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.
Published 2011-02-02 23:00:33
Updated 2023-02-13 03:22:39
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: OverflowMemory CorruptionDenial of service

Threat overview for CVE-2011-0521

Top countries where our scanners detected CVE-2011-0521
Top open port discovered on systems with this issue 49152
IPs affected by CVE-2011-0521 1,472
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-0521!
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Exploit prediction scoring system (EPSS) score for CVE-2011-0521

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-0521

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST

CWE ids for CVE-2011-0521

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-0521

Products affected by CVE-2011-0521

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