CVE DATABASE / CVE-2011-0521
CVE-2011-0521
CVSS 7.2 · HIGH
Summary
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 2.0 breakdown
| Base score | 7.2 (HIGH) |
| Vector | AV:L/AC:L/Au:N/C:C/I:C/A:C |
| Attack vector | LOCAL |
| Attack complexity | LOW |
| Confidentiality | COMPLETE |
| Integrity | COMPLETE |
| Availability | COMPLETE |
Weakness type (CWE)
Affected products
Linux linux kernel
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References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644
- http://openwall.com/lists/oss-security/2011/01/24/2
- http://openwall.com/lists/oss-security/2011/01/25/2
- http://secunia.com/advisories/43009
- http://secunia.com/advisories/46397
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.securityfocus.com/bid/45986
- http://www.securitytracker.com/id?1025195
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64988
Data: NIST NVD. NVD last modified 2026-04-29. Always verify against the vendor advisory before acting.