CVE-2018-1094

The ext4_fill_super function in fs/ext4/super.c in the Linux kernel through 4.15.15 does not always initialize the crc32c checksum driver, which allows attackers to cause a denial of service (ext4_xattr_inode_hash NULL pointer dereference and system crash) via a crafted ext4 image.
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
redhatCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 49%
VendorProductVersion
linuxlinux_kernel
𝑥
≤ 4.15.15
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_workstation
7.0
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
stretch
not-affected
jessie
not-affected
wheezy
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
cosmic
not-affected
bionic
Fixed 4.15.0-24.26
released
artful
ignored
xenial
not-affected
trusty
not-affected
linux-aws
cosmic
not-affected
bionic
Fixed 4.15.0-1011.11
released
artful
dne
xenial
not-affected
trusty
not-affected
linux-aws-hwe
cosmic
dne
bionic
dne
xenial
not-affected
trusty
dne
linux-azure
cosmic
not-affected
bionic
Fixed 4.15.0-1014.14
released
artful
dne
xenial
Fixed 4.15.0-1014.14~16.04.1
released
trusty
not-affected
linux-azure-edge
cosmic
dne
bionic
Fixed 4.15.0-1014.14
released
xenial
Fixed 4.15.0-1014.14~16.04.1
released
trusty
dne
linux-euclid
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-flo
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-gcp
cosmic
not-affected
bionic
Fixed 4.15.0-1010.10
released
artful
dne
xenial
Fixed 4.15.0-1014.14~16.04.1
released
trusty
dne
linux-gcp-edge
cosmic
dne
bionic
not-affected
xenial
dne
trusty
dne
linux-gke
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-goldfish
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-grouper
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-hwe
cosmic
dne
bionic
not-affected
artful
dne
xenial
Fixed 4.15.0-24.26~16.04.1
released
trusty
dne
linux-hwe-edge
cosmic
dne
bionic
not-affected
artful
dne
xenial
Fixed 4.15.0-24.26~16.04.1
released
trusty
dne
linux-kvm
cosmic
not-affected
bionic
Fixed 4.15.0-1012.12
released
artful
dne
xenial
not-affected
trusty
dne
linux-lts-trusty
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-lts-utopic
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-lts-vivid
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-lts-wily
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-lts-xenial
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
not-affected
linux-maguro
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-mako
cosmic
dne
bionic
dne
artful
dne
xenial
ignored
trusty
dne
linux-manta
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
dne
linux-oem
cosmic
not-affected
bionic
Fixed 4.15.0-1009.12
released
artful
dne
xenial
ignored
trusty
dne
linux-oracle
cosmic
not-affected
bionic
not-affected
xenial
not-affected
trusty
dne
linux-raspi2
cosmic
not-affected
bionic
Fixed 4.15.0-1013.14
released
artful
ignored
xenial
not-affected
trusty
dne
linux-snapdragon
cosmic
dne
bionic
not-affected
artful
ignored
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
http://openwall.com/lists/oss-security/2018/03/29/1
https://access.redhat.com/errata/RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:3096
https://bugzilla.kernel.org/show_bug.cgi?id=199183
https://bugzilla.redhat.com/show_bug.cgi?id=1560788
https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957
https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1
https://usn.ubuntu.com/3695-1/
https://usn.ubuntu.com/3695-2/
http://openwall.com/lists/oss-security/2018/03/29/1
https://access.redhat.com/errata/RHSA-2018:2948
https://access.redhat.com/errata/RHSA-2018:3083
https://access.redhat.com/errata/RHSA-2018:3096
https://bugzilla.kernel.org/show_bug.cgi?id=199183
https://bugzilla.redhat.com/show_bug.cgi?id=1560788
https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=18db4b4e6fc31eda838dd1c1296d67dbcb3dc957
https://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4.git/commit/?id=a45403b51582a87872927a3e0fc0a389c26867f1
https://usn.ubuntu.com/3695-1/
https://usn.ubuntu.com/3695-2/