CVE-2020-12655

An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 5%
VendorProductVersion
linuxlinux_kernel
𝑥
≤ 5.6.10
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
hirsute
not-affected
groovy
not-affected
focal
Fixed 5.4.0-45.49
released
eoan
ignored
bionic
Fixed 4.15.0-115.116
released
xenial
Fixed 4.4.0-222.255
released
trusty
ignored
linux-aws
hirsute
not-affected
groovy
not-affected
focal
Fixed 5.4.0-1022.22
released
eoan
ignored
bionic
Fixed 4.15.0-1080.84
released
xenial
Fixed 4.4.0-1138.152
released
trusty
Fixed 4.4.0-1102.107
released
linux-aws-5.0
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-aws-5.3
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1033.35
released
xenial
dne
trusty
dne
linux-aws-5.4
hirsute
dne
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1022.22~18.04.1
released
xenial
dne
trusty
dne
linux-aws-hwe
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
dne
xenial
Fixed 4.15.0-1080.84~16.04.1
released
trusty
dne
linux-azure
hirsute
not-affected
groovy
not-affected
focal
Fixed 5.4.0-1023.23
released
eoan
ignored
bionic
ignored
xenial
Fixed 4.15.0-1093.103~16.04.1
released
trusty
Fixed 4.15.0-1093.103~14.04.1
released
linux-azure-4.15
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1093.103
released
xenial
dne
trusty
dne
linux-azure-5.3
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1035.36
released
xenial
dne
trusty
dne
linux-azure-5.4
hirsute
dne
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1023.23~18.04.1
released
xenial
dne
trusty
dne
linux-azure-edge
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-dell300x
hirsute
dne
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp
hirsute
not-affected
groovy
not-affected
focal
Fixed 5.4.0-1022.22
released
eoan
ignored
bionic
ignored
xenial
Fixed 4.15.0-1081.92~16.04.1
released
trusty
dne
linux-gcp-4.15
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1081.92
released
xenial
dne
trusty
dne
linux-gcp-5.3
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp-5.4
hirsute
dne
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1022.22~18.04.1
released
xenial
dne
trusty
dne
linux-gcp-edge
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-4.15
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1067.70
released
xenial
dne
trusty
dne
linux-gke-5.0
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gke-5.3
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1033.35
released
xenial
dne
trusty
dne
linux-gke-5.4
hirsute
dne
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gkeop
hirsute
dne
groovy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-gkeop-5.4
hirsute
dne
groovy
dne
focal
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-65.59
released
xenial
Fixed 4.15.0-115.116~16.04.1
released
trusty
dne
linux-hwe-5.4
hirsute
dne
groovy
dne
focal
dne
bionic
Fixed 5.4.0-45.49~18.04.2
released
xenial
dne
trusty
dne
linux-hwe-5.8
hirsute
dne
groovy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-hwe-edge
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-kvm
hirsute
not-affected
groovy
not-affected
focal
Fixed 5.4.0-1021.21
released
eoan
ignored
bionic
Fixed 4.15.0-1072.73
released
xenial
Fixed 4.4.0-1103.112
released
trusty
dne
linux-lts-trusty
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
dne
xenial
dne
trusty
Fixed 4.4.0-222.255~14.04.1
released
linux-oem
hirsute
dne
groovy
dne
focal
dne
eoan
ignored
bionic
Fixed 4.15.0-1094.104
released
xenial
ignored
trusty
dne
linux-oem-5.10
hirsute
dne
groovy
dne
focal
not-affected
bionic
dne
xenial
dne
trusty
dne
linux-oem-5.6
hirsute
dne
groovy
dne
focal
Fixed 5.6.0-1031.32
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-oem-osp1
hirsute
dne
groovy
dne
focal
dne
eoan
ignored
bionic
ignored
xenial
dne
trusty
dne
linux-oracle
hirsute
not-affected
groovy
not-affected
focal
Fixed 5.4.0-1022.22
released
eoan
ignored
bionic
Fixed 4.15.0-1051.55
released
xenial
Fixed 4.15.0-1051.55~16.04.1
released
trusty
dne
linux-oracle-5.0
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.3
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
ignored
xenial
dne
trusty
dne
linux-oracle-5.4
hirsute
dne
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1022.22~18.04.1
released
xenial
dne
trusty
dne
linux-raspi
hirsute
not-affected
groovy
not-affected
focal
Fixed 5.4.0-1016.17
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi-5.4
hirsute
dne
groovy
dne
focal
dne
bionic
Fixed 5.4.0-1016.17~18.04.1
released
xenial
dne
trusty
dne
linux-raspi2
hirsute
dne
groovy
dne
focal
ignored
eoan
ignored
bionic
Fixed 4.15.0-1068.72
released
xenial
ignored
trusty
dne
linux-raspi2-5.3
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1032.34
released
xenial
dne
trusty
dne
linux-riscv
hirsute
not-affected
groovy
not-affected
focal
Fixed 5.4.0-31.35
released
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
hirsute
dne
groovy
dne
focal
dne
eoan
dne
bionic
Fixed 4.15.0-1084.92
released
xenial
ignored
trusty
dne
References