CVE-2009-1961

lowpriority · track · 29EPSS 0.006 · 48 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

0.59% (48th) EPSS

CVSS 1.9 · low

Is it mine?

43 products

Check your exposure

Who says so?

3 sources

enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedkernel-rt-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-0:2.6.24.7-126.el5rt.src as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debug-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debug-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debug-debuginfo-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debug-debuginfo-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debug-devel-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debug-devel-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debuginfo-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debuginfo-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debuginfo-common-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-debuginfo-common-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-devel-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-devel-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-doc-0:2.6.24.7-126.el5rt.noarch as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-trace-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-trace-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-trace-debuginfo-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-trace-debuginfo-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-trace-devel-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-trace-devel-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-vanilla-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-vanilla-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-vanilla-debuginfo-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-vanilla-debuginfo-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-vanilla-devel-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157
Fixedkernel-rt-vanilla-devel-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverredhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. This update is available via Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at http://kbase.redhat.com/faq/docs/DOC-11259
https://access.redhat.com/errata/RHSA-2009:1157

cvss

Technical severity, 0–10. One row per scoring source.

4.7

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.9–4.7

v2.01.9lowAV:L/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 3.4 · impact 2.9

v3.14.7mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 1 · impact 3.6

v2.02.1lowAV:L/AC:L/Au:N/C:N/I:N/A:Psecondary · Red Hat Product Security US

v3.14.5mediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-667USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-33015Linux Kernel 2.6.x - 'splice(2)' Double Lock Local Denial of Servicefunctional · exploit_db

affected products (43)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
canonical ubuntu linux= 6.06nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 8.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 8.10nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
canonical ubuntu linux= 9.04nvdUScpe:2.3:o:canonical:ubuntu_linux:*:*:*:*:*:*:*:*
debian debian linux= 4.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
linux linux kernel≤ 2.6.19nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel2.6.27 → 2.6.27.24nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel2.6.29 → 2.6.29.4nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel= 2.6.30nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
opensuse opensuse= 10.3nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
opensuse opensuse= 11.1nvdUScpe:2.3:o:opensuse:opensuse:*:*:*:*:*:*:*:*
suse linux enterprise= 11.0nvdUScpe:2.3:o:suse:linux_enterprise:*:*:*:*:*:*:*:*
suse linux enterprise desktop= 11nvdUScpe:2.3:o:suse:linux_enterprise_desktop:*:*:*:*:*:*:*:*
suse linux enterprise server= 11nvdUScpe:2.3:o:suse:linux_enterprise_server:*:*:*:*:*:*:*:*
kernel-rt-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-0:2.6.24.7-126.el5rt.src as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debug-0:2.6.24.7-126.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debug-0:2.6.24.7-126.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS

showing 20 of 43

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2009:1157Red Hat Security Advisory: kernel-rt security and bug fix update2009-07-14csaf · redhat_csafUS
Updated kernel-rt packages that fix several security issues and various bugs are now available for Red Hat Enterprise MRG 1.1. This update has been rated as having important security impact by the Red Hat Security Response Team.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2009-06-08modified 2026-06-16

related (1,369)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-43510US	high7.8OT critical	0.36% (29th)	KEV	2025-12-12
A memory corruption issue was addressed with improved lock state checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macO…
CVE-2021-1782US	high7.0OT critical	2.22% (83rd)	KEV	2021-04-02
A race condition was addressed with improved locking. This issue is fixed in macOS Big Sur 11.2, Security Update 2021-001 Catalina, Security Update 2021-001 Mojave, watchOS 7.3, tv…
CVE-2019-10072US	high7.5	73.0% (99th)	—	2019-06-21
The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not…
CVE-2002-1850US	high7.5	17.4% (97th)	Exploit	2002-12-31
mod_cgi in Apache 2.0.39 and 2.0.40 allows local users and possibly remote attackers to cause a denial of service (hang and memory consumption) by causing a CGI script to send a la…
CVE-2020-29661US	high7.8	1.12% (66th)	Exploit	2020-12-09
A locking issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_jobctrl.c allows a use-after-free attack against TIOCSPGRP, aka CID-54ffccbf…

+1364 more

references (40)

External citations — patches, advisories, analysis.

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