CVE-2011-1011

NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 0%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

The seunshare_mount function in sandbox/seunshare.c in seunshare in certain Red Hat packages of policycoreutils 2.0.83 and earlier in Red Hat Enterprise Linux (RHEL) 6 and earlier, and Fedora 14 and earlier, mounts a new directory on top of /tmp without assigning root ownership and the sticky bit to this new directory, which allows local users to replace or delete arbitrary /tmp files, and consequently cause a denial of service or possibly gain privileges, by running a setuid application that relies on /tmp, as demonstrated by the ksu application.

CVSS v3
—
EG Score
0.0(none)
EPSS
28.8%
KEV
Not listed

Published

February 24, 2011

Last Modified

April 29, 2026

References (30)

Vendor Advisories for CVE-2011-1011(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatselinux-policy-0:3.7.19-54.el6_0.52011-04-04redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Data Freshness Timeline

(refreshed 10× in last 7d / 44× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 16:23 UTCEPSS rescore
  2. 2026-07-06 02:19 UTCEPSS rescore
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  1. 2026-06-19 19:22 UTCEPSS rescore
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  10. 2026-06-14 23:14 UTCEPSS rescore
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  37. 2026-05-29 13:41 UTCEPSS rescore
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  39. 2026-05-29 08:43 UTCEG score recompute
  40. 2026-05-29 08:43 UTCVendor advisory
  41. 2026-05-29 08:43 UTCGHSA enrichment
  42. 2026-05-28 13:42 UTCEPSS rescore
  43. 2026-05-28 13:42 UTCEPSS rescore
  44. 2026-05-28 13:42 UTCEPSS rescore
  45. 2026-05-27 13:38 UTCEPSS rescore
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  49. 2026-05-26 07:16 UTCEPSS rescore
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  51. 2026-05-24 16:43 UTCEPSS rescore
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  61. 2026-05-18 21:29 UTCEPSS rescore
  62. 2026-05-18 21:29 UTCEPSS rescore

Frequently asked(4)

What is CVE-2011-1011?
CVE-2011-1011 is a none vulnerability published on February 24, 2011. The seunshare_mount function in sandbox/seunshare.c in seunshare in certain Red Hat packages of policycoreutils 2.0.83 and earlier in Red Hat Enterprise Linux (RHEL) 6 and earlier, and Fedora 14 and earlier, mounts a new directory on top of /tmp without assigning root ownership and the sticky bit…
When was CVE-2011-1011 disclosed?
CVE-2011-1011 was first published in the National Vulnerability Database on February 24, 2011, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2011-1011 actively exploited?
CVE-2011-1011 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 28.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2011-1011?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-1011, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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