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CVE
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CVE-2016-4998Date: (C)2016-08-25   (M)2024-03-21


The IPT_SO_SET_REPLACE setsockopt implementation in the netfilter subsystem in the Linux kernel before 4.6 allows local users to cause a denial of service (out-of-bounds read) or possibly obtain sensitive information from kernel heap memory by leveraging in-container root access to provide a crafted offset value that leads to crossing a ruleset blob boundary.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : 7.1CVSS Score : 5.6
Exploit Score: 1.8Exploit Score: 3.9
Impact Score: 5.2Impact Score: 7.8
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: LOCALAccess Vector: LOCAL
Attack Complexity: LOWAccess Complexity: LOW
Privileges Required: LOWAuthentication: NONE
User Interaction: NONEConfidentiality: PARTIAL
Scope: UNCHANGEDIntegrity: NONE
Confidentiality: HIGHAvailability: COMPLETE
Integrity: NONE 
Availability: HIGH 
  
Reference:
SECTRACK-1036171
BID-91451
DSA-3607
RHSA-2016:1847
RHSA-2016:1875
RHSA-2016:1883
RHSA-2017:0036
SUSE-SU-2016:2105
USN-3016-1
USN-3016-2
USN-3016-3
USN-3016-4
USN-3017-1
USN-3017-2
USN-3017-3
USN-3018-1
USN-3018-2
USN-3019-1
USN-3020-1
http://www.openwall.com/lists/oss-security/2016/06/24/5
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.oracle.com/technetwork/topics/security/ovmbulletinoct2016-3090547.html
https://bugzilla.redhat.com/show_bug.cgi?id=1349886
https://github.com/torvalds/linux/commit/6e94e0cfb0887e4013b3b930fa6ab1fe6bb6ba91
openSUSE-SU-2016:2184

CWE    1
CWE-119
OVAL    40
oval:org.secpod.oval:def:703173
oval:org.secpod.oval:def:703179
oval:org.secpod.oval:def:110801
oval:org.secpod.oval:def:204073
...

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