CVE-2018-12233

In the ea_get function in fs/jfs/xattr.c in the Linux kernel through 4.17.1, a memory corruption bug in JFS can be triggered by calling setxattr twice with two different extended attribute names on the same file. This vulnerability can be triggered by an unprivileged user with the ability to create files and execute programs. A kmalloc call is incorrect, leading to slab-out-of-bounds in jfs_xattr.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.8 HIGH
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 29%
VendorProductVersion
linuxlinux_kernel
2.6.12 ≤
𝑥
< 3.16.58
linuxlinux_kernel
3.17 ≤
𝑥
< 3.18.118
linuxlinux_kernel
3.19 ≤
𝑥
< 4.4.147
linuxlinux_kernel
4.5 ≤
𝑥
< 4.9.119
linuxlinux_kernel
4.10 ≤
𝑥
< 4.14.62
linuxlinux_kernel
4.15 ≤
𝑥
< 4.17.14
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
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
cosmic
not-affected
bionic
Fixed 4.15.0-33.36
released
artful
ignored
xenial
Fixed 4.4.0-134.160
released
trusty
Fixed 3.13.0-157.207
released
linux-aws
cosmic
not-affected
bionic
Fixed 4.15.0-1020.20
released
artful
dne
xenial
Fixed 4.4.0-1066.76
released
trusty
Fixed 4.4.0-1028.31
released
linux-azure
cosmic
not-affected
bionic
Fixed 4.15.0-1022.23
released
artful
dne
xenial
Fixed 4.15.0-1022.22~16.04.1
released
trusty
not-affected
linux-azure-edge
cosmic
dne
bionic
not-affected
artful
dne
xenial
Fixed 4.15.0-1022.23
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 4.15.0-1018.19
released
artful
dne
xenial
Fixed 4.15.0-1018.19~16.04.2
released
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 4.15.0-33.36~16.04.1
released
trusty
dne
linux-hwe-edge
cosmic
dne
bionic
not-affected
artful
dne
xenial
Fixed 4.15.0-33.36~16.04.1
released
trusty
dne
linux-kvm
cosmic
not-affected
bionic
Fixed 4.15.0-1020.20
released
artful
dne
xenial
Fixed 4.4.0-1032.38
released
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
Fixed 4.4.0-134.160~14.04.1
released
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 4.15.0-1017.20
released
artful
dne
xenial
ignored
trusty
dne
linux-raspi2
cosmic
not-affected
bionic
Fixed 4.15.0-1021.23
released
artful
ignored
xenial
Fixed 4.4.0-1095.103
released
trusty
dne
linux-snapdragon
cosmic
dne
bionic
not-affected
artful
ignored
xenial
Fixed 4.4.0-1099.104
released
trusty
dne