CVE-2022-49029

HighCVSS 7.8/10Last modified Aug 4, 2026

Description

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().

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-416

Affected software

VendorProductVersions
LinuxLinux>= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < f2a13196ad41c6c2ab058279dffe6c97292e753a; >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 798198273bf86673b970b51acdb35e57f42b3fcb; >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 24b9633f7db7f4809be7053df1d2e117e7c2de10; >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 7b2b67fe1339389e0bf3c37c7a677a004ac0e4e3; >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 90907cd4d11351ff76c9a447bcb5db0e264c47cd; >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 45f6e81863747c0d7bc6a95ec51129900e71467a; >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < e65cfd1f9cd27d9c27ee5cb88128a9f79f25d863; >= 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < e2a87785aab0dac190ac89be6a9ba955e2c634f2
LinuxLinux2.6.24

References

Timeline

Published
Oct 21, 2024
Last modified
Aug 4, 2026
NVD status
Modified

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