CVE-2022-48971
MediumIn 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
CVSS 3.1 score
5.5
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.
References
6 total-
Patch
-
Patch
-
Patch
-
Patch
-
Patch
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.