kernel: use-after-free in snd_rawmidi_dev_seq_free
Published Nov 4, 2017
6.6
MEDIUMCVSS 3.1
EPSS 0.38%
Description
sound/core/seq_device.c in the Linux kernel before 4.13.4 allows local users to cause a denial of service (snd_rawmidi_dev_seq_free use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device.
Affected products
No data.
Configuration 1
- ≥ 3.19 · < 4.1.47
- ≥ 4.2 · < 4.4.99
- ≥ 4.5 · < 4.9.63
- ≥ 4.10 · < 4.13.4
Configuration 2
- 14.04
- 16.04
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Affected
Red Hat Enterprise Linux 7
kernel
Affected
Red Hat Enterprise Linux 7
kernel-alt
Affected
Red Hat Enterprise Linux 7
kernel-rt
Affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, as a code with the flaw is not present in this product. This issue affects the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 6, 7, its real-time kernel, Red Hat Enterprise MRG 2, Red Hat Enterprise Linux 7 for ARM 64 and Red Hat Enterprise Linux 7 for Power 9 LE. Future Linux kernel updates for the respective releases may address this issue.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
AV:L/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00379) | 29.50th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.36% (0.00365) | 30.33th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.04% (0.00042) | 5.06th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.95% (0.00950) | 13.46th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.69% (0.00691) | 18.93th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.69% (0.00691) | 0.00th | v1 |
References (8)
- https://access.redhat.com/security/cve/CVE-2017-16528 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1510830 Issue Tracking
- https://github.com/torvalds/linux/commit/fc27fe7e8deef2f37cba3f2be2d52b6ca5eb9d57 x_refsource_MISCPatchThird Party Advisory
- https://groups.google.com/d/msg/syzkaller/kuZzDHGkQu8/5du20rZEAAAJ x_refsource_MISCThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-16528
- https://usn.ubuntu.com/3619-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3619-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-16528
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2017-16528 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1510830 | Issue Tracking | |
| https://github.com/torvalds/linux/commit/fc27fe7e8deef2f37cba3f2be2d52b6ca5eb9d57 | x_refsource_MISCPatchThird Party Advisory | |
| https://groups.google.com/d/msg/syzkaller/kuZzDHGkQu8/5du20rZEAAAJ | x_refsource_MISCThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-16528 | ||
| https://usn.ubuntu.com/3619-1/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://usn.ubuntu.com/3619-2/ | vendor-advisoryx_refsource_UBUNTUThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-16528 |
Change history (0)
No recorded changes yet.