Bug 2151959 (CVE-2022-45934) - CVE-2022-45934 kernel: integer overflow in l2cap_config_req() in net/bluetooth/l2cap_core.c
Summary: CVE-2022-45934 kernel: integer overflow in l2cap_config_req() in net/bluetoot...
Keywords:
Status: NEW
Alias: CVE-2022-45934
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On: 2152857 2152858 2152859 2152860 2151960
Blocks: 2150891
TreeView+ depends on / blocked
 
Reported: 2022-12-08 17:48 UTC by Guilherme de Almeida Suckevicz
Modified: 2023-07-07 08:30 UTC (History)
35 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
An integer overflow flaw was found in the Linux kernel’s L2CAP bluetooth functionality in how a user generates malicious L2CAP_CONF_REQ packets. This flaw allows a local or bluetooth connection user to crash the system.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Guilherme de Almeida Suckevicz 2022-12-08 17:48:52 UTC 
An issue was discovered in the Linux kernel through 6.0.10. l2cap_config_req in net/bluetooth/l2cap_core.c has an integer wraparound via L2CAP_CONF_REQ packets.

Reference and upstream patch:
https://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next.git/commit/?id=ae4569813a6e931258db627cdfe50dfb4f917d5d
Comment 1 Guilherme de Almeida Suckevicz 2022-12-08 17:49:17 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2151960]
Note You need to log in before you can comment on or make changes to this bug.