CVE-2019-16921

In the Linux kernel before 4.17, hns_roce_alloc_ucontext in drivers/infiniband/hw/hns/hns_roce_main.c does not initialize the resp data structure, which might allow attackers to obtain sensitive information from kernel stack memory, aka CID-df7e40425813.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 50%
VendorProductVersion
linuxlinux_kernel
𝑥
< 4.17
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
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
ignored
linux-aws
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
ignored
linux-aws-hwe
disco
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
ignored
linux-azure-edge
disco
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-gcp
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-gcp-edge
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-4.15
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke-5.0
disco
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-hwe
disco
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-hwe-edge
disco
dne
bionic
not-affected
xenial
not-affected
trusty
dne
linux-kvm
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-lts-trusty
disco
dne
bionic
dne
xenial
dne
trusty
dne
linux-lts-xenial
disco
dne
bionic
dne
xenial
dne
trusty
ignored
linux-oem
disco
not-affected
bionic
not-affected
xenial
ignored
trusty
dne
linux-oracle
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi2
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-snapdragon
disco
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne