CVE-2016-2198 — NULL Pointer Dereference in Qemu

CWE-476 — NULL Pointer Dereference10 documents7 sources
Severity
5.5MEDIUMNVD
OSV6.0
EPSS
0.1%
top 71.63%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
QemuDebian QemuDebian Linux
Timeline
PublishedDec 29
Latest updateMay 13

Description

QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw. It could occur when an application attempts to write to EHCI capabilities registers. A privileged user inside quest could use this flaw to crash the QEMU process instance resulting in DoS.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/qemu< qemu 1:2.6+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1:2.6+dfsg-1+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.22
▶NVDqemu/qemu2.5.1.1+1

Also affects: Debian Linux 8.0

Patches

Patch: lists.gnu.org ↗Patch: lists.gnu.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-4fg5-fcph-rgxc: QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw↗2022-05-13
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OSV
CVE-2016-2198: QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerable to a null pointer dereference flaw↗2016-12-29
▶
OSV
qemu, qemu-kvm vulnerabilities↗2016-02-03
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📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2016-02-03
▶
Red Hat
Qemu: usb: ehci null pointer dereference in ehci_caps_write↗2016-01-29
▶
Debian
CVE-2016-2198: qemu - QEMU (aka Quick Emulator) built with the USB EHCI emulation support is vulnerabl...↗2016
▶

💬Community

3
Bugzilla
CVE-2016-2198 xen: Qemu: usb: ehci null pointer dereference in ehci_caps_write [fedora-all]↗2016-01-29
▶
Bugzilla
CVE-2016-2198 Qemu: usb: ehci null pointer dereference in ehci_caps_write [fedora-all]↗2016-01-29
▶
Bugzilla
CVE-2016-2198 Qemu: usb: ehci null pointer dereference in ehci_caps_write↗2016-01-25
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