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CVE
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CVE-2011-0521Date: (C)2011-02-02   (M)2018-06-09


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 and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 6.9
Exploit Score: Exploit Score: 3.4
Impact Score: Impact Score: 10.0
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: LOCAL
Attack Complexity: Access Complexity: MEDIUM
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: COMPLETE
Scope: Integrity: COMPLETE
Confidentiality: Availability: COMPLETE
Integrity:  
Availability:  
  
Reference:
SECTRACK-1025195
http://www.securityfocus.com/archive/1/archive/1/520102/100/0/threaded
SECUNIA-43009
BID-45986
SECUNIA-46397
IAVM:2011-A-0147
http://openwall.com/lists/oss-security/2011/01/24/2
http://openwall.com/lists/oss-security/2011/01/25/2
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cb26a24ee9706473f31d34cc259f4dcf45cd0644
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.38-rc2
http://www.vmware.com/security/advisories/VMSA-2011-0012.html
kernel-av7110ca-privilege-escalation(64988)

CPE    445
cpe:/o:linux:linux_kernel:2.6.33:rc7
cpe:/o:linux:linux_kernel:2.6.33:rc4
cpe:/o:linux:linux_kernel:2.6.33:rc3
cpe:/o:linux:linux_kernel:2.6.33:rc6
...
CWE    1
CWE-189
OVAL    20
oval:org.secpod.oval:def:700569
oval:org.secpod.oval:def:700550
oval:org.secpod.oval:def:700509
oval:org.secpod.oval:def:700519
...

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