CVE-2020-36386

HIGH7.1

An issue was discovered in the Linux kernel before 5

Published Jun 7, 2021

Modified 1 years ago

Details

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.

References

WEB

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.1

WEB

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51c19bf3d5cfaa66571e4b88ba2a6f6295311101

WEB

https://sites.google.com/view/syzscope/kasan-slab-out-of-bounds-read-in-hci_extended_inquiry_result_evt

WEB

https://syzkaller.appspot.com/bug?id=4bf11aa05c4ca51ce0df86e500fce486552dc8d2

WEB

https://syzkaller.appspot.com/text?tag=ReproC&x=15ca2f46900000

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2020-36386

CVSS Analysis

CVSS v3.1

7.1

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

LowAC:L

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

NoneI:N

Availability

HighA:H

7.1/CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Ecosystems

Timeline

PublishedJun 7, 2021

ModifiedAug 4, 2024