CVE-2008-3534
MEDIUM severity · CVSS 4.9 · Uncontrolled resource consumption
4.9CVSS MEDIUM
Summary
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.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)1%
AV:L/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.26.y.git%3Ba=commit%3Bh=14fcc23fdc78e9d32372553ccf21758a9bd56fa1
- http://secunia.com/advisories/31881Advisory
- http://secunia.com/advisories/32190Advisory
- http://secunia.com/advisories/32393Advisory
- http://www.debian.org/security/2008/dsa-1636Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.26.1
- http://www.redhat.com/support/errata/RHSA-2008-0857.htmlAdvisory
- http://lkml.org/lkml/2008/7/26/71Advisory