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.
References (5)
Core 5
Core References
Mailing List, Patch, Release Notes, Vendor Advisory x_refsource_misc
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.1
Exploit, Third Party Advisory x_refsource_misc
https://syzkaller.appspot.com/text?tag=ReproC&x=15ca2f46900000
Patch, Third Party Advisory x_refsource_misc
https://sites.google.com/view/syzscope/kasan-slab-out-of-bounds-read-in-hci_extended_inquiry_result_evt
Patch, Vendor Advisory x_refsource_misc
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=51c19bf3d5cfaa66571e4b88ba2a6f6295311101
Patch, Third Party Advisory x_refsource_misc
https://syzkaller.appspot.com/bug?id=4bf11aa05c4ca51ce0df86e500fce486552dc8d2
Scores
CVSS v3
7.1
EPSS
0.0022
EPSS Percentile
44.1%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
Details
CWE
CWE-125
Status
published
Products (1)
linux/linux_kernel
< 5.8.1
Published
Jun 07, 2021
Tracked Since
Feb 18, 2026