CVE-2008-3534
First published: Fri Aug 08 2008(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Kernel | <2.6.26.1 | |
| Debian GNU/Linux | =4.0 | |
| Ubuntu Linux | =6.06 | |
| Ubuntu Linux | =7.10 | |
| Ubuntu Linux | =8.04 | |
| Debian | =4.0 | |
| Ubuntu | =6.06 | |
| Ubuntu | =7.10 | |
| Ubuntu | =8.04 |
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Reference Links
- http://lkml.org/lkml/2008/7/26/71
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git;a=commit;h=14fcc23fdc78e9d32372553ccf21758a9bd56fa1
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26.1
- http://www.debian.org/security/2008/dsa-1636
- http://www.securityfocus.com/bid/31134
- http://secunia.com/advisories/31881
- http://www.redhat.com/support/errata/RHSA-2008-0857.html
- http://secunia.com/advisories/32190
- http://www.ubuntu.com/usn/usn-659-1
- http://secunia.com/advisories/32393
- https://exchange.xforce.ibmcloud.com/vulnerabilities/44489
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=14fcc23fdc78e9d32372553ccf21758a9bd56fa1
Frequently Asked Questions
What is the severity of CVE-2008-3534?
CVE-2008-3534 has a moderate severity level as it can lead to a denial of service through crashes caused by specific file operations.
How do I fix CVE-2008-3534?
To fix CVE-2008-3534, users should update their Linux kernel to version 2.6.26.1 or later.
Who is affected by CVE-2008-3534?
CVE-2008-3534 affects local users of the Linux kernel versions prior to 2.6.26.1 on systems using tmpfs.
What systems are impacted by CVE-2008-3534?
CVE-2008-3534 impacts various Linux distributions such as Debian 4.0 and Ubuntu versions 6.06, 7.10, and 8.04.
What type of vulnerability is CVE-2008-3534?
CVE-2008-3534 is categorized as a denial of service vulnerability due to file operation sequences causing system crashes.
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