CVE-2009-1630

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 nfs_permission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomic_open is available, does not check execute (aka EXEC or MAY_EXEC) permission bits, which allows local users to bypass permissions and execute files, as demonstrated by files on an NFSv4 fileserver.

CVSS v3
—
EG Score
0.0(none)
EG Risk
0
EG Risk 0/100

EG Risk is EchelonGraph's 0–100 priority score. It fuses intrinsic severity with real-world exploitation and automatability, so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. It is distinct from the 0–10 EG Score, which measures severity.

EPSS
38.9%
KEV
Not listed

Published

May 14, 2009

Last Modified

April 23, 2026

References (64)

Vendor Advisories for CVE-2009-1630(3)

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

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulinux-image-2.6.28-13-server (2.6.28-13.45) @ jaunty2026-05-30ubuntu
redhatkernel-rt-0:2.6.24.7-126.el5rt2009-07-14redhat
redhatkernel-0:2.6.9-89.0.3.EL2009-06-30redhat
redhatkernel-0:2.6.18-128.1.14.el52009-06-16redhat

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.

Additional Vendor Advisories

(1)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 10× in last 7d / 39× 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. 2026-07-23 00:59 UTCEG score recompute
  2. 2026-07-23 00:37 UTCEG score recompute
  3. 2026-07-23 00:03 UTCEG score recompute
  4. 2026-07-22 21:42 UTCEG score recompute
  5. 2026-07-22 14:03 UTCEPSS rescore
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  55. 2026-05-30 16:51 UTCEG score recompute
  56. 2026-05-30 16:51 UTCVendor advisory
  57. 2026-05-30 16:51 UTCGHSA enrichment
  58. 2026-05-29 13:40 UTCEPSS rescore
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  75. 2026-05-18 21:29 UTCEPSS rescore

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Frequently asked(4)

What is CVE-2009-1630?
CVE-2009-1630 is a none vulnerability published on May 14, 2009. The nfspermission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomicopen is available, does not check execute (aka EXEC or MAY_EXEC) permission bits, which allows local users to bypass permissions and execute files, as demonstrated by…
When was CVE-2009-1630 disclosed?
CVE-2009-1630 was first published in the National Vulnerability Database on May 14, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2009-1630 actively exploited?
CVE-2009-1630 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 38.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2009-1630?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-1630, 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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