What is CVE-2022-48971?

CVE-2022-48971 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 4.9 onward and patched in 4.19.269, 5.4.227, 5.10.159 and others. CVE-2022-48971 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-48971?

CVE-2022-48971 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-48971?

Yes, CVE-2022-48971 has been patched. Fixed versions include 4.19.269, 5.4.227, 5.10.159 and others. If you are running Linux kernel 4.9 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-48971 actively exploited?

CVE-2022-48971 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-48971

Medium

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

Package Linux Kernel

Published 2024-10-21

Last modified 2024-10-25

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

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

Affected versions

Linux kernel versions 4.9 and later are affected. Fixed in 4.19.269, 5.4.227, 5.10.159, 5.15.83, 6.0.13, 6.1 and their respective stable series.

Affected from

≥ 4.9

Fixed in

✓ 4.19.269 4.19.x ✓ 5.4.227 5.4.x ✓ 5.10.159 5.10.x ✓ 5.15.83 5.15.x ✓ 6.0.13 6.0.x ✓ 6.1

References

The following references provide additional information about CVE-2022-48971 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/2c6cf0afc3856359e620e96edd952457d258e16c
Patch
Kernel patch commit
https://git.kernel.org/stable/c/2f3957c7eb4e07df944169a3e50a4d6790e1c744
Patch
Kernel patch commit
https://git.kernel.org/stable/c/5ecf7cd6fde5e72c87122084cf00d63e35d8dd9f
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2022-48971

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2024-10-21

Modified 2024-10-25

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-48971?

CVE-2022-48971 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 4.9 onward and has been patched in 4.19.269, 5.4.227, 5.10.159 and others. CVE-2022-48971 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-48971?

CVE-2022-48971 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-48971?

Yes — CVE-2022-48971 has been patched. Fixed versions include 4.19.269, 5.4.227, 5.10.159 and others. If you are running Linux kernel 4.9 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-48971 actively exploited?

No — CVE-2022-48971 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.