CVE-2017-15265
Published Oct 16, 2017 · Updated Nov 3, 2026
Original summary
Normalized public record · Updated Nov 3, 2026
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.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
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.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- MEDIUM
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- [oss-security] 20171011 Linux kernel: alsa: use-after-free in /dev/snd/seq CVE-2017-15265 ↗
- 101288 ↗
- [debian-lts-announce] 20171210 [SECURITY] [DLA 1200-1] linux security update ↗
- RHSA-2018:2390 ↗
- 1039561 ↗
- RHSA-2018:1062 ↗
- RHSA-2018:3823 ↗
- RHSA-2018:0676 ↗
- [alsa-devel] 20171011 [PATCH] ALSA: seq: Fix use-after-free at creating a port ↗
- RHSA-2018:1170 ↗
- USN-3698-1 ↗
- RHSA-2018:1130 ↗
Record history
Published Oct 16, 2017 · Last refreshed Nov 3, 2026