CVE-2020-25084 — Use After Free in Qemu

CWE-416 — Use After Free10 documents7 sources
Severity
3.2LOWNVD
OSV6.3
EPSS
0.0%
top 89.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
QemuDebian QemuDebian Linux
Timeline
PublishedSep 25
Latest updateMay 24

Description

QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map return value is not checked.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:LExploitability: 1.5 | Impact: 1.4

Affected Packages4 packages

▶debiandebian/qemu< qemu 1:5.2+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1:5.2+dfsg-1+3
▶Ubuntuqemu/qemu< 1:2.5+dfsg-5ubuntu10.48+2
▶NVDqemu/qemu5.0.0

Also affects: Debian Linux 10.0, 9.0

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-xx58-g4hc-mr9f: QEMU 5↗2022-05-24
▶
OSV
qemu vulnerabilities↗2020-11-30
▶
OSV
CVE-2020-25084: QEMU 5↗2020-09-25
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2020-11-30
▶
Red Hat
QEMU: usb: use-after-free issue while setting up packet↗2020-06-24
▶
Debian
CVE-2020-25084: qemu - QEMU 5.0.0 has a use-after-free in hw/usb/hcd-xhci.c because the usb_packet_map ...↗2020
▶

💬Community

3
Bugzilla
CVE-2020-25084 xen: QEMU: usb: use-after-free issue while setting up packet [fedora-all]↗2020-09-16
▶
Bugzilla
CVE-2020-25084 QEMU: usb: use-after-free issue while setting up packet↗2020-09-16
▶
Bugzilla
CVE-2020-25084 qemu: usb: use-after-free issue while setting up packet [fedora-all]↗2020-09-16
▶