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

EPSS: 0.005 (40.9th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
  • cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory, x_refsource_SUSE)
  • cve@mitre.org (vendor-advisory, x_refsource_DEBIAN)
  • cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)

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.