Vulnerability Description
The dvb_ca_ioctl function in drivers/media/dvb/ttpci/av7110_ca.c in the Linux kernel before 2.6.38-rc2 does not check the sign of a certain integer field, which allows local users to cause a denial of service (memory corruption) or possibly have unspecified other impact via a negative value.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 2.6.38 |
Related Weaknesses (CWE)
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://openwall.com/lists/oss-security/2011/01/24/2Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/2Mailing ListPatchThird Party Advisory
- http://secunia.com/advisories/43009Third Party Advisory
- http://secunia.com/advisories/46397Third Party Advisory
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2Broken Link
- http://www.securityfocus.com/archive/1/520102/100/0/threadedThird Party AdvisoryVDB Entry
- http://www.securityfocus.com/bid/45986Third Party AdvisoryVDB Entry
- http://www.securitytracker.com/id?1025195Third Party AdvisoryVDB Entry
- http://www.vmware.com/security/advisories/VMSA-2011-0012.htmlThird Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64988Third Party AdvisoryVDB Entry
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=
- http://openwall.com/lists/oss-security/2011/01/24/2Mailing ListPatchThird Party Advisory
- http://openwall.com/lists/oss-security/2011/01/25/2Mailing ListPatchThird Party Advisory
- http://secunia.com/advisories/43009Third Party Advisory
FAQ
What is CVE-2011-0521?
CVE-2011-0521 is a vulnerability with a CVSS score of 7.2 (HIGH). The dvb_ca_ioctl function in drivers/media/dvb/ttpci/av7110_ca.c in the Linux kernel before 2.6.38-rc2 does not check the sign of a certain integer field, which allows local users to cause a denial of...
How severe is CVE-2011-0521?
CVE-2011-0521 has been rated HIGH with a CVSS base score of 7.2/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2011-0521?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.