CVE-2019-18198

In the Linux kernel before 5.3.4, a reference count usage error in the fib6_rule_suppress() function in the fib6 suppression feature of net/ipv6/fib6_rules.c, when handling the FIB_LOOKUP_NOREF flag, can be exploited by a local attacker to corrupt memory, aka CID-ca7a03c41753.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4	Release Notes Vendor Advisory
https://launchpad.net/bugs/1847478	Exploit Issue Tracking Third Party Advisory
https://github.com/torvalds/linux/commit/ca7a03c4175366a92cee0ccc4fec0038c3266e26	Patch Third Party Advisory
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26	Patch Vendor Advisory
https://usn.ubuntu.com/4161-1/	Third Party Advisory
https://security.netapp.com/advisory/ntap-20191031-0005/	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

Information

Published : 2019-10-18 15:15

Updated : 2023-01-20 10:48

NVD link : CVE-2019-18198

Mitre link : CVE-2019-18198

JSON object : View

CWE

CWE-772

Missing Release of Resource after Effective Lifetime

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Products Affected

canonical

ubuntu_linux

linux

linux_kernel

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