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CVE
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CVE-2016-7042Date: (C)2016-10-18   (M)2024-02-22


The proc_keys_show function in security/keys/proc.c in the Linux kernel through 4.8.2, when the GNU Compiler Collection (gcc) stack protector is enabled, uses an incorrect buffer size for certain timeout data, which allows local users to cause a denial of service (stack memory corruption and panic) by reading the /proc/keys file.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 6.2CVSS Score : 4.9
Exploit Score: 2.5Exploit Score: 3.9
Impact Score: 3.6Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: NONEAuthentication: NONE
User Interaction: NONEConfidentiality: NONE
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: NONEAvailability: COMPLETE
Integrity: NONE 
Availability: HIGH 
  
Reference:
BID-93544
RHSA-2017:0817
RHSA-2017:1842
RHSA-2017:2077
RHSA-2017:2669
http://www.openwall.com/lists/oss-security/2016/10/13/5
https://bugzilla.redhat.com/show_bug.cgi?id=1373966
https://source.android.com/security/bulletin/2017-01-01.html

CPE    1
cpe:/o:linux:linux_kernel
CWE    1
CWE-119
OVAL    34
oval:org.secpod.oval:def:703352
oval:org.secpod.oval:def:703351
oval:org.secpod.oval:def:703350
oval:org.secpod.oval:def:1501808
...

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