Ubuntu.comUB:CVE-2016-2383CVE-2016-2383
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.0004 Low
EPSS
Percentile
5.3%
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.
Bugs
Notes
| Author | Note |
|---|---|
| jdstrand | android kernels (flo, goldfish, grouper, maguro, mako and manta) are not supported on the Ubuntu Touch 14.10 and earlier preview kernels linux-lts-saucy no longer receives official support linux-lts-quantal no longer receives official support |
References
www.openwall.com/lists/oss-security/2016/02/14/1
launchpad.net/bugs/cve/CVE-2016-2383
nvd.nist.gov/vuln/detail/CVE-2016-2383
security-tracker.debian.org/tracker/CVE-2016-2383
ubuntu.com/security/notices/USN-2947-1
ubuntu.com/security/notices/USN-2947-2
ubuntu.com/security/notices/USN-2947-3
www.cve.org/CVERecord?id=CVE-2016-2383
Related
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:L/AC:L/Au:N/C:P/I:N/A:N
0.0004 Low
EPSS
Percentile
5.3%