VulnerabilityModified
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.
MEDIUM 5.5EPSS 0.52%
Does this matter?
Lower severity and a low EPSS score (0.52%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.52% probability · 44th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-787
- Affected
- qemu/qemu · canonical/ubuntu linux · opensuse/leap
- Source
- cve@mitre.org
EPSS 0.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.htmlMailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/06/6Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/105920Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.htmlMailing List, Patch, Third 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2018/11/06/6Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/105920Third Party Advisory, VDB Entry
- https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.htmlMailing List, Patch, Third 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.