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CVE-2020-36386

Good to know:

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Date: June 7, 2021

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.

Language: C

Severity Score

Related Resources (10)

https://security-tracker.debian.org/tracker/CVE-2020-36386
https://syzkaller.appspot.com/bug?id=4bf11aa05c4ca51ce0df86e500fce486552dc8d2
https://nvd.nist.gov/vuln/detail/CVE-2020-36386
https://syzkaller.appspot.com/text?tag=ReproC&x=15ca2f46900000
https://access.redhat.com/security/cve/CVE-2020-36386
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51c19bf3d5cfaa66571e4b88ba2a6f6295311101
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-36386
https://sites.google.com/view/syzscope/kasan-slab-out-of-bounds-read-in-hci_extended_inquiry_result_evt
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.1
https://www.mend.io/vulnerability-database/CVE-2020-36386

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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