7.8

CVE-2022-49029: hwmon: (ibmpex) Fix possible UAF when ibmpex_register_bmc() fails

Modified
AliasesUBUNTU-CVE-2022-49029DEBIAN-CVE-2022-49029
Published 21-10-2024Last modified 05-08-2026

Vulnerability summary

CVE-2022-49029 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 15.8% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.24%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 10 · Related 9
RHSA-2025:6966SUSE-SU-2024:3983-1SUSE-SU-2024:3985-1SUSE-SU-2024:4082-1SUSE-SU-2024:4100-1SUSE-SU-2024:4131-1

Timeline

  1. 21-10-2024
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

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().

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.24%

Chance of exploitation in the next 30 days

Percentile

16%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.24% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu113 products
  • linuxAll versions (No fix recorded) | < 4.15.0-206.217 | < 5.4.0-144.161 | < 5.15.0-67.74
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1151.164 | < 5.4.0-1097.105 | < 5.15.0-1031.35
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < f2a13196ad41c6c2ab058279dffe6c97292e753a | ≥ 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 798198273bf86673b970b51acdb35e57f42b3fcb | ≥ 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 24b9633f7db7f4809be7053df1d2e117e7c2de10 | ≥ 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 7b2b67fe1339389e0bf3c37c7a677a004ac0e4e3 | ≥ 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 90907cd4d11351ff76c9a447bcb5db0e264c47cd | ≥ 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < 45f6e81863747c0d7bc6a95ec51129900e71467a | ≥ 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < e65cfd1f9cd27d9c27ee5cb88128a9f79f25d863 | ≥ 57c7c3a0fdea95eddcaeba31e7ca7dfc917682ab, < e2a87785aab0dac190ac89be6a9ba955e2c634f2 | 2.6.24
  • linux_kernel≥ 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:rc1 | 6.1:rc2 | 6.1:rc3 | 6.1:rc4 | 6.1:rc5 | 6.1:rc6 | 6.1:rc7
Debian1 product
  • linux< 6.0.12-1

3 vendors · 116 products

References

12 links
Show all 12 references