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CVE-2018-14646

Good to know:

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Date: November 26, 2018

The Linux kernel before 4.15-rc8 was found to be vulnerable to a NULL pointer dereference bug in the __netlink_ns_capable() function in the net/netlink/af_netlink.c file. A local attacker could exploit this when a net namespace with a netnsid is assigned to cause a kernel panic and a denial of service.

Language: C

Severity Score

Related Resources (9)

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-14646
https://access.redhat.com/errata/RHSA-2018:3843
https://access.redhat.com/errata/RHSA-2018:3666
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f428fe4a04cc339166c8bbd489789760de3a0cee
https://access.redhat.com/security/cve/CVE-2018-14646
https://marc.info/?l=linux-netdev&m=151500466401174&w=2
https://nvd.nist.gov/vuln/detail/CVE-2018-14646
https://access.redhat.com/errata/RHSA-2018:3651
https://www.mend.io/vulnerability-database/CVE-2018-14646

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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