NULL pointer dereference in Qemu
CVE-2016-2197
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.
EPSS: 0.004 (34.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Qemu
- N/a — versions n/a
Weakness classification (CWE)
References
- secalert@redhat.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- secalert@redhat.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- secalert@redhat.com (x_refsource_CONFIRM, Issue Tracking)
- secalert@redhat.com (Vendor Advisory, mailing-list, x_refsource_MLIST, Patch)
Frequently asked questions
- What is CVE-2016-2197?
- CVE-2016-2197 is a medium-severity vulnerability in Qemu, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2016-12-29.
- How severe is CVE-2016-2197?
- Medium severity. CVSS v3 base score is 5.5 out of 10.