Vulnerability Details : CVE-2020-12659
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2020-12659
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*
- cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_baseboard_management_controller:h610c:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:hci_baseboard_management_controller:h615c:*:*:*:*:*:*:*
- cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:*:*:*:*:*:*:*
- cpe:2.3:h:netapp:aff_baseboard_management_controller:a700s:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-12659
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 36 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-12659
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.2
|
HIGH | AV:L/AC:L/Au:N/C:C/I:C/A:C |
3.9
|
10.0
|
NIST | |
|
6.7
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
0.8
|
5.9
|
NIST |
CWE ids for CVE-2020-12659
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-12659
-
https://usn.ubuntu.com/4388-1/
USN-4388-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
[security-announce] openSUSE-SU-2020:0801-1: important: Security updateMailing List;Third Party Advisory;VDB Entry
-
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7
Release Notes;Vendor Advisory
-
https://security.netapp.com/advisory/ntap-20200608-0001/
May 2020 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://bugzilla.kernel.org/show_bug.cgi?id=207225
207225 – Malformed headroom in umem request of XDP socket could lead to out of bound writeExploit;Issue Tracking;Vendor Advisory
-
https://usn.ubuntu.com/4387-1/
USN-4387-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02
xsk: Add missing check on user supplied headroom size · torvalds/linux@99e3a23 · GitHubPatch;Third Party Advisory
-
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a236dd43d06c65af0a2ef9cb44306aef6e02
kernel/git/torvalds/linux.git - Linux kernel source treePatch;Third Party Advisory
-
https://usn.ubuntu.com/4389-1/
USN-4389-1: Linux kernel vulnerabilities | Ubuntu security noticesThird Party Advisory
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