CVE-2022-49029

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails Smatch report warning as follows: drivers/hwmon/ibmpex.c:509 ibmpex_register_bmc() warn: '&data->list' not removed from list If ibmpex_find_sensors() fails in ibmpex_register_bmc(), data will be freed, but data->list will not be removed from driver_data.bmc_data, then list traversal may cause UAF. Fix by removeing it from driver_data.bmc_data before free().

Affected product and versions

Product

Linux Linux, linux kernel

Affected versions

>= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab < f2a13196ad41c6c2ab058279dffe6c97292e753a, >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab < 798198273bf86673b970b51acdb35e57f42b3fcb, >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab < 24b9633f7db7f4809be7053df1d2e117e7c2de10, >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab < 7b2b67fe1339389e0bf3c37c7a677a004ac0e4e3, >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab < 90907cd4d11351ff76c9a447bcb5db0e264c47cd, >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab < 45f6e81863747c0d7bc6a95ec51129900e71467a, >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab < e65cfd1f9cd27d9c27ee5cb88128a9f79f25d863, >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab < e2a87785aab0dac190ac89be6a9ba955e2c634f2, >= 2.6.24, >= 2.6.24 < 4.9.335, >= 4.10 < 4.14.301, >= 4.15 < 4.19.268, >= 4.20 < 5.4.226, >= 5.5 < 5.10.158, >= 5.11 < 5.15.82, >= 5.16 < 6.0.12, 6.1

Fixed versions

4.9.335, 4.14.301, 4.19.268, 5.4.226, 5.10.158, 5.15.82, 6.0.12

Technical data

CVSS vector

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

CWE

CWE-416