CVE-2020-12659

moderate-risk
Published 2020-05-05

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.

Do I need to act?

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0.10% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.7/10 Medium
LOCAL / LOW complexity

Affected Products (15)

Aff Baseboard Management Controller

Affected Vendors

Linux Netapp

References (18)

Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
Exploit https://bugzilla.kernel.org/show_bug.cgi?id=207225
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7
Patch https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a...
Patch https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e0...
Third Party Advisory https://security.netapp.com/advisory/ntap-20200608-0001/
Third Party Advisory https://usn.ubuntu.com/4387-1/
Third Party Advisory https://usn.ubuntu.com/4388-1/
Third Party Advisory https://usn.ubuntu.com/4389-1/
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
Exploit https://bugzilla.kernel.org/show_bug.cgi?id=207225
Release Notes https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7
Patch https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=99e3a...
Patch https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e0...
Third Party Advisory https://security.netapp.com/advisory/ntap-20200608-0001/
Third Party Advisory https://usn.ubuntu.com/4387-1/
Third Party Advisory https://usn.ubuntu.com/4388-1/
Third Party Advisory https://usn.ubuntu.com/4389-1/
39
/ 100
moderate-risk
Severity 21/34 · High
Exploitability 0/34 · Minimal
Exposure 18/34 · Moderate