Bug 1535173 (CVE-2017-13215) - CVE-2017-13215 kernel: crypto: privilege escalation in skcipher_recvmsg function
Summary: CVE-2017-13215 kernel: crypto: privilege escalation in skcipher_recvmsg function
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2017-13215
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1541870 1541871 1541872 1541873 1541874 1541875 1695821 1725181
Blocks: 1535176
TreeView+ depends on / blocked
 
Reported: 2018-01-16 18:52 UTC by Laura Pardo
Modified: 2021-12-10 15:33 UTC (History)
27 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
A flaw was found in the Linux kernel's skcipher component, which affects the skcipher_recvmsg function. Attackers using a specific input can lead to a privilege escalation.
Clone Of:
Environment:
Last Closed: 2019-06-08 03:37:23 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2018:2384 0 None None None 2018-08-14 18:44:17 UTC
Red Hat Product Errata RHSA-2018:2395 0 None None None 2018-08-14 20:23:45 UTC
Red Hat Product Errata RHSA-2019:1170 0 None None None 2019-05-14 19:08:27 UTC
Red Hat Product Errata RHSA-2019:1190 0 None None None 2019-05-14 20:26:47 UTC

Description Laura Pardo 2018-01-16 18:52:27 UTC 
A flaw was found in the upstream kernel Skcipher component. This vulnerability affects the skcipher_recvmsg function of the component Skcipher. The manipulation with an unknown input leads to a privilege escalation vulnerability

References:
https://source.android.com/security/bulletin/2018-01-01

Patch:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/commit/?h=v3.18.78&id=36c84b22ac8aa041cbdfbe48a55ebb32e3521704
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f0414e54e4d1893c6f08260693f8ef84c929293
Comment 6 Eric Christensen 2018-02-05 15:45:14 UTC 
Statement:

This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5 and 6, and kernel-alt packages.

This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux 7, MRG-2 and real-time kernels.

Future Linux kernel updates for the respective releases may address this issue.
Comment 7 errata-xmlrpc 2018-08-14 18:44:01 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2384 https://access.redhat.com/errata/RHSA-2018:2384
Comment 8 errata-xmlrpc 2018-08-14 20:23:33 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:2395 https://access.redhat.com/errata/RHSA-2018:2395
Comment 11 errata-xmlrpc 2019-05-14 19:08:25 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7.4 Extended Update Support

Via RHSA-2019:1170 https://access.redhat.com/errata/RHSA-2019:1170
Comment 12 errata-xmlrpc 2019-05-14 20:26:45 UTC 
This issue has been addressed in the following products:

  Red Hat Enterprise MRG 2

Via RHSA-2019:1190 https://access.redhat.com/errata/RHSA-2019:1190
Note You need to log in before you can comment on or make changes to this bug.