kernel: Use-after-free in sound/usb/card.c:usb_audio_probe()
Published Dec 3, 2018
7.8
HIGHCVSS 3.0
EPSS 0.56%
Description
In the Linux kernel through 4.19.6, a local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device (with zero interfaces) that is mishandled in usb_audio_probe in sound/usb/card.c.
Affected products
No data.
Configuration 1
- ≤ 4.19.6
Configuration 2
- 12.04
- 14.04
- 16.04
- 18.04
- 18.10
Configuration 3
- 8.0
No data.
Red Hat Enterprise Linux 7
kernel-0:3.10.0-1062.el7
Fixed · RHSA-2019:2029
Red Hat Enterprise Linux 8
kernel-0:4.18.0-80.11.1.el8_0
Fixed · RHSA-2019:2703
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-80.11.1.rt9.156.el8_0
Fixed · RHSA-2019:2741
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Will not fix
Red Hat Enterprise Linux 7
kernel-alt
Will not fix
Red Hat Enterprise Linux 7
kernel-rt
Affected
Red Hat Enterprise MRG 2
kernel-rt
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | kernel-0:3.10.0-1062.el7 | Fixed | RHSA-2019:2029 |
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-80.11.1.el8_0 | Fixed | RHSA-2019:2703 |
| Red Hat Enterprise Linux 8 | kernel-rt-0:4.18.0-80.11.1.rt9.156.el8_0 | Fixed | RHSA-2019:2741 |
| Red Hat Enterprise Linux 5 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 6 | kernel | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Affected | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:L/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:L/UI:N/S:U/C:H/I:H/A:H
AV:L/AC:L/Au:N/C:P/I:P/A:P
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 v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.56% (0.00564) | 44.85th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.56% (0.00564) | 42.20th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.07% (0.00067) | 17.99th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 11.89th | v3 (v2023.03.01) |
| Jul 2, 2024 | 0.04% (0.00044) | 10.25th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00044) | 8.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.55% (0.01547) | 74.98th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.55% (0.01547) | 74.94th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.55% (0.01547) | 72.92th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.55% (0.01547) | 51.82th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.99% (0.01987) | 50.13th | v1 |
| Jan 6, 2022 | 1.99% (0.01987) | 49.62th | v1 |
| Sep 1, 2021 | 1.99% (0.01987) | 76.72th | v1 |
| Apr 14, 2021 | 1.99% (0.01987) | 0.00th | v1 |
References (22)
- http://www.securityfocus.com/bid/106109 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://access.redhat.com/errata/RHSA-2019:2703 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-19824 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1655816 Issue Tracking
- https://bugzilla.suse.com/show_bug.cgi?id=1118152 x_refsource_MISCIssue TrackingPatchThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound.git/commit/?id=5f8cf712582617d523120df67d392059eaf2fc4b x_refsource_MISCPatchVendor Advisory
- https://github.com/torvalds/linux/commit/5f8cf712582617d523120df67d392059eaf2fc4b x_refsource_MISCPatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00034.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/04/msg00004.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/05/msg00002.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-19824
- https://support.f5.com/csp/article/K98155950 x_refsource_CONFIRMThird Party Advisory
- https://usn.ubuntu.com/3879-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3879-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3930-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3930-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3931-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3931-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3933-1/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://usn.ubuntu.com/3933-2/ vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2018-19824
- https://www.openwall.com/lists/oss-security/2018/12/03/1
Change history (0)
No recorded changes yet.