5.5med
CVE-2016-2197
QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw.
Published 9 y ago · modified 4 mo ago · JSON
CVSS
5.5
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.4%
percentile 37%
Public exploits
0
none known
Summary
QEMU (aka Quick Emulator) built with an IDE AHCI emulation support is vulnerable to a null pointer dereference flaw. It occurs while unmapping the Frame Information Structure (FIS) and Command List Block (CLB) entries. A privileged user inside guest could use this flaw to crash the QEMU process instance resulting in DoS.
Exploit prediction (EPSS)
0.42% probability of exploitation in the next 30 days, higher than 37% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
- CWE-476 NULL Pointer Dereference
References
- securityfocus.com /bid/82235 · vdb-entry, x_refsource_BID, x_transferred
- openwall.com /lists/oss-security/2016/01/29/2 · mailing-list, x_refsource_MLIST, x_transferred
- security.gentoo.org /glsa/201604-01 · vendor-advisory, x_refsource_GENTOO, x_transferred
- openwall.com /lists/oss-security/2016/01/30/1 · mailing-list, x_refsource_MLIST, x_transferred
- bugzilla.redhat.com /show_bug.cgi?id=1302057 · x_refsource_CONFIRM, x_transferred
- lists.gnu.org /archive/html/qemu-devel/2016-01/msg05742.html · mailing-list, x_refsource_MLIST, x_transferred
Sources
- CVE List: CVE-2016-2197
- NVD: CVE-2016-2197
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.