CVE-2016-8650
Advisory lineage Upstream: 0 Downstream: 10
Modified
Published: 28 Nov 2016, 03:01
Last modified:06 Aug 2024, 02:27
Vulnerability Summary
Overall Risk (default)
low
22/100 CVSS Score
5.5 MEDIUM
v3.0 (nvd)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected
Timeline
28 Nov 2016, 03:01
Published
Vulnerability first disclosed
06 Aug 2024, 02:27
Last Modified
Vulnerability information updated
Description
The mpi_powm function in lib/mpi/mpi-pow.c in the Linux kernel through 4.8.11 does not ensure that memory is allocated for limb data, which allows local users to cause a denial of service (stack memory corruption and panic) via an add_key system call for an RSA key with a zero exponent.
CVSS Metrics
- v3.0•MEDIUM•Score: 5.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- v2.0•MEDIUM•Score: 4.9AV:L/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 0.04%• Percentile: 14%
Techniques & Countermeasures
- CWE-20•Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-399•Resource Management Errors
Weaknesses in this category are related to improper management of system resources.
Affected Systems
- linux•linux_kernel
≤ 4.8.11
References (12)
- https://github.com/torvalds/linux/commit/f5527fffff3f002b0a6b376163613b82f69de073
- http://www.securitytracker.com/id/1037968
- http://seclists.org/fulldisclosure/2016/Nov/76
- http://www.openwall.com/lists/oss-security/2016/11/24/8
- https://bugzilla.redhat.com/show_bug.cgi?id=1395187
- https://access.redhat.com/errata/RHSA-2018:1854
- https://access.redhat.com/errata/RHSA-2017:0932
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=f5527fffff3f002b0a6b376163613b82f69de073
- https://access.redhat.com/errata/RHSA-2017:0933
- https://access.redhat.com/errata/RHSA-2017:0931
- http://www.securityfocus.com/bid/94532
- https://source.android.com/security/bulletin/2017-03-01.html