Vulnerability Details : CVE-2017-15265

Race condition in the ALSA subsystem in the Linux kernel before 4.13.8 allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via crafted /dev/snd/seq ioctl calls, related to sound/core/seq/seq_clientmgr.c and sound/core/seq/seq_ports.c.

Vulnerability category: Memory CorruptionDenial of service

Published 2017-10-16 18:29:01

Updated 2023-06-21 20:59:36

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2017-15265

Probability of exploitation activity in the next 30 days: 0.04%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 8 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2017-15265

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C	3.4	10.0	nvd@nist.gov
Access Vector: Local Access Complexity: Medium Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
7.0	HIGH	CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.0	5.9	nvd@nist.gov
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.0	HIGH	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.0	5.9	nvd@nist.gov
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2017-15265

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

Assigned by: nvd@nist.gov (Primary)
CWE-416 Use After Free

Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2017-15265

https://access.redhat.com/errata/RHSA-2018:3822

RHSA-2018:3822 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71105998845fb012937332fe2e806d443c09e026

kernel/git/torvalds/linux.git - Linux kernel source tree
Issue Tracking;Patch;Vendor Advisory
http://www.openwall.com/lists/oss-security/2017/10/11/3

oss-security - Linux kernel: alsa: use-after-free in /dev/snd/seq CVE-2017-15265
Mailing List;Patch;Third Party Advisory
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8

Release Notes;Vendor Advisory

CVEs referencing this url
https://usn.ubuntu.com/3698-2/

USN-3698-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
https://bugzilla.suse.com/show_bug.cgi?id=1062520

Bug 1062520 – VUL-1: CVE-2017-15265: kernel: Use-after-free in /dev/snd/seq
Issue Tracking;Patch;Third Party Advisory
http://www.securityfocus.com/bid/101288

Linux kernel CVE-2017-15265 Use After Free Local Denial of Service Vulnerability
Third Party Advisory;VDB Entry
https://www.oracle.com/security-alerts/cpujul2020.html

Oracle Critical Patch Update Advisory - July 2020
Third Party Advisory

CVEs referencing this url
https://access.redhat.com/errata/RHSA-2018:1130

RHSA-2018:1130 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://usn.ubuntu.com/3698-1/

USN-3698-1: Linux kernel vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
https://access.redhat.com/errata/RHSA-2018:2390

RHSA-2018:2390 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0

Security fixes in StruxureWare Data Center Expert v7.6.0 - User assistance for StruxureWare Data Center Expert 7.x - Help Center: Support for EcoStruxure IT, StruxureWare for Data Centers, and NetBotz
Third Party Advisory

CVEs referencing this url
https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html

[SECURITY] [DLA 1200-1] linux security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://access.redhat.com/errata/RHSA-2018:0676

RHSA-2018:0676 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://access.redhat.com/errata/RHSA-2018:3823

RHSA-2018:3823 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Oracle Critical Patch Update - April 2019
Patch;Third Party Advisory

CVEs referencing this url
http://www.securitytracker.com/id/1039561

Linux Kernel Use-After-Free Memory Error in ALSA Sequencer Interface Lets Local Users Gain Elevated Privileges - SecurityTracker
Third Party Advisory;VDB Entry
https://access.redhat.com/errata/RHSA-2018:1062

RHSA-2018:1062 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e026

ALSA: seq: Fix use-after-free at creating a port · torvalds/linux@7110599 · GitHub
Issue Tracking;Patch;Third Party Advisory
https://source.android.com/security/bulletin/2018-02-01

Android Security Bulletin—February 2018 | Android Open Source Project
Third Party Advisory

CVEs referencing this url
http://mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html

[alsa-devel] [PATCH] ALSA: seq: Fix use-after-free at creating a port
Mailing List;Patch;Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1170

RHSA-2018:1170 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url

Products affected by CVE-2017-15265

Linux » Linux Kernel
Versions from including (>=) 4.10 and before (<) 4.13.8
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.17 and before (<) 3.18.76
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.3 and before (<) 3.10.108
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.19 and before (<) 4.1.46
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.2 and before (<) 4.4.93
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 3.11 and before (<) 3.16.50
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 4.5 and before (<) 4.9.57
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions before (<) 3.2.95
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions