Vulnerability Description
An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.6.11 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
| Canonical | Ubuntu Linux | 14.04 |
| Netapp | Active Iq Unified Manager | - |
| Netapp | Cloud Backup | - |
| Netapp | Element Software | - |
| Netapp | Hci Management Node | - |
| Netapp | Solidfire | - |
| Netapp | Steelstore Cloud Integrated Storage | - |
| Netapp | Hci Bootstrap Os | - |
| Netapp | Hci Compute Node | - |
| Netapp | A700S Firmware | - |
| Netapp | A700S | - |
| Netapp | H300S Firmware | - |
| Netapp | H300S | - |
| Netapp | H500S Firmware | - |
| Netapp | H500S | - |
| Netapp | H700S Firmware | - |
| Netapp | H700S | - |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00019.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.htmlMailing ListThird Party Advisory
- https://lkml.org/lkml/2020/4/26/87ExploitMailing ListPatch
- https://security.netapp.com/advisory/ntap-20200608-0001/Third Party Advisory
- https://usn.ubuntu.com/4462-1/Third Party Advisory
- https://usn.ubuntu.com/4463-1/Third Party Advisory
- https://usn.ubuntu.com/4465-1/Third Party Advisory
- https://usn.ubuntu.com/4483-1/Third Party Advisory
- https://usn.ubuntu.com/4485-1/Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2020-12771?
CVE-2020-12771 is a vulnerability with a CVSS score of 5.5 (MEDIUM). An issue was discovered in the Linux kernel through 5.6.11. btree_gc_coalesce in drivers/md/bcache/btree.c has a deadlock if a coalescing operation fails.
How severe is CVE-2020-12771?
CVE-2020-12771 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-12771?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux, Opensuse Leap, Canonical Ubuntu Linux, Netapp Active Iq Unified Manager.