Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2022-48971

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
21/10/2024
Last modified:
25/10/2024

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> Bluetooth: Fix not cleanup led when bt_init fails<br /> <br /> bt_init() calls bt_leds_init() to register led, but if it fails later,<br /> bt_leds_cleanup() is not called to unregister it.<br /> <br /> This can cause panic if the argument "bluetooth-power" in text is freed<br /> and then another led_trigger_register() tries to access it:<br /> <br /> BUG: unable to handle page fault for address: ffffffffc06d3bc0<br /> RIP: 0010:strcmp+0xc/0x30<br /> Call Trace:<br /> <br /> led_trigger_register+0x10d/0x4f0<br /> led_trigger_register_simple+0x7d/0x100<br /> bt_init+0x39/0xf7 [bluetooth]<br /> do_one_initcall+0xd0/0x4e0

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.9 (including) 4.19.269 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.20 (including) 5.4.227 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.159 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.83 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 6.0.13 (excluding)
cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc4:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc5:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc6:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc7:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.1:rc8:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools