CVE-2011-0521

Name: CVE-2011-0521
Creator: NVD / NIST
Published: 2011-02-02T23:00:32.94+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.41%

Last modified Jun 16, 2026

CVE-2011-0521 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

0.41%

32.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 2.6.38
Linux	Linux Kernel	2.6.38

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644
http://openwall.com/lists/oss-security/2011/01/24/2Mailing List, Patch, Third Party Advisory
http://openwall.com/lists/oss-security/2011/01/25/2Mailing List, Patch, Third 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 Advisory, VDB Entry
http://www.securityfocus.com/bid/45986Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1025195Third Party Advisory, VDB Entry
http://www.vmware.com/security/advisories/VMSA-2011-0012.htmlThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/64988Third Party Advisory, VDB Entry
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644
http://openwall.com/lists/oss-security/2011/01/24/2Mailing List, Patch, Third Party Advisory
http://openwall.com/lists/oss-security/2011/01/25/2Mailing List, Patch, Third 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 Advisory, VDB Entry
http://www.securityfocus.com/bid/45986Third Party Advisory, VDB Entry
http://www.securitytracker.com/id?1025195Third Party Advisory, VDB Entry
http://www.vmware.com/security/advisories/VMSA-2011-0012.htmlThird Party Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/64988Third Party Advisory, VDB Entry

Timeline

Published: Feb 2, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-0521?

How severe is CVE-2011-0521?

Severity scoring for CVE-2011-0521 is pending analysis. The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2011-0521?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-0521?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST