kernel: Use-after-free in drivers/media/dvb-core/dvb_frontend.c
Published Nov 7, 2017
6.6
MEDIUMCVSS 3.0
EPSS 0.38%
Description
The dvb_frontend_free function in drivers/media/dvb-core/dvb_frontend.c in the Linux kernel through 4.13.11 allows local users to cause a denial of service (use-after-free and system crash) or possibly have unspecified other impact via a crafted USB device. NOTE: the function was later renamed __dvb_frontend_free.
Affected products
No data.
- ≤ 4.13.11
No data.
Red Hat Enterprise Linux 7
kernel-alt-0:4.14.0-115.el7a
Fixed · RHSA-2018:2948
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise MRG 2
realtime-kernel
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-alt-0:4.14.0-115.el7a | Fixed | RHSA-2018:2948 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise MRG 2 | realtime-kernel | Not 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, 6, 7, MRG-2 and real-time kernels. This issue affects the Linux kernel packages as shipped with Red Hat Enterprise Linux kernel-alt package. Future Linux kernel updates for the respective releases may address this issue.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/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% (0.00383) | 29.91th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.38% (0.00383) | 32.20th | 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)
- http://www.securityfocus.com/bid/101758 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2018:2948 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2017-16648 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1516257 Issue Tracking
- https://groups.google.com/d/msg/syzkaller/0HJQqTm0G_g/T931ItskBAAJ x_refsource_MISCMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2017-16648
- https://patchwork.kernel.org/patch/10046189/ x_refsource_MISCMailing ListThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2017-16648
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/101758 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://access.redhat.com/errata/RHSA-2018:2948 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2017-16648 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1516257 | Issue Tracking | |
| https://groups.google.com/d/msg/syzkaller/0HJQqTm0G_g/T931ItskBAAJ | x_refsource_MISCMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2017-16648 | ||
| https://patchwork.kernel.org/patch/10046189/ | x_refsource_MISCMailing ListThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2017-16648 |
Change history (0)
No recorded changes yet.