5.5

CVE-2022-50510: perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()

Analyzed
AliasesUBUNTU-CVE-2022-50510DEBIAN-CVE-2022-50510
Published 07-10-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50510 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
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 2
RHSA-2022:1988RHSA-2023:6583

Timeline

  1. 07-10-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init() arm_smmu_pmu_init() won't remove the callback added by cpuhp_setup_state_multi() when platform_driver_register() failed. Remove the callback by cpuhp_remove_multi_state() in fail path. Similar to the handling of arm_ccn_init() in commit 26242b330093 ("bus: arm-ccn: Prevent hotplug callback leak")

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.16% 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.

Ubuntu116 products
  • linux< 5.4.0-144.161 | < 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.4.0-1097.105 | < 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21, < d69bdb61d577297d3851fc9f6403574bf73ef41f | ≥ 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21, < 359286f886feef38536eaa7e673dc3440f03b0a1 | ≥ 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21, < b131304fe722853cf26e55c4fa21fc58a36e7f21 | ≥ 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21, < f245ca9a0fe7f794a8187ad803d5e2ced5a11cb2 | ≥ 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21, < 582babe17ea878ec1d76f30e03f3a6ce6e30eb91 | ≥ 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21, < 6f2d566b46436a50a80d6445e82879686b89588c | 5.2
  • linux_kernel≥ 5.2, < 5.4.229 | ≥ 5.5, < 5.10.163 | ≥ 5.11, < 5.15.86 | ≥ 5.16, < 6.0.16 | ≥ 6.1, < 6.1.2
Debian1 product
  • linux< 6.1.4-1

3 vendors · 119 products

References

10 links