2021-3929-3947 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-3947 · Security Note
• https://osv.dev/vulnerability/CVE-2021-3947 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2022-9172.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2022-9123.html · Vendor Advisory
• https://security.gentoo.org/glsa/202208-27 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-3947 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2021-3947 · Vendor Advisory
• https://bugzilla.redhat.com/show_bug.cgi?id=2021869 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3947 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-3947 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-3947 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-8672 · Vendor Advisory
• https://security.netapp.com/advisory/ntap-20220318-0003 · Note
• https://t.me/cvenotify/27872 · Telegram Post