CVE-2018-20976

An issue was discovered in fs/xfs/xfs_super.c in the Linux kernel before 4.18. A use after free exists, related to xfs_fs_fill_super failure.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 25%
VendorProductVersion
linuxlinux_kernel
𝑥
< 4.18
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
focal
not-affected
eoan
not-affected
disco
not-affected
bionic
Fixed 4.15.0-65.74
released
xenial
Fixed 4.4.0-165.193
released
trusty
ignored
linux-aws
focal
not-affected
eoan
not-affected
disco
not-affected
bionic
Fixed 4.15.0-1051.53
released
xenial
Fixed 4.4.0-1095.106
released
trusty
ignored
linux-aws-5.0
focal
dne
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-aws-hwe
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
Fixed 4.15.0-1051.53~16.04.1
released
trusty
dne
linux-azure
focal
not-affected
eoan
not-affected
disco
not-affected
bionic
Fixed 4.18.0-1011.11~18.04.1
released
xenial
Fixed 4.15.0-1060.65
released
trusty
ignored
linux-azure-5.3
focal
dne
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-edge
focal
dne
eoan
dne
disco
dne
bionic
Fixed 4.18.0-1011.11~18.04.1
released
xenial
Fixed 4.15.0-1060.65
released
trusty
dne
linux-gcp
focal
not-affected
eoan
not-affected
disco
not-affected
bionic
Fixed 5.0.0-1020.20~18.04.1
released
xenial
Fixed 4.15.0-1046.49
released
trusty
dne
linux-gcp-5.3
focal
dne
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-edge
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.0.0-1020.20~18.04.1
released
xenial
dne
trusty
dne
linux-gke-4.15
focal
dne
eoan
dne
disco
dne
bionic
Fixed 4.15.0-1045.48
released
xenial
dne
trusty
dne
linux-gke-5.0
focal
dne
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.3
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe
focal
dne
eoan
dne
disco
dne
bionic
not-affected
xenial
Fixed 4.15.0-65.74~16.04.1
released
trusty
dne
linux-hwe-edge
focal
dne
eoan
dne
disco
dne
bionic
not-affected
xenial
Fixed 4.15.0-65.74~16.04.1
released
trusty
dne
linux-kvm
focal
not-affected
eoan
not-affected
disco
not-affected
bionic
Fixed 4.15.0-1047.47
released
xenial
Fixed 4.4.0-1059.66
released
trusty
dne
linux-lts-trusty
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
dne
trusty
ignored
linux-oem
focal
dne
eoan
Fixed 4.15.0-1057.66
released
disco
ignored
bionic
Fixed 4.15.0-1057.66
released
xenial
ignored
trusty
dne
linux-oem-5.6
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
focal
dne
eoan
not-affected
disco
not-affected
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle
focal
not-affected
eoan
not-affected
disco
Fixed 5.0.0-1004.8
released
bionic
Fixed 4.15.0-1026.29
released
xenial
Fixed 4.15.0-1026.29~16.04.1
released
trusty
dne
linux-oracle-5.0
focal
dne
eoan
dne
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-oracle-5.3
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-raspi2
focal
not-affected
eoan
not-affected
disco
not-affected
bionic
Fixed 4.15.0-1048.52
released
xenial
Fixed 4.4.0-1123.132
released
trusty
dne
linux-raspi2-5.3
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-snapdragon
focal
dne
eoan
dne
disco
not-affected
bionic
Fixed 4.15.0-1065.72
released
xenial
Fixed 4.4.0-1127.135
released
trusty
dne
References