The shmem_delete_inode function in mm/shmem.c in the tmpfs implementation in the Linux kernel before 2.6.26.1 allows local users to cause a denial of service (system crash) via a certain sequence of file create, remove, and overwrite operations, as demonstrated by the insserv program, related to allocation of "useless pages" and improper maintenance of the i_blocks count.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-2.6.22-15-rtUpgrade linux-image-2.6.22-15-umeUpgrade linux-image-2.6.15-52-itanium-smpUpgrade linux-image-2.6.24-21-itaniumUpgrade linux-image-2.6.24-21-powerpc-smpUpgrade linux-image-2.6.15-52-amd64-xeonUpgrade linux-image-2.6.24-21-sparc64-smpUpgrade linux-image-2.6.24-21-openvzUpgrade linux-image-2.6.24-21-virtualUpgrade linux-image-2.6.24-21-xenUpgrade linux-image-2.6.22-15-hppa32Upgrade linux-image-2.6.15-52-powerpc64-smpUpgrade linux-image-2.6.24-21-genericUpgrade linux-image-2.6.22-15-sparc64-smpUpgrade linux-image-2.6.15-52-serverUpgrade linux-image-2.6.24-21-rtUpgrade linux-image-2.6.15-52-hppa64Upgrade linux-image-2.6.22-15-cellUpgrade linux-image-2.6.15-52-server-bigironUpgrade linux-image-2.6.22-15-genericUpgrade linux-image-2.6.15-52-mckinley-smpUpgrade linux-image-2.6.22-15-hppa64Upgrade linux-image-2.6.22-15-powerpc64-smpUpgrade linux-image-2.6.22-15-virtualUpgrade linux-image-2.6.24-21-serverUpgrade linux-image-2.6.15-52-itaniumUpgrade linux-image-2.6.24-21-lpiacompatUpgrade linux-image-2.6.15-52-hppa64-smpUpgrade linux-image-2.6.15-52-386Upgrade linux-image-2.6.15-52-amd64-k8Upgrade linux-image-2.6.24-21-powerpcUpgrade linux-image-2.6.24-21-mckinleyUpgrade linux-image-2.6.22-15-mckinleyUpgrade linux-image-2.6.22-15-powerpcUpgrade linux-image-2.6.15-52-sparc64Upgrade linux-image-2.6.24-21-386Upgrade linux-image-2.6.24-21-lpiaUpgrade linux-image-2.6.22-15-386Upgrade linux-image-2.6.22-15-itaniumUpgrade linux-image-2.6.15-52-hppa32-smpUpgrade linux-image-2.6.22-15-lpiaUpgrade linux-image-2.6.15-52-hppa32Upgrade linux-image-2.6.15-52-amd64-genericUpgrade linux-image-2.6.24-21-hppa32Upgrade linux-image-2.6.24-21-powerpc64-smpUpgrade linux-image-2.6.15-52-amd64-serverUpgrade linux-image-2.6.22-15-xenUpgrade linux-image-2.6.15-52-powerpc-smpUpgrade linux-image-2.6.22-15-sparc64Upgrade linux-image-2.6.22-15-serverUpgrade linux-image-2.6.24-21-sparc64Upgrade linux-image-2.6.15-52-mckinleyUpgrade linux-image-2.6.15-52-k7Upgrade linux-image-2.6.22-15-lpiacompatUpgrade linux-image-2.6.15-52-sparc64-smpUpgrade linux-image-2.6.22-15-powerpc-smpUpgrade linux-image-2.6.24-21-hppa64Upgrade linux-image-2.6.15-52-686Upgrade linux-image-2.6.15-52-powerpc | Nov 8, 2024 | Aug 8, 2008 |
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