The journal_unmap_buffer function in fs/jbd2/transaction.c in the Linux kernel before 3.3.1 does not properly handle the _Delay and _Unwritten buffer head states, which allows local users to cause a denial of service (system crash) by leveraging the presence of an ext4 filesystem that was mounted with a journal.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernel-PAE-develUpgrade kernelUpgrade kernel-headersUpgrade kernel-firmwareUpgrade perfUpgrade kernel-docUpgrade kernel-develUpgrade kernel-debug-develUpgrade kernel-debugUpgrade kernel-xenUpgrade kernel-PAEUpgrade kernel-xen-develUpgrade python-perf | Dec 1, 2016 | Jul 3, 2012 |
| Oracle_linux | — | Upgrade kernel-uekUpgrade kernel | Oct 16, 2024 | Jul 3, 2012 |
| Suse | — | Upgrade kernel-default-manUpgrade kernel-ppc64-baseUpgrade xen-kmp-traceUpgrade kernel-ec2Upgrade kernel-docsUpgrade kernel-pae-baseUpgrade kernel-ec2-baseUpgrade kernel-symsUpgrade kernel-defaultUpgrade kernel-pae-develUpgrade kernel-trace-develUpgrade kernel-xen-extraUpgrade kernel-ec2-develUpgrade kernel-default-extraUpgrade kernel-ppc64Upgrade kernel-sourceUpgrade kernel-traceUpgrade kernel-xenUpgrade kernel-xen-baseUpgrade kernel-paeUpgrade kernel-default-baseUpgrade xen-kmp-paeUpgrade kernel-trace-extraUpgrade kernel-ppc64-develUpgrade kernel-pae-extraUpgrade kernel-xen-develUpgrade kernel-default-develUpgrade kernel-trace-baseUpgrade xen-kmp-default | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade linux-image-2.6.24-31-hppa64Upgrade linux-image-2.6.24-31-xenUpgrade linux-image-2.6.24-31-powerpc64-smpUpgrade linux-image-2.6.38-15-omapUpgrade linux-image-2.6.32-41-powerpcUpgrade linux-image-3.0.0-19-serverUpgrade linux-image-3.0.0-19-powerpc-smpUpgrade linux-image-2.6.32-41-virtualUpgrade linux-image-2.6.24-31-virtualUpgrade linux-image-3.0.0-19-genericUpgrade linux-image-3.0.0-19-omapUpgrade linux-image-2.6.32-41-powerpc64-smpUpgrade linux-image-2.6.32-345-ec2Upgrade linux-image-2.6.32-41-ia64Upgrade linux-image-2.6.24-31-serverUpgrade linux-image-2.6.38-15-genericUpgrade linux-image-2.6.24-31-sparc64-smpUpgrade linux-image-2.6.32-41-generic-paeUpgrade linux-image-2.6.38-15-powerpc-smpUpgrade linux-image-2.6.32-41-sparc64Upgrade linux-image-2.6.32-41-powerpc-smpUpgrade linux-image-3.0.0-19-virtualUpgrade linux-image-2.6.24-31-lpiacompatUpgrade linux-image-2.6.24-31-genericUpgrade linux-image-2.6.32-41-lpiaUpgrade linux-image-2.6.38-15-powerpcUpgrade linux-image-2.6.24-31-rtUpgrade linux-image-3.0.0-1209-omap4Upgrade linux-image-2.6.38-15-virtualUpgrade linux-image-2.6.32-41-genericUpgrade linux-image-2.6.24-31-sparc64Upgrade linux-image-3.0.0-19-powerpc64-smpUpgrade linux-image-2.6.32-41-386Upgrade linux-image-2.6.24-31-powerpc-smpUpgrade linux-image-2.6.32-41-versatileUpgrade linux-image-2.6.32-41-serverUpgrade linux-image-2.6.24-31-386Upgrade linux-image-2.6.38-15-generic-paeUpgrade linux-image-2.6.24-31-openvzUpgrade linux-image-2.6.32-41-sparc64-smpUpgrade linux-image-2.6.24-31-hppa32Upgrade linux-image-2.6.38-15-serverUpgrade linux-image-2.6.38-15-powerpc64-smpUpgrade linux-image-3.0.0-19-powerpcUpgrade linux-image-3.0.0-19-generic-paeUpgrade linux-image-2.6.24-31-powerpcUpgrade linux-image-2.6.24-31-lpiaUpgrade linux-image-2.6.38-1209-omap4Upgrade linux-image-2.6.24-31-mckinleyUpgrade linux-image-2.6.32-41-preemptUpgrade linux-image-2.6.38-15-versatileUpgrade linux-image-2.6.24-31-itanium | Nov 8, 2024 | Jul 3, 2012 |
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