Out-of-bounds Read in Qemu
CVE-2018-18954
The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (41.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
- Qemu
- Canonical Ubuntu Linux — versions 18.04, 18.10
- openSUSE Leap — versions 42.3
Weakness classification (CWE)
References
- usn.ubuntu.com/3826-1/ (vendor-advisory, Third Party Advisory)
- www.openwall.com/lists/oss-security/2018/11/06/6 (mailing-list, Patch, Mailing List, Third Party Advisory)
- www.securityfocus.com/bid/105920 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html (mailing-list, Patch, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.debian.org/security/2019/dsa-4454 (vendor-advisory)
- seclists.org/bugtraq/2019/May/76 (mailing-list)
Frequently asked questions
- What is CVE-2018-18954?
- CVE-2018-18954 is a medium-severity vulnerability in Qemu, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2018-11-15.
- How severe is CVE-2018-18954?
- Medium severity. CVSS v3 base score is 5.5 out of 10.