CVE-2016-2383

The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.
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:H/I:N/A:N
debianCNA
---
---
CVEADP
---
---
Base Score
CVSS 3.x
EPSS Score
Percentile: 23%
VendorProductVersion
linuxlinux_kernel
𝑥
< 4.5.0
linuxlinux_kernel
4.5.0:rc1
linuxlinux_kernel
4.5.0:rc2
linuxlinux_kernel
4.5.0:rc3
canonicalubuntu_linux
14.04
canonicalubuntu_linux
15.10
opensuseleap
42.1
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
linux
bullseye
5.10.223-1
fixed
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
sid
6.11.5-1
fixed
trixie
6.11.5-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
linux
yakkety
not-affected
xenial
not-affected
wily
Fixed 4.2.0-35.40
released
vivid
not-affected
trusty
not-affected
precise
not-affected
linux-armadaxp
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
not-affected
linux-aws
yakkety
dne
xenial
not-affected
trusty
not-affected
precise
dne
linux-flo
yakkety
not-affected
xenial
not-affected
wily
not-affected
vivid
not-affected
trusty
dne
precise
dne
linux-fsl-imx51
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
dne
linux-gke
yakkety
dne
xenial
not-affected
trusty
dne
precise
dne
linux-goldfish
yakkety
not-affected
xenial
not-affected
wily
not-affected
vivid
not-affected
trusty
dne
precise
dne
linux-grouper
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
dne
linux-hwe
yakkety
dne
xenial
not-affected
trusty
dne
precise
dne
linux-hwe-edge
yakkety
dne
xenial
not-affected
trusty
dne
precise
dne
linux-linaro-omap
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
ignored
linux-linaro-shared
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
ignored
linux-linaro-vexpress
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
ignored
linux-lts-quantal
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
ignored
linux-lts-raring
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
ignored
linux-lts-saucy
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
ignored
linux-lts-trusty
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
not-affected
linux-lts-utopic
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
dne
linux-lts-vivid
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
dne
linux-lts-wily
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
Fixed 4.2.0-35.40~14.04.1
released
precise
dne
linux-lts-xenial
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
not-affected
precise
dne
linux-maguro
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
dne
linux-mako
yakkety
not-affected
xenial
not-affected
wily
not-affected
vivid
not-affected
trusty
dne
precise
dne
linux-manta
yakkety
dne
xenial
dne
wily
not-affected
vivid
not-affected
trusty
dne
precise
dne
linux-qcm-msm
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
ignored
linux-raspi2
yakkety
not-affected
xenial
not-affected
wily
Fixed 4.2.0-1028.36
released
vivid
dne
trusty
dne
precise
dne
linux-snapdragon
yakkety
not-affected
xenial
not-affected
wily
dne
trusty
dne
precise
dne
linux-ti-omap4
yakkety
dne
xenial
dne
wily
dne
vivid
dne
trusty
dne
precise
not-affected
References
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
http://www.openwall.com/lists/oss-security/2016/02/14/1
http://www.ubuntu.com/usn/USN-2947-1
http://www.ubuntu.com/usn/USN-2947-2
http://www.ubuntu.com/usn/USN-2947-3
https://bugzilla.redhat.com/show_bug.cgi?id=1308452
https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html
http://www.openwall.com/lists/oss-security/2016/02/14/1
http://www.ubuntu.com/usn/USN-2947-1
http://www.ubuntu.com/usn/USN-2947-2
http://www.ubuntu.com/usn/USN-2947-3
https://bugzilla.redhat.com/show_bug.cgi?id=1308452
https://github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492