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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
---
---
CVEADP
---
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Base Score
CVSS 3.x
EPSS Score
Percentile: 35%
VendorProductVersion
linuxlinux_kernel
5.3 ≤
𝑥
< 5.3.4
canonicalubuntu_linux
19.10
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
trixie
6.11.5-1
fixed
sid
6.11.6-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
eoan
Fixed 5.3.0-19.20
released
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws
eoan
Fixed 5.3.0-1004.4
released
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-aws-5.0
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-aws-hwe
eoan
dne
disco
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
eoan
Fixed 5.3.0-1004.4
released
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
linux-azure-5.3
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-edge
eoan
dne
disco
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-gcp
eoan
Fixed 5.3.0-1005.5
released
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-gcp-5.3
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-edge
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-4.15
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.0
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe
eoan
dne
disco
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-hwe-edge
eoan
dne
disco
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-kvm
eoan
Fixed 5.3.0-1004.4
released
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-lts-trusty
eoan
dne
disco
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
eoan
dne
disco
dne
bionic
dne
xenial
dne
trusty
not-affected
linux-oem
eoan
not-affected
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-oem-5.4
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
eoan
not-affected
disco
not-affected
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle
eoan
Fixed 5.3.0-1003.3
released
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-oracle-5.0
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
eoan
Fixed 5.3.0-1008.9
released
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi2-5.3
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-snapdragon
eoan
dne
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne