CVE-2019-18885

fs/btrfs/volumes.c in the Linux kernel before 5.1 allows a btrfs_verify_dev_extents NULL pointer dereference via a crafted btrfs image because fs_devices->devices is mishandled within find_device, aka CID-09ba3bc9dd15.
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
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 84%
VendorProductVersion
linuxlinux_kernel
𝑥
< 5.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
stretch
not-affected
jessie
not-affected
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
ignored
bionic
Fixed 4.15.0-88.88
released
xenial
Fixed 4.4.0-173.203
released
trusty
ignored
linux-aws
focal
not-affected
eoan
not-affected
disco
ignored
bionic
Fixed 4.15.0-1060.62
released
xenial
Fixed 4.4.0-1101.112
released
trusty
Fixed 4.4.0-1061.65
released
linux-aws-5.0
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.0.0-1024.27~18.04.1
released
xenial
dne
trusty
dne
linux-aws-hwe
focal
dne
eoan
dne
disco
dne
bionic
dne
xenial
Fixed 4.15.0-1060.62~16.04.1
released
trusty
dne
linux-azure
focal
not-affected
eoan
not-affected
disco
ignored
bionic
Fixed 5.0.0-1029.31~18.04.1
released
xenial
Fixed 4.15.0-1071.76
released
trusty
Fixed 4.15.0-1071.76~14.04.1
released
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
ignored
xenial
ignored
trusty
dne
linux-gcp
focal
not-affected
eoan
not-affected
disco
ignored
bionic
Fixed 5.0.0-1029.30~18.04.1
released
xenial
Fixed 4.15.0-1055.59
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
ignored
xenial
dne
trusty
dne
linux-gke-4.15
focal
dne
eoan
dne
disco
dne
bionic
Fixed 4.15.0-1052.55
released
xenial
dne
trusty
dne
linux-gke-5.0
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.0.0-1029.30~18.04.1
released
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
Fixed 5.3.0-26.28~18.04.1
released
xenial
Fixed 4.15.0-88.88~16.04.1
released
trusty
dne
linux-hwe-edge
focal
dne
eoan
dne
disco
dne
bionic
ignored
xenial
ignored
trusty
dne
linux-kvm
focal
not-affected
eoan
not-affected
disco
ignored
bionic
Fixed 4.15.0-1053.53
released
xenial
Fixed 4.4.0-1065.72
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
Fixed 4.4.0-173.203~14.04.1
released
linux-oem
focal
dne
eoan
Fixed 4.15.0-1073.83
released
disco
ignored
bionic
Fixed 4.15.0-1073.83
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
Fixed 5.0.0-1037.42
released
disco
ignored
bionic
Fixed 5.0.0-1037.42
released
xenial
dne
trusty
dne
linux-oracle
focal
not-affected
eoan
not-affected
disco
ignored
bionic
Fixed 4.15.0-1033.36
released
xenial
Fixed 4.15.0-1033.36~16.04.1
released
trusty
dne
linux-oracle-5.0
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.0.0-1010.15~18.04.1
released
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
ignored
bionic
Fixed 4.15.0-1055.59
released
xenial
Fixed 4.4.0-1128.137
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
ignored
bionic
Fixed 4.15.0-1072.79
released
xenial
Fixed 4.4.0-1132.140
released
trusty
dne
Common Weakness Enumeration
References
http://packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.html
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ba3bc9dd150457c506e4661380a6183af651c1
https://github.com/bobfuzzer/CVE-2019-18885
https://github.com/torvalds/linux/commit/09ba3bc9dd150457c506e4661380a6183af651c1
https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4254-1/
https://usn.ubuntu.com/4254-2/
https://usn.ubuntu.com/4258-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/
https://www.oracle.com/security-alerts/cpuApr2021.html
http://packetstormsecurity.com/files/156185/Kernel-Live-Patch-Security-Notice-LSN-0062-1.html
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ba3bc9dd150457c506e4661380a6183af651c1
https://github.com/bobfuzzer/CVE-2019-18885
https://github.com/torvalds/linux/commit/09ba3bc9dd150457c506e4661380a6183af651c1
https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
https://security.netapp.com/advisory/ntap-20191205-0001/
https://usn.ubuntu.com/4254-1/
https://usn.ubuntu.com/4254-2/
https://usn.ubuntu.com/4258-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/
https://www.oracle.com/security-alerts/cpuApr2021.html