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fs/proc/base.c in the Linux kernel before 2.6.39.4 does not properly restrict access to /proc/#####/io files, which allows local users to obtain sensitive I/O statistics by polling a file, as demonstrated by discovering the length of another user's password.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernel-debug-develUpgrade kernel-debugUpgrade kernelUpgrade kernel-xen-develUpgrade kernel-xenUpgrade kernel-docUpgrade kernel-PAEUpgrade kernel-headersUpgrade kernel-develUpgrade kernel-PAE-devel | Dec 1, 2016 | Jun 13, 2012 |
| Oracle_linux | — | Upgrade kernelUpgrade kernel-uek | Oct 16, 2024 | Jun 13, 2012 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 21, 2011 |
| Suse | — | Upgrade kernel-xen-baseUpgrade kernel-pae-baseUpgrade kernel-sourceUpgrade kernel-symsUpgrade kernel-paeUpgrade kernel-xen-develUpgrade kernel-traceUpgrade kernel-xenUpgrade kernel-trace-develUpgrade kernel-default-manUpgrade kernel-default-develUpgrade kernel-ppc64Upgrade kernel-docsUpgrade kernel-ppc64-baseUpgrade kernel-ppc64-develUpgrade kernel-pae-develUpgrade kernel-trace-baseUpgrade kernel-default-baseUpgrade kernel-default | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade linux-image-2.6.24-29-hppa64Upgrade linux-image-2.6.24-29-hppa32Upgrade linux-image-2.6.32-35-powerpc-smpUpgrade linux-image-2.6.38-13-omapUpgrade linux-image-2.6.38-13-serverUpgrade linux-image-2.6.24-29-xenUpgrade linux-image-2.6.32-35-genericUpgrade linux-image-2.6.35-30-virtualUpgrade linux-image-2.6.24-29-serverUpgrade linux-image-2.6.24-29-mckinleyUpgrade linux-image-2.6.35-30-generic-paeUpgrade linux-image-2.6.24-29-sparc64-smpUpgrade linux-image-2.6.35-30-omapUpgrade linux-image-2.6.38-13-powerpc-smpUpgrade linux-image-2.6.32-35-powerpcUpgrade linux-image-2.6.35-30-powerpcUpgrade linux-image-2.6.24-29-386Upgrade linux-image-2.6.38-13-generic-paeUpgrade linux-image-2.6.38-13-versatileUpgrade linux-image-2.6.24-29-powerpc64-smpUpgrade linux-image-2.6.32-35-powerpc64-smpUpgrade linux-image-2.6.35-903-omap4Upgrade linux-image-2.6.32-35-serverUpgrade linux-image-2.6.35-30-powerpc64-smpUpgrade linux-image-2.6.32-35-sparc64-smpUpgrade linux-image-2.6.32-219-doveUpgrade linux-image-2.6.35-30-genericUpgrade linux-image-2.6.32-35-386Upgrade linux-image-2.6.32-319-ec2Upgrade linux-image-2.6.24-29-lpiaUpgrade linux-image-2.6.24-29-openvzUpgrade linux-image-2.6.38-13-genericUpgrade linux-image-2.6.32-35-versatileUpgrade linux-image-2.6.32-35-ia64Upgrade linux-image-2.6.32-35-preemptUpgrade linux-image-2.6.24-29-powerpcUpgrade linux-image-2.6.38-13-powerpcUpgrade linux-image-2.6.32-419-doveUpgrade linux-image-2.6.35-30-versatileUpgrade linux-image-2.6.31-611-imx51Upgrade linux-image-2.6.24-29-itaniumUpgrade linux-image-2.6.35-30-serverUpgrade linux-image-2.6.24-29-sparc64Upgrade linux-image-2.6.35-30-powerpc-smpUpgrade linux-image-2.6.38-13-virtualUpgrade linux-image-2.6.32-35-virtualUpgrade linux-image-2.6.38-1209-omap4Upgrade linux-image-2.6.32-35-generic-paeUpgrade linux-image-2.6.32-35-lpiaUpgrade linux-image-2.6.38-13-powerpc64-smpUpgrade linux-image-2.6.32-35-sparc64Upgrade linux-image-2.6.24-29-genericUpgrade linux-image-2.6.24-29-powerpc-smpUpgrade linux-image-2.6.24-29-rtUpgrade linux-image-2.6.24-29-virtualUpgrade linux-image-2.6.24-29-lpiacompat | Nov 8, 2024 | Jun 13, 2012 |
| Vmsa 2012 0001 | — | Upgrade VMware ESX 4.1 to build number 582267 | Feb 3, 2012 | Feb 3, 2012 |
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