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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.
Medium5.5EPSS 0.52%
- Published
- Updated
- Reserved
- Assigned by
- mitre
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium5.5 | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.52% · top 56% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
n/a
- affected n/a
References (7)
- USN-3826-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- [oss-security] 20181107 CVE-2018-18954 QEMU: ppc64: Out-of-bounds r/w stack access in pnv_lpc_do_eccb (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 105920 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [Qemu-devel] 20181103 [PATCH v2] ppc/pnv: check size before data buffer access (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- openSUSE-SU-2019:1074 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-4454 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20190531 [SECURITY] [DSA 4454-1] qemu security update (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2018-18954)Record last updated .