CVE-2015-8539

EUVD-2015-8420
The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service (BUG) via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/user_defined.c.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
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
Base Score
CVSS 3.x
EPSS Score
Percentile: 21%
Affected Products (NVD)
VendorProductVersion
canonicalubuntu_linux
12.04
canonicalubuntu_linux
14.04
linuxlinux_kernel
𝑥
< 4.4
linuxlinux_kernel
4.4:rc1
linuxlinux_kernel
4.4: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
not-affected
cosmic
not-affected
trusty
Fixed 3.13.0-161.211
released
xenial
not-affected
linux-aws
bionic
not-affected
cosmic
not-affected
trusty
not-affected
xenial
not-affected
linux-azure
bionic
not-affected
cosmic
not-affected
trusty
not-affected
xenial
not-affected
linux-azure-edge
bionic
not-affected
cosmic
dne
trusty
dne
xenial
not-affected
linux-euclid
bionic
dne
cosmic
dne
trusty
dne
xenial
not-affected
linux-flo
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-gcp
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
not-affected
linux-gke
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-goldfish
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-grouper
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-hwe
bionic
not-affected
cosmic
dne
trusty
dne
xenial
not-affected
linux-hwe-edge
bionic
not-affected
cosmic
dne
trusty
dne
xenial
not-affected
linux-kvm
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
not-affected
linux-lts-trusty
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-lts-utopic
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-lts-vivid
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-lts-wily
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-lts-xenial
bionic
dne
cosmic
dne
trusty
not-affected
xenial
dne
linux-maguro
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-mako
bionic
dne
cosmic
dne
trusty
dne
xenial
ignored
linux-manta
bionic
dne
cosmic
dne
trusty
dne
xenial
dne
linux-oem
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
not-affected
linux-raspi2
bionic
not-affected
cosmic
not-affected
trusty
dne
xenial
not-affected
linux-snapdragon
bionic
not-affected
cosmic
dne
trusty
dne
xenial
not-affected
References