CVE-2012-0810
mediumpriority · track · 22EPSS 0.004 · 32 %ileEUUSEPSS · scored 2026-10-28
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows local users to cause a denial of service (stack corruption and panic) via a crafted application that triggers certain lock contention.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedkernel-rt-0:3.0.18-rt34.53.el6rt.src as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-debug-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-debug-debuginfo-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-debug-devel-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-debuginfo-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-debuginfo-common-x86_64-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-devel-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-doc-0:3.0.18-rt34.53.el6rt.noarch as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-firmware-0:3.0.18-rt34.53.el6rt.noarch as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-trace-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-trace-debuginfo-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-trace-devel-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-vanilla-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-vanilla-debuginfo-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333 - Fixedkernel-rt-vanilla-devel-0:3.0.18-rt34.53.el6rt.x86_64 as a component of Red Hat MRG Realtime for RHEL 6 Server v.2redhat_csaf
Users should upgrade to these updated packages, which correct these issues. The system must be rebooted for this update to take effect. Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 To install kernel packages manually, use "rpm -ivh [package]". Do not use "rpm -Uvh" as that will remove the running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system.
https://access.redhat.com/errata/RHSA-2012:0333
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (18)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- RHSA-2012:0333Red Hat Security Advisory: kernel-rt security and bug fix update2012-02-23csaf · redhat_csafUS
Updated kernel-rt packages that fix multiple security issues and various bugs are now available for Red Hat Enterprise MRG 2.1. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (11)
External citations — patches, advisories, analysis.
- http://www.kernel.org/Patchcnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=794557cnnvd
- https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git/commit/?id=bcf6b1d78c0bde228929c388978ed3af9a623463cnnvd
- https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git/commit/?id=e5d4e1c3ccee18c68f23d62ba77bda26e893d4f0cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2012-0810cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=794557enisa_euvd
- https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git/commit/?id=bcf6b1d78c0bde228929c388978ed3af9a623463enisa_euvd
- https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git/commit/?id=e5d4e1c3ccee18c68f23d62ba77bda26e893d4f0enisa_euvd
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