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
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 |
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 |
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 |
CWE ids for CVE-2017-15265
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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)
-
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
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https://access.redhat.com/errata/RHSA-2018:3822
RHSA-2018:3822 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=71105998845fb012937332fe2e806d443c09e026
kernel/git/torvalds/linux.git - Linux kernel source treeIssue Tracking;Patch;Vendor Advisory
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http://www.openwall.com/lists/oss-security/2017/10/11/3
oss-security - Linux kernel: alsa: use-after-free in /dev/snd/seq CVE-2017-15265Mailing List;Patch;Third Party Advisory
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http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.8
Release Notes;Vendor Advisory
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https://usn.ubuntu.com/3698-2/
USN-3698-2: Linux kernel (Trusty HWE) vulnerabilities | Ubuntu security noticesThird Party Advisory
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https://bugzilla.suse.com/show_bug.cgi?id=1062520
Bug 1062520 – VUL-1: CVE-2017-15265: kernel: Use-after-free in /dev/snd/seqIssue Tracking;Patch;Third Party Advisory
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http://www.securityfocus.com/bid/101288
Linux kernel CVE-2017-15265 Use After Free Local Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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https://www.oracle.com/security-alerts/cpujul2020.html
Oracle Critical Patch Update Advisory - July 2020Third Party Advisory
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https://access.redhat.com/errata/RHSA-2018:1130
RHSA-2018:1130 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://usn.ubuntu.com/3698-1/
USN-3698-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
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https://access.redhat.com/errata/RHSA-2018:2390
RHSA-2018:2390 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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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 NetBotzThird Party Advisory
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https://lists.debian.org/debian-lts-announce/2017/12/msg00004.html
[SECURITY] [DLA 1200-1] linux security updateMailing List;Third Party Advisory
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https://access.redhat.com/errata/RHSA-2018:0676
RHSA-2018:0676 - Security Advisory - Red Hat Customer PortalThird Party Advisory
-
https://access.redhat.com/errata/RHSA-2018:3823
RHSA-2018:3823 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
Oracle Critical Patch Update - April 2019Patch;Third Party Advisory
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http://www.securitytracker.com/id/1039561
Linux Kernel Use-After-Free Memory Error in ALSA Sequencer Interface Lets Local Users Gain Elevated Privileges - SecurityTrackerThird Party Advisory;VDB Entry
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https://access.redhat.com/errata/RHSA-2018:1062
RHSA-2018:1062 - Security Advisory - Red Hat Customer PortalThird Party Advisory
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https://github.com/torvalds/linux/commit/71105998845fb012937332fe2e806d443c09e026
ALSA: seq: Fix use-after-free at creating a port · torvalds/linux@7110599 · GitHubIssue Tracking;Patch;Third Party Advisory
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https://source.android.com/security/bulletin/2018-02-01
Android Security Bulletin—February 2018 | Android Open Source ProjectThird Party Advisory
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http://mailman.alsa-project.org/pipermail/alsa-devel/2017-October/126292.html
[alsa-devel] [PATCH] ALSA: seq: Fix use-after-free at creating a portMailing List;Patch;Third Party Advisory
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https://access.redhat.com/errata/RHSA-2018:1170
RHSA-2018:1170 - Security Advisory - Red Hat Customer PortalThird Party Advisory
Products affected by CVE-2017-15265
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*