CVE-2020-12659
MEDIUMCVSS 6.7/10EPSS 0.71%
Last modified
CVE-2020-12659 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.71% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.18, < 4.19.118 |
| Linux | Linux Kernel | >= 4.20, < 5.4.35 |
| Linux | Linux Kernel | >= 5.5, < 5.6.7 |
| Netapp | Active Iq Unified Manager | All versions |
| Netapp | Cloud Backup | All versions |
| 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 |
| Netapp | Hci Baseboard Management Controller | h615c |
| Netapp | Hci Baseboard Management Controller | h700s |
| Netapp | Solidfire \& Hci Management Node | All versions |
| Netapp | Steelstore Cloud Integrated Storage | All versions |
| Netapp | Aff Baseboard Management Controller | a700s |
| Netapp | Solidfire Baseboard Management Controller | All versions |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Third Party Advisory, VDB Entry
- https://bugzilla.kernel.org/show_bug.cgi?id=207225Exploit, Issue Tracking, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7Release Notes, Vendor Advisory
- https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02Patch, 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/Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.htmlMailing List, Third Party Advisory, VDB Entry
- https://bugzilla.kernel.org/show_bug.cgi?id=207225Exploit, Issue Tracking, Vendor Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.7Release Notes, Vendor Advisory
- https://github.com/torvalds/linux/commit/99e3a236dd43d06c65af0a2ef9cb44306aef6e02Patch, 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/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-12659?
CVE-2020-12659 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.71% probability of exploitation in the next 30 days.
How do I fix CVE-2020-12659?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-12659?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST