CVE-2019-19768

EUVD-2019-9368
In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 80%
Affected Products (NVD)
VendorProductVersion
linuxlinux_kernel
5.4.0
linuxlinux_kernel
5.4.0:rc1
linuxlinux_kernel
5.4.0:rc2
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bookworm
6.1.106-3
fixed
bookworm (security)
6.1.112-1
fixed
bullseye
5.10.223-1
fixed
bullseye (security)
5.10.226-1
fixed
sid
6.11.6-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
bionic
Fixed 4.15.0-99.100
released
disco
ignored
eoan
Fixed 5.3.0-51.44
released
focal
not-affected
trusty
ignored
xenial
Fixed 4.4.0-178.208
released
linux-aws
bionic
Fixed 4.15.0-1066.70
released
disco
ignored
eoan
Fixed 5.3.0-1017.18
released
focal
not-affected
trusty
Fixed 4.4.0-1066.70
released
xenial
Fixed 4.4.0-1106.117
released
linux-aws-5.0
bionic
ignored
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-aws-5.3
bionic
Fixed 5.3.0-1017.18~18.04.1
released
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-aws-hwe
bionic
dne
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
Fixed 4.15.0-1066.70~16.04.1
released
linux-azure
bionic
ignored
disco
ignored
eoan
Fixed 5.3.0-1020.21
released
focal
not-affected
trusty
ignored
xenial
Fixed 4.15.0-1082.92~16.04.1
released
linux-azure-4.15
bionic
not-affected
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-azure-5.3
bionic
Fixed 5.3.0-1020.21~18.04.1
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-azure-edge
bionic
ignored
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gcp
bionic
ignored
disco
ignored
eoan
Fixed 5.3.0-1018.19
released
focal
not-affected
trusty
dne
xenial
Fixed 4.15.0-1061.65
released
linux-gcp-4.15
bionic
not-affected
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gcp-5.3
bionic
Fixed 5.3.0-1018.19~18.04.1
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gcp-edge
bionic
ignored
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-4.15
bionic
Fixed 4.15.0-1058.61
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-5.0
bionic
Fixed 5.0.0-1035.36
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-gke-5.3
bionic
Fixed 5.3.0-1018.19~18.04.1
released
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-hwe
bionic
Fixed 5.3.0-51.44~18.04.2
released
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
Fixed 4.15.0-99.100~16.04.1
released
linux-hwe-edge
bionic
ignored
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
ignored
linux-kvm
bionic
Fixed 4.15.0-1059.60
released
disco
ignored
eoan
Fixed 5.3.0-1016.17
released
focal
not-affected
trusty
dne
xenial
Fixed 4.4.0-1070.77
released
linux-lts-trusty
bionic
dne
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
disco
dne
eoan
dne
focal
dne
trusty
Fixed 4.4.0-178.208~14.04.1
released
xenial
dne
linux-oem
bionic
Fixed 4.15.0-1080.90
released
disco
ignored
eoan
ignored
focal
dne
trusty
dne
xenial
ignored
linux-oem-5.6
bionic
dne
eoan
dne
focal
not-affected
trusty
dne
xenial
dne
linux-oem-osp1
bionic
Fixed 5.0.0-1050.55
released
disco
ignored
eoan
ignored
focal
dne
trusty
dne
xenial
dne
linux-oracle
bionic
Fixed 4.15.0-1038.42
released
disco
ignored
eoan
Fixed 5.3.0-1016.18
released
focal
not-affected
trusty
dne
xenial
Fixed 4.15.0-1038.42~16.04.1
released
linux-oracle-5.0
bionic
ignored
disco
dne
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-oracle-5.3
bionic
Fixed 5.3.0-1016.18~18.04.1
released
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-raspi
bionic
dne
eoan
dne
focal
not-affected
trusty
dne
xenial
dne
linux-raspi2
bionic
Fixed 4.15.0-1061.65
released
disco
ignored
eoan
Fixed 5.3.0-1023.25
released
focal
ignored
trusty
dne
xenial
Fixed 4.4.0-1132.141
released
linux-raspi2-5.3
bionic
Fixed 5.3.0-1023.25~18.04.1
released
eoan
dne
focal
dne
trusty
dne
xenial
dne
linux-riscv
bionic
dne
eoan
dne
focal
not-affected
trusty
dne
xenial
dne
linux-snapdragon
bionic
Fixed 4.15.0-1077.84
released
disco
ignored
eoan
dne
focal
dne
trusty
dne
xenial
Fixed 4.4.0-1136.144
released