kernel: memory leak in the nfp_flower_spawn_vnic_reprs() function in drivers/net/ethernet/netronome/nfp/flower/main.c leads to DoS
Published Nov 18, 2019
5.9
MEDIUMCVSS 3.1
EPSS 3.26%
Description
A memory leak in the nfp_flower_spawn_vnic_reprs() function in drivers/net/ethernet/netronome/nfp/flower/main.c in the Linux kernel before 5.3.4 allows attackers to cause a denial of service (memory consumption), aka CID-8ce39eb5a67a.
Affected products
No data.
Configuration 1
- < 5.3.4
Configuration 2
- 15.1
- 7.0
- 8.0
No data.
Red Hat Enterprise Linux 5
kernel
Not affected
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Fix deferred
Red Hat Enterprise Linux 7
kernel-alt
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Fix deferred
Red Hat Enterprise Linux 8
kernel
Fix deferred
Red Hat Enterprise Linux 8
kernel-rt
Fix deferred
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 | Fix deferred | n/a |
| Red Hat Enterprise Linux 7 | kernel-alt | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Fix deferred | n/a |
| Red Hat Enterprise Linux 8 | kernel | Fix deferred | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Fix deferred | n/a |
| Red Hat Enterprise MRG 2 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue is rated as having Low impact because of the low memory conditions needed to trigger this issue.
Red Hat mitigation
To mitigate this issue, prevent module nfp 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:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:N/AC:M/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 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 (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.26% (0.03262) | 87.97th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.26% (0.03262) | 86.72th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.95% (0.00950) | 74.30th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.88% (0.02876) | 77.14th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.25% (0.00250) | 65.37th | v3 (v2023.03.01) |
| Apr 2, 2024 | 0.25% (0.00250) | 64.38th | v3 (v2023.03.01) |
| Sep 22, 2023 | 0.25% (0.00250) | 62.38th | v3 (v2023.03.01) |
| Sep 7, 2023 | 0.26% (0.00258) | 62.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00215) | 57.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.18% (0.07176) | 80.33th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.55% (0.05553) | 80.10th | v1 |
| Jan 6, 2022 | 5.55% (0.05553) | 79.90th | v1 |
| Sep 1, 2021 | 1.29% (0.01294) | 69.02th | v1 |
| Apr 14, 2021 | 1.29% (0.01294) | 0.00th | v1 |
References (8)
- http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-19081 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1776375 Issue Tracking
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4 x_refsource_MISCRelease NotesVendor Advisory
- https://github.com/torvalds/linux/commit/8ce39eb5a67aee25d9f05b40b673c95b23502e3e x_refsource_MISCPatchThird Party Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2019-19081
- https://security.netapp.com/advisory/ntap-20191205-0001/ x_refsource_CONFIRMThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2019-19081
| Link | Providers | Tags |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00029.html | vendor-advisoryx_refsource_SUSEThird Party Advisory | |
| https://access.redhat.com/security/cve/CVE-2019-19081 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1776375 | Issue Tracking | |
| https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.4 | x_refsource_MISCRelease NotesVendor Advisory | |
| https://github.com/torvalds/linux/commit/8ce39eb5a67aee25d9f05b40b673c95b23502e3e | x_refsource_MISCPatchThird Party Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-19081 | ||
| https://security.netapp.com/advisory/ntap-20191205-0001/ | x_refsource_CONFIRMThird Party Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2019-19081 |
Change history (0)
No recorded changes yet.