Vulnerability Monitor

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CVE-2011-0521

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

2011-02-02T23:00:32.940

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.2 (HIGH)

CVSSv2 Vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector: LOCAL
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

3.9

Impact Score

10.0

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 2.6.38	Yes
Operating System	linux	linux_kernel	2.6.38	Yes
Operating System	linux	linux_kernel	2.6.38	Yes

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644 ([email protected])
http://openwall.com/lists/oss-security/2011/01/24/2 Mailing List, Patch, Third Party Advisory ([email protected])
http://openwall.com/lists/oss-security/2011/01/25/2 Mailing List, Patch, Third Party Advisory ([email protected])
http://secunia.com/advisories/43009 Third Party Advisory ([email protected])
http://secunia.com/advisories/46397 Third Party Advisory ([email protected])
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2 Broken Link ([email protected])
http://www.securityfocus.com/archive/1/520102/100/0/threaded Third Party Advisory, VDB Entry ([email protected])
http://www.securityfocus.com/bid/45986 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id?1025195 Third Party Advisory, VDB Entry ([email protected])
http://www.vmware.com/security/advisories/VMSA-2011-0012.html Third Party Advisory ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/64988 Third Party Advisory, VDB Entry ([email protected])
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=cb26a24ee9706473f31d34cc259f4dcf45cd0644 (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/01/24/2 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://openwall.com/lists/oss-security/2011/01/25/2 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/43009 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://secunia.com/advisories/46397 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2 Broken Link (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/520102/100/0/threaded Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/45986 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025195 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.vmware.com/security/advisories/VMSA-2011-0012.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/64988 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)