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CVE-2011-2527
The change_process_uid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is…
Low2.1EPSS 0.44%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
The change_process_uid function in os-posix.c in Qemu 0.14.0 and earlier does not properly drop group privileges when the -runas option is used, which allows local guest users to access restricted files on the host.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.44% · top 62% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.1.
Weakness
Affected products
n/a
- affected n/a
References (16)
- qemu-runas-priv-escalation(68539) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [oss-security] 20110712 CVE Request: qemu -runas does not clear supplementary groups (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 48659 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [oss-security] 20110712 Re: CVE Request: qemu -runas does not clear supplementary groups (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- DSA-2282 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 47992 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 45419 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugs.launchpad.net/qemu/+bug/807893 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2012:0207 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 74752 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 47157 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 45188 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-1177-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 45187 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2012-8604 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- RHSA-2011:1531 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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)
Record last updated .