CVE-2016-8578 — NULL Pointer Dereference in Qemu

CWE-476 — NULL Pointer Dereference10 documents7 sources
Severity
6.0MEDIUMNVD
OSV5.5
EPSS
0.1%
top 70.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
QemuDebian QemuDebian Linux+1 more
Timeline
PublishedNov 4
Latest updateMay 13

Description

The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka Quick Emulator) allows local guest OS administrators to cause a denial of service (NULL pointer dereference and QEMU process crash) by sending an empty string parameter to a 9P operation.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:HExploitability: 1.5 | Impact: 4.0

Affected Packages5 packages

▶debiandebian/qemu< qemu 1:2.8+dfsg-1 (bookworm)
▶Debianqemu/qemu< 1:2.8+dfsg-1+3
▶Ubuntuqemu/qemu< 2.0.0+dfsg-2ubuntu1.30+1
▶NVDqemu/qemu2.7.1
▶NVDopensuse/leap42.2

Also affects: Debian Linux 8.0

Patches

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

🔴Vulnerability Details

3
GHSA
GHSA-vqff-7r2x-pwc7: The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal↗2022-05-13
▶
OSV
qemu, qemu-kvm vulnerabilities↗2016-11-09
▶
OSV
CVE-2016-8578: The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal↗2016-11-04
▶

📋Vendor Advisories

3
Ubuntu
QEMU vulnerabilities↗2016-11-09
▶
Red Hat
Qemu: 9pfs: potential NULL dereferencein 9pfs routines↗2016-09-27
▶
Debian
CVE-2016-8578: qemu - The v9fs_iov_vunmarshal function in fsdev/9p-iov-marshal.c in QEMU (aka Quick Em...↗2016
▶

💬Community

3
Bugzilla
CVE-2016-8578 Qemu: 9pfs: potential NULL dereferencein 9pfs routines [fedora-all]↗2016-10-10
▶
Bugzilla
CVE-2016-8578 xen: Qemu: 9pfs: potential NULL dereferencein 9pfs routines [fedora-all]↗2016-10-10
▶
Bugzilla
CVE-2016-8578 Qemu: 9pfs: potential NULL dereferencein 9pfs routines↗2016-10-10
▶