CVE-2019-16995
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- v2.0•HIGH•Score: 7.8AV:N/AC:L/Au:N/C:N/I:N/A:C
EPSS Trends
Current EPSS score: 3.53%• Percentile: 89%
Techniques & Countermeasures
- CWE-401•Missing Release of Memory after Effective Lifetime
The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Affected Systems
- debian•linux
< 4.19.37-1 | < 4.19.37-1 | < 4.19.37-1 | < 4.19.37-1
- ubuntu•linux
< 4.4.0-148.174 | < 4.15.0-60.67
- ubuntu•linux-aws
< 4.4.0-1044.47 | < 4.4.0-1083.93 | < 4.15.0-1047.49
- ubuntu•linux-aws-fips
< 4.15.0-2018.18 | all
- ubuntu•linux-aws-hwe
< 4.15.0-1047.49~16.04.1
- ubuntu•linux-azure
< 4.15.0-1059.64~14.04.1 | < 4.15.0-1056.61 | < 5.0.0-1014.14~18.04.1
- ubuntu•linux-azure-fde
all
- ubuntu•linux-azure-fips
< 4.15.0-2006.7 | all
- ubuntu•linux-bluefield
all
- ubuntu•linux-fips
< 4.4.0-1008.10
- ubuntu•linux-gcp
< 4.15.0-1041.43 | < 4.15.0-1042.45
- ubuntu•linux-gcp-fips
all
- ubuntu•linux-gke
all
- ubuntu•linux-gke-4.15
< 4.15.0-1041.43
- ubuntu•linux-hwe
< 4.15.0-60.67~16.04.1 | < 5.0.0-23.24~18.04.1
- ubuntu•linux-intel-iot-realtime
all
- ubuntu•linux-kvm
< 4.4.0-1046.52 | < 4.15.0-1043.43
- ubuntu•linux-lts-xenial
< 4.4.0-148.174~14.04.1
- ubuntu•linux-oem
< 4.15.0-1056.65
- ubuntu•linux-oracle
< 4.15.0-1022.25~16.04.1 | < 4.15.0-1022.25
- ubuntu•linux-raspi-realtime
all
- ubuntu•linux-raspi2
< 4.4.0-1107.115 | < 4.15.0-1044.47
- ubuntu•linux-realtime
all
- ubuntu•linux-riscv
all | all
- ubuntu•linux-snapdragon
< 4.4.0-1111.116 | < 4.15.0-1062.69
- linux•linux_kernel
≥ 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:rc1
- netapp•aff_a700s_firmware
na
- netapp•data_availability_services
na
- netapp•h300e_firmware
na
- netapp•h300s_firmware
na
- netapp•h410c_firmware
na
- netapp•h410s_firmware
na
- netapp•h500e_firmware
na
- netapp•h500s_firmware
na
- netapp•h610s_firmware
na
- netapp•h700e_firmware
na
- netapp•h700s_firmware
na
- netapp•hci_management_node
na
- netapp•service_processor
na
- netapp•solidfire
na
- netapp•steelstore_cloud_integrated_storage
na
- opensuse•leap
15.0 | 15.1
References (10)
- https://github.com/torvalds/linux/commit/6caabe7f197d3466d238f70915d65301f1716626
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6caabe7f197d3466d238f70915d65301f1716626
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.0.3
- https://security.netapp.com/advisory/ntap-20191031-0005/
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00010.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00035.html
- https://ubuntu.com/security/CVE-2019-16995
- https://git.kernel.org/linus/6caabe7f197d3466d238f70915d65301f1716626
- https://www.cve.org/CVERecord?id=CVE-2019-16995
- https://security-tracker.debian.org/tracker/CVE-2019-16995