CVE-2008-4934
HIGH severity · CVSS 7.8 · Improper input validation
7.8CVSS HIGH
Summary
The hfsplus_block_allocate function in fs/hfsplus/bitmap.c in the Linux kernel before 2.6.28-rc1 does not check a certain return value from the read_mapping_page function before calling kmap, which allows attackers to cause a denial of service (system crash) via a crafted hfsplus filesystem image.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impactNone
Availability impact—
Exploit probability (EPSS)3%
AV:N/AC:L/Au:N/C:N/I:N/A:C
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc1Advisory
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3Bh=649f1ee6c705aab644035a7998d7b574193a598a
- http://rhn.redhat.com/errata/RHSA-2009-0264.htmlAdvisory
- http://secunia.com/advisories/32510Advisory
- http://secunia.com/advisories/32918Advisory
- http://secunia.com/advisories/32998Advisory
- http://secunia.com/advisories/33180Advisory
- http://secunia.com/advisories/33556Advisory