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CVE-2017-2620
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The…
Medium5.5EPSS 3.6%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
Quick emulator (QEMU) before 2.8 built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to an out-of-bounds access issue. The issue could occur while copying VGA data in cirrus_bitblt_cputovideo. A privileged user inside guest could use this flaw to crash the QEMU process OR potentially execute arbitrary code on host with privileges of the QEMU process.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| redhatCNA (assigner) | 3.0 | Medium5.5 | CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L |
| NVDNVD · Modified | 3.0 | Critical9.9 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.6% · top 11% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
References (23)
- RHSA-2017:0329 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0334 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1037870 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:0328 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20180906 [SECURITY] [DLA 1497-1] qemu security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2017:0333 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0351 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0454 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://xenbits.xen.org/xsa/advisory-209.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2017:0331 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-2620 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20170221 CVE-2017-2620 Qemu: display: cirrus: out-of-bounds access issue while in cirrus_bitblt_cputovideo (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2017:0350 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20180206 [SECURITY] [DLA 1270-1] xen security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2017:0396 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- GLSA-201704-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- [qemu-devel] 20170221 [PATCH] cirrus: add blit_is_unsafe call to cirrus_bitblt_cputovideo (CVE-2017-2620) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2017:0352 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0330 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- RHSA-2017:0332 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 96378 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://support.citrix.com/article/CTX220771 (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201703-07 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_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-2017-2620)Record last updated .