Description
An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.
References (9)
Core 9
Core References
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.kernel.org/show_bug.cgi?id=207225
Patch, Third Party Advisory x_refsource_misc
https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02
Patch, Third Party Advisory x_refsource_misc
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02
Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200608-0001/
Mailing List, Third Party Advisory, VDB Entry vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4388-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4389-1/
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/4387-1/
Scores
CVSS v3
6.7
EPSS
0.0010
EPSS Percentile
26.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-787
Status
published
Products (15)
linux/linux_kernel
4.18 - 4.19.118
netapp/active_iq_unified_manager
netapp/aff_baseboard_management_controller
a700s
netapp/cloud_backup
netapp/hci_baseboard_management_controller
h300s
netapp/hci_baseboard_management_controller
h410c
netapp/hci_baseboard_management_controller
h410s
netapp/hci_baseboard_management_controller
h500s
netapp/hci_baseboard_management_controller
h610c
netapp/hci_baseboard_management_controller
h610s
... and 5 more
Published
May 05, 2020
Tracked Since
Feb 18, 2026