Vulnerability Description
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.
CVSS Score
5.5
MEDIUM
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | < 3.1 |
| Canonical | Ubuntu Linux | 18.04 |
| Opensuse | Leap | 42.3 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/06/6Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/105920Third Party AdvisoryVDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.htmlMailing ListPatchThird Party Advisory
- https://seclists.org/bugtraq/2019/May/76
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/06/6Mailing ListPatchThird Party Advisory
- http://www.securityfocus.com/bid/105920Third Party AdvisoryVDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.htmlMailing ListPatchThird Party Advisory
- https://seclists.org/bugtraq/2019/May/76
- https://usn.ubuntu.com/3826-1/Third Party Advisory
- https://www.debian.org/security/2019/dsa-4454
FAQ
What is CVE-2018-18954?
CVE-2018-18954 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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.
How severe is CVE-2018-18954?
CVE-2018-18954 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2018-18954?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Canonical Ubuntu Linux, Opensuse Leap.