CVE-2023-25012 - Use After Free

Severity

46%

Complexity

9%

Confidentiality

60%

The Linux kernel through 6.1.9 has a Use-After-Free in bigben_remove in drivers/hid/hid-bigbenff.c via a crafted USB device because the LED controllers remain registered for too long.

CVSS 3.1 Base Score 4.6. CVSS Attack Vector: physical. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H).

Demo Examples

Use After Free

CWE-416

The following example demonstrates the weakness.


               
}
free(buf3R2);

Use After Free

CWE-416

The following code illustrates a use after free error:


               
}
free(ptr);
logError("operation aborted before commit", ptr);

When an error occurs, the pointer is immediately freed. However, this pointer is later incorrectly used in the logError function.

Overview

First reported 2 years ago

2023-02-02 00:15:00

Last updated 1 year ago

2023-11-07 04:08:00

Affected Software

Linux Kernel

References

https://seclists.org/oss-sec/2023/q1/53

https://lore.kernel.org/all/[email protected]/

[oss-security] 20230202 Re: Linux Kernel: hid: Use-After-Free in bigben_set_led()

https://seclists.org/oss-sec/2023/q1/53

Exploit, Mailing List, Third Party Advisory

https://lore.kernel.org/all/[email protected]/

Mailing List, Patch, Vendor Advisory

[oss-security] 20230202 Re: Linux Kernel: hid: Use-After-Free in bigben_set_led()

Exploit, Mailing List, Third Party Advisory

[debian-lts-announce] 20230502 [SECURITY] [DLA 3404-1] linux-5.10 security update

[oss-security] 20231105 CVE-2023-1078: Linux: rds_rm_zerocopy_callback() bugs

https://lore.kernel.org/all/20230125-hid-unregister-leds-v1-1-9a5192dcef16%40diag.uniroma1.it/

Stay updated

ExploitPedia is constantly evolving. Sign up to receive a notification when we release additional functionality.

Get in touch

If you'd like to report a bug or have any suggestions for improvements then please do get in touch with us using this form. We will get back to you as soon as we can.