kernel: Memory leak in hsr_dev_finalize() in net/hsr/hsr_device.c
Published Sep 30, 2019
7.5
HIGHCVSS 3.1
EPSS 3.53%
Description
In the Linux kernel before 5.0.3, a memory leak exits in hsr_dev_finalize() in net/hsr/hsr_device.c if hsr_add_port fails to add a port, which may cause denial of service, aka CID-6caabe7f197d.
Affected products
No data.
Configuration 1
- ≥ 3.17 · < 3.18.137
- ≥ 4.4 · < 4.4.177
- ≥ 4.9 · < 4.9.164
- ≥ 4.14 · < 4.14.107
- ≥ 4.19 · < 4.19.30
- ≥ 4.20 · < 4.20.17
- ≥ 5.0 · < 5.0.3
- 5.1
Configuration 3
- n/a
Configuration 4
- n/a
Configuration 5
- n/a
Configuration 6
- n/a
Configuration 7
- n/a
Configuration 8
- n/a
Configuration 9
- n/a
Configuration 10
- n/a
Configuration 11
- n/a
Configuration 12
- n/a
Configuration 13
- n/a
- n/a
- n/a
- n/a
- n/a
No data.
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-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 | 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-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
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
AV:N/AC:L/Au:N/C:N/I:N/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 3, 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 (18 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 3.53% (0.03529) | 88.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.53% (0.03529) | 87.70th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.00% (0.01997) | 82.02th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.20% (0.05198) | 82.83th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.00% (0.01997) | 82.45th | v4 (v2025.03.14) |
| Dec 17, 2024 | 0.44% (0.00440) | 74.47th | v3 (v2023.03.01) |
| Mar 14, 2024 | 0.69% (0.00685) | 79.59th | v3 (v2023.03.01) |
| Sep 6, 2023 | 0.69% (0.00685) | 77.57th | v3 (v2023.03.01) |
| Aug 21, 2023 | 0.60% (0.00600) | 75.71th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.44% (0.00441) | 70.84th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.11% (0.01108) | 53.57th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 8.93% (0.08934) | 82.99th | v2 (v2022.01.01) |
| Feb 3, 2022 | 7.62% (0.07623) | 84.03th | v1 |
| Jan 6, 2022 | 7.62% (0.07623) | 83.88th | v1 |
| Sep 1, 2021 | 1.81% (0.01806) | 74.37th | v1 |
| Apr 14, 2021 | 1.81% (0.01806) | 0.00th | v1 |
References (10)
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-16995 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1759684 Issue Tracking
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.3 x_refsource_MISCExploitRelease NotesVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6caabe7f197d3466d238f70915d65301f1716626 x_refsource_MISCPatchVendor Advisory
- https://github.com/torvalds/linux/commit/6caabe7f197d3466d238f70915d65301f1716626 x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-16995
- https://security.netapp.com/advisory/ntap-20191031-0005/ x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-16995
Change history (0)
No recorded changes yet.