VulnerabilityModified
CVE-2018-16847
A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.
HIGH 7.8EPSS 0.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An OOB heap buffer r/w access issue was found in the NVM Express Controller emulation in QEMU. It could occur in nvme_cmb_ops routines in nvme device. A guest user/process could use this flaw to crash the QEMU process resulting in DoS or potentially run arbitrary code with privileges of the QEMU process.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.54% probability · 44th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787, CWE-125
- Affected
- qemu/qemu · canonical/ubuntu linux
- Source
- secalert@redhat.com
References
- http://www.securityfocus.com/bid/105866Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847Issue Tracking, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.htmlMailing List, Patch, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2018/11/02/1Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/105866Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16847Issue Tracking, Patch, Third Party Advisory
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00200.htmlMailing List, Patch, Third Party Advisory
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2018/11/02/1Mailing List, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.