CVE-2020-36386
HIGHCVSS 7.1/10EPSS 0.54%
Last modified
CVE-2020-36386 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.54% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.8.1 |
References
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.1Mailing List, Patch, Release Notes, Vendor Advisory
- https://sites.google.com/view/syzscope/kasan-slab-out-of-bounds-read-in-hci_extended_inquiry_result_evtPatch, Third Party Advisory
- https://syzkaller.appspot.com/bug?id=4bf11aa05c4ca51ce0df86e500fce486552dc8d2Patch, Third Party Advisory
- https://syzkaller.appspot.com/text?tag=ReproC&x=15ca2f46900000Exploit, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.1Mailing List, Patch, Release Notes, Vendor Advisory
- https://sites.google.com/view/syzscope/kasan-slab-out-of-bounds-read-in-hci_extended_inquiry_result_evtPatch, Third Party Advisory
- https://syzkaller.appspot.com/bug?id=4bf11aa05c4ca51ce0df86e500fce486552dc8d2Patch, Third Party Advisory
- https://syzkaller.appspot.com/text?tag=ReproC&x=15ca2f46900000Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2020-36386?
CVE-2020-36386 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.54% probability of exploitation in the next 30 days.
How do I fix CVE-2020-36386?
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-2020-36386?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST