Medium severity5.3NVD Advisory· Published Jan 16, 2020· Updated Jun 17, 2026
CVE-2019-18282
CVE-2019-18282
Description
The flow_dissector feature in the Linux kernel 4.3 through 5.x before 5.3.10 has a device tracking vulnerability, aka CID-55667441c84f. This occurs because the auto flowlabel of a UDP IPv6 packet relies on a 32-bit hashrnd value as a secret, and because jhash (instead of siphash) is used. The hashrnd value remains the same starting from boot time, and can be inferred by an attacker. This affects net/core/flow_dissector.c and related code.
AI Insight
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Affected products
16- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*Range: >=11.0.0,<=11.70.1
- cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:8300_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:8700_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:a400_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:a700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
- Linux/Linux kerneldescription
Patches
Vulnerability mechanics
References
5- git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/nvdMailing ListPatchVendor Advisory
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.3.10nvdMailing ListVendor Advisory
- lists.debian.org/debian-lts-announce/2020/03/msg00001.htmlnvdMailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20200204-0002/nvdThird Party Advisory
- www.computer.org/csdl/proceedings-article/sp/2020/349700b594/1j2LgrHDR2onvdThird Party Advisory
News mentions
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