Vulnerability in Linux
CVE-2022-48971
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
EPSS: 0.002 (14.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions e64c97b53bc6727aa4385535166aaa047281e02d, 4.9, 0
- Linux Linux_kernel — versions 6.1
References
Frequently asked questions
- What is CVE-2022-48971?
- CVE-2022-48971 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2024-10-21.
- How severe is CVE-2022-48971?
- Medium severity. CVSS v3 base score is 5.5 out of 10.