CVE-2009-1046

mediumpriority · track · 29EPSS 0.008 · 56 %ileexploit · functionalEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · functional

Likely / severe?

0.78% (56th) EPSS

CVSS 4.7 · medium

Is it mine?

34 products

Check your exposure

Who says so?

3 sources

enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

The console selection feature in the Linux kernel 2.6.28 before 2.6.28.4, 2.6.25, and possibly earlier versions, when the UTF-8 console is used, allows physically proximate attackers to cause a denial of service (memory corruption) by selecting a small number of 3-byte UTF-8 characters, which triggers an "off-by-two memory error." NOTE: it is not clear whether this issue crosses privilege boundaries.

remediations

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

A vendor fix is available.

Fixedkernel-rt-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debug-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debug-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debug-debuginfo-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debug-debuginfo-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debug-devel-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debug-devel-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debuginfo-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debuginfo-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debuginfo-common-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-debuginfo-common-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-devel-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-devel-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-doc-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-trace-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-trace-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-trace-debuginfo-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-trace-debuginfo-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-trace-devel-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-trace-devel-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-vanilla-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-vanilla-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-vanilla-debuginfo-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-vanilla-debuginfo-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-vanilla-devel-0:2.6.24.7-111.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-2009:0451
Fixedkernel-rt-vanilla-devel-0:2.6.24.7-111.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-2009:0451

cvss

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

6.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.7mediumAV:L/AC:M/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.4 · impact 6.9

v2.04.2mediumAV:L/AC:M/Au:N/C:N/I:N/A:C/E:POCsecondary · CVSS-BT (t0sche)

v2.06.9mediumAV:L/AC:M/Au:N/C:C/I:C/A:Csecondary · Red Hat Product Security US

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-9083Linux Kernel 2.6.24_16-23/2.6.27_7-10/2.6.28.3 (Ubuntu 8.04/8.10 / Fedora Core 10 x86-64) - 'set_selection()' UTF-8 Off-by-One Privilege Escalationfunctional · exploit_db

affected products (34)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
linux linux kernel= 2.6.25nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel= 2.6.28nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel= 2.6.28.1nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel= 2.6.28.2nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel= 2.6.28.3nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
kernel-rt-0:2.6.24.7-111.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-0:2.6.24.7-111.el5rt.src as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-0:2.6.24.7-111.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debug-0:2.6.24.7-111.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debug-0:2.6.24.7-111.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debug-debuginfo-0:2.6.24.7-111.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debug-debuginfo-0:2.6.24.7-111.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debug-devel-0:2.6.24.7-111.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debug-devel-0:2.6.24.7-111.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debuginfo-0:2.6.24.7-111.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debuginfo-0:2.6.24.7-111.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debuginfo-common-0:2.6.24.7-111.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-debuginfo-common-0:2.6.24.7-111.el5rt.x86_64 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS
kernel-rt-devel-0:2.6.24.7-111.el5rt.i686 as a component of MRG Realtime for RHEL 5 Serverall versionsfixedredhat_csafUS

showing 20 of 34

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2009:0451Red Hat Security Advisory: kernel-rt security and bug fix update2009-04-29csaf · redhat_csafUS
Updated kernel-rt packages that fix several security issues and a bug are now available for Red Hat Enterprise MRG 1.1.2. 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 2009-03-23modified 2026-06-16

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+3721 more

references (28)

External citations — patches, advisories, analysis.

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