Out-of-bounds Read in Linux Kernel
CVE-2020-36386
An issue was discovered in the Linux kernel before 5.8.1. net/bluetooth/hci_event.c has a slab out-of-bounds read in hci_extended_inquiry_result_evt, aka CID-51c19bf3d5cf.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (43.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 43.9% 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)
Public proof-of-concept exploits
References
- cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.1 (Patch, Mailing List, Release Notes, Vendor Advisory)
- syzkaller.appspot.com/text (Exploit, Third Party Advisory)
- sites.google.com/view/syzscope/kasan-slab-out-of-bounds-read-in-hci_extended_in… (Patch, Third Party Advisory)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (Patch, Vendor Advisory)
- syzkaller.appspot.com/bug (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-36386?
- CVE-2020-36386 is a high-severity vulnerability in Linux Kernel, classified under Out-of-bounds Read. CVSS score: 7.1/10. Published 2021-06-07.
- How severe is CVE-2020-36386?
- High severity. CVSS v3 base score is 7.1 out of 10.
- Is CVE-2020-36386 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.