CVE-2019-19767

The Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.5 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
mitreCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
VendorProductVersion
linuxlinux_kernel
𝑥
< 5.4.2
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
focal
not-affected
eoan
Fixed 5.3.0-40.32
released
disco
ignored
bionic
Fixed 4.15.0-88.88
released
xenial
not-affected
trusty
not-affected
linux-aws
focal
not-affected
eoan
Fixed 5.3.0-1011.12
released
disco
ignored
bionic
Fixed 4.15.0-1060.62
released
xenial
not-affected
trusty
not-affected
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-5.3
focal
dne
eoan
dne
bionic
not-affected
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
Fixed 5.3.0-1013.14
released
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-4.15
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-azure-5.3
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.3.0-1013.14~18.04.1
released
xenial
dne
trusty
dne
linux-azure-edge
focal
dne
eoan
dne
disco
dne
bionic
ignored
xenial
dne
trusty
dne
linux-gcp
focal
not-affected
eoan
Fixed 5.3.0-1012.13
released
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-4.15
focal
dne
eoan
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gcp-5.3
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.3.0-1012.13~18.04.1
released
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
Fixed 5.3.0-1012.13~18.04.1
released
xenial
dne
trusty
dne
linux-hwe
focal
dne
eoan
dne
disco
dne
bionic
Fixed 5.3.0-40.32~18.04.1
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
Fixed 5.3.0-1010.11
released
disco
ignored
bionic
Fixed 4.15.0-1053.53
released
xenial
not-affected
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
not-affected
linux-oem
focal
dne
eoan
ignored
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
Fixed 5.3.0-1009.10
released
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-raspi
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-raspi2
focal
ignored
eoan
Fixed 5.3.0-1018.20
released
disco
ignored
bionic
Fixed 4.15.0-1055.59
released
xenial
not-affected
trusty
dne
linux-raspi2-5.3
focal
dne
eoan
dne
bionic
Fixed 5.3.0-1018.20~18.04.1
released
xenial
dne
trusty
dne
linux-riscv
focal
not-affected
eoan
dne
bionic
dne
xenial
dne
trusty
dne
linux-snapdragon
focal
dne
eoan
dne
disco
ignored
bionic
Fixed 4.15.0-1072.79
released
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://bugzilla.kernel.org/show_bug.cgi?id=205609
https://bugzilla.kernel.org/show_bug.cgi?id=205707
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://security.netapp.com/advisory/ntap-20200103-0001/
https://usn.ubuntu.com/4258-1/
https://usn.ubuntu.com/4284-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://bugzilla.kernel.org/show_bug.cgi?id=205609
https://bugzilla.kernel.org/show_bug.cgi?id=205707
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
https://github.com/torvalds/linux/commit/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a
https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html
https://lists.debian.org/debian-lts-announce/2020/03/msg00001.html
https://security.netapp.com/advisory/ntap-20200103-0001/
https://usn.ubuntu.com/4258-1/
https://usn.ubuntu.com/4284-1/
https://usn.ubuntu.com/4287-1/
https://usn.ubuntu.com/4287-2/