kernel: use-after-free in cpia2_exit in drivers/media/usb/cpia2/cpia2_v4l.c
Published Dec 25, 2019
4.6
MEDIUMCVSS 3.1
EPSS 0.63%
Description
In the Linux kernel before 5.1.6, there is a use-after-free in cpia2_exit() in drivers/media/usb/cpia2/cpia2_v4l.c that will cause denial of service, aka CID-dea37a972655.
Affected products
No data.
Configuration 1
- < 5.1.6
Configuration 2
- 8.0
- 15.1
Configuration 3
- n/a
- n/a
- n/a
- ≥ 11.0 · ≤ 11.70.2
- n/a
- h610s
- n/a
- n/a
- a700s
- n/a
No data.
Red Hat Enterprise Linux 5
kernel
Out of support scope
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise MRG 2
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | kernel | Out of support scope | 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-alt | 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 Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
To mitigate this issue, prevent module cpia2 from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/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 4, 2026.
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (12 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.63% (0.00632) | 48.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.63% (0.00632) | 45.34th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.09% (0.00086) | 22.61th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.09% (0.00089) | 40.00th | v3 (v2023.03.01) |
| Jun 22, 2024 | 0.09% (0.00089) | 38.62th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00089) | 36.60th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.67% (0.01669) | 53.27th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.60% (0.06599) | 83.03th | v1 |
| Jan 6, 2022 | 6.60% (0.06599) | 82.86th | v1 |
| Jan 5, 2022 | 1.55% (0.01550) | 73.94th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.55% (0.01550) | 0.00th | v1 |
References (9)
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html vendor-advisoryx_refsource_SUSEBroken LinkMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-19966 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1794399 Issue Tracking
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.6 x_refsource_MISCRelease NotesThird Party Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dea37a97265588da604c6ba80160a287b72c7bfd x_refsource_MISCExploitVendor Advisory
- https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-19966
- https://security.netapp.com/advisory/ntap-20200204-0002/ x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-19966
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html | vendor-advisoryx_refsource_SUSEBroken LinkMailing ListThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2019-19966 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1794399 | Issue Tracking | |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.6 | x_refsource_MISCRelease NotesThird Party Advisory | |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dea37a97265588da604c6ba80160a287b72c7bfd | x_refsource_MISCExploitVendor Advisory | |
| https://lists.debian.org/debian-lts-announce/2020/01/msg00013.html | mailing-listx_refsource_MLISTMailing ListThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-19966 | ||
| https://security.netapp.com/advisory/ntap-20200204-0002/ | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2019-19966 |
Change history (0)
No recorded changes yet.