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CVE-2022-4172
An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the…
Medium6.5EPSS 0.40%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
An integer overflow and buffer overflow issues were found in the ACPI Error Record Serialization Table (ERST) device of QEMU in the read_erst_record() and write_erst_record() functions. Both issues may allow the guest to overrun the host buffer allocated for the ERST memory device. A malicious guest could use these flaws to crash the QEMU process on the host.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium6.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.40% · top 65% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
QEMU (ACPI ERST)
- affected Affected: 7.0.0, Fixed: 7.2.0-rc0
References (5)
- https://lore.kernel.org/qemu-devel/20221024154233.1043347-1-lk%40c--e.de/ (opens in a new tab)x_transferred
- https://gitlab.com/qemu-project/qemu/-/issues/1268 (opens in a new tab)x_transferred
- https://gitlab.com/qemu-project/qemu/-/commit/defb7098 (opens in a new tab)x_transferred
- FEDORA-2022-22b1f8dae2 (opens in a new tab)vendor-advisoryx_transferred
- https://security.netapp.com/advisory/ntap-20230127-0013/ (opens in a new tab)x_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-2022-4172)Record last updated .