Vulnerability Description
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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.28 |
| Debian | Debian Linux | 4.0 |
| Canonical | Ubuntu Linux | 6.06 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.27.y.git%3Ba=commit%3
- http://kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.28-rc1Vendor Advisory
- http://rhn.redhat.com/errata/RHSA-2009-0264.htmlThird Party Advisory
- http://secunia.com/advisories/32510Third Party Advisory
- http://secunia.com/advisories/32918Third Party Advisory
- http://secunia.com/advisories/32998Third Party Advisory
- http://secunia.com/advisories/33180Third Party Advisory
- http://secunia.com/advisories/33556Third Party Advisory
- http://secunia.com/advisories/33858Third Party Advisory
- http://www.debian.org/security/2008/dsa-1681Third Party Advisory
- http://www.debian.org/security/2008/dsa-1687Third Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2008:234Third Party Advisory
- http://www.openwall.com/lists/oss-security/2008/11/03/2Mailing ListThird Party Advisory
- http://www.redhat.com/support/errata/RHSA-2009-0014.htmlPatchThird Party Advisory
- http://www.securityfocus.com/bid/32096PatchThird Party AdvisoryVDB Entry
FAQ
What is CVE-2008-4934?
CVE-2008-4934 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 al...
How severe is CVE-2008-4934?
CVE-2008-4934 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2008-4934?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Canonical Ubuntu Linux.