7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.3%
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.
Author | Note |
---|---|
sbeattie | affects 5.3 kernels only |
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 19.10 | noarch | linux | < 5.3.0-19.20 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-aws | < 5.3.0-1004.4 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-azure | < 5.3.0-1004.4 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-gcp | < 5.3.0-1005.5 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-kvm | < 5.3.0-1004.4 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-oracle | < 5.3.0-1003.3 | UNKNOWN |
ubuntu | 19.10 | noarch | linux-raspi2 | < 5.3.0-1008.9 | UNKNOWN |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18198
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ca7a03c4175366a92cee0ccc4fec0038c3266e26
launchpad.net/bugs/cve/CVE-2019-18198
nvd.nist.gov/vuln/detail/CVE-2019-18198
security-tracker.debian.org/tracker/CVE-2019-18198
ubuntu.com/security/notices/USN-4161-1
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.3%