Is CVE-2009-1961 in the CISA KEV catalog?

No. CVE-2009-1961 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-1961?

CVE-2009-1961 has a CVSS v3 base score of 4.7 (MEDIUM).

What is the EPSS score for CVE-2009-1961?

CVE-2009-1961 has an EPSS score of 0.59% (44th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2009-1961?

Upgrade linux kernel to 2.6.29.4 or later.

CVE & CISA-KEV Catalog

CVE-2009-1961

MEDIUM

4.7

CVSS v3

NVD

Description

The inode double locking code in fs/ocfs2/file.c in the Linux kernel 2.6.30 before 2.6.30-rc3, 2.6.27 before 2.6.27.24, 2.6.29 before 2.6.29.4, and possibly other versions down to 2.6.19 allows local users to cause a denial of service (prevention of file creation and removal) via a series of splice system calls that trigger a deadlock between the generic_file_splice_write, splice_from_pipe, and ocfs2_file_splice_write functions.

CWE-667

How to fix

Remediation Available

linux kernelNVD

Affected:>= 2.6.29, < 2.6.29.4Fixed in:2.6.29.4CVE-2009-1961derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityHigh

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.59%probability of exploitation in 30 days

44thpercentile

Moderate risk: more likely to be exploited than 44% of all known CVEs.

References

Patch3

Exploit3

Third-Party Advisory2

Mailing List3

Other references9

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-23.