CVSS 3.1
5.5 mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HCVE-2020-12771
Medium (5.5). EPSS 0.5% chance of exploitation in the next 30 days.
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.
Severity
- EPSS
- 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
- CWE
- CWE-667
- Published
- Modified
- Record from
- the NVD, synced
Affected
- canonical:ubuntu_linux
- debian:debian_linux
- linux:linux_kernel
- netapp:a700s_firmware
- netapp:active_iq_unified_manager
- netapp:cloud_backup
- netapp:element_software
- netapp:h300e_firmware
- netapp:h300s_firmware
- netapp:h410c_firmware
- netapp:h410s_firmware
- netapp:h500e_firmware
- netapp:h500s_firmware
- netapp:h610c_firmware
- netapp:h610s_firmware
- netapp:h615c_firmware
- netapp:h700e_firmware
- netapp:h700s_firmware
- netapp:hci_bootstrap_os
- netapp:hci_management_node
- netapp:solidfire
- netapp:steelstore_cloud_integrated_storage
- opensuse:leap
- oracle:sd-wan_edge
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
- https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
- https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html