Vulnerability in Linux Kernel
CVE-2020-12771
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (44.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00071.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/08/msg00019.html (mailing-list, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4463-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4465-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4462-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4483-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/4485-1/ (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/10/msg00032.html (mailing-list, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/10/msg00034.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-12771?
- CVE-2020-12771 is a medium-severity vulnerability in Linux Kernel, classified under Improper Locking. CVSS score: 5.5/10. Published 2020-05-09.
- How severe is CVE-2020-12771?
- Medium severity. CVSS v3 base score is 5.5 out of 10.