CVE-2022-50510

perf/smmuv3: Fix hotplug callback leak in arm_smmu_pmu_init()

State: Published
Severity: Not scored
Published: Oct 7, 2025
Updated: May 11, 2026
Reserved: Oct 7, 2025

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")

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before d69bdb61d577297d3851fc9f6403574bf73ef41fAffected 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before 359286f886feef38536eaa7e673dc3440f03b0a1Affected 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before b131304fe722853cf26e55c4fa21fc58a36e7f21Affected 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before f245ca9a0fe7f794a8187ad803d5e2ced5a11cb2Affected 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before 582babe17ea878ec1d76f30e03f3a6ce6e30eb91Affected 7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before 6f2d566b46436a50a80d6445e82879686b89588cAffected
LinuxLinux	5.2Affected before 5.2Not affected 5.4.229 through 5.4.Not affected 5.10.163 through 5.10.Not affected 5.15.86 through 5.15.Not affected 6.0.16 through 6.0.Not affected 6.1.2 through 6.1.*Not affected 6.2 and laterNot affected

Product

Versions

LinuxLinux

7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before d69bdb61d577297d3851fc9f6403574bf73ef41fAffected
7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before 359286f886feef38536eaa7e673dc3440f03b0a1Affected
7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before b131304fe722853cf26e55c4fa21fc58a36e7f21Affected
7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before f245ca9a0fe7f794a8187ad803d5e2ced5a11cb2Affected
7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before 582babe17ea878ec1d76f30e03f3a6ce6e30eb91Affected
7d839b4b9e00645e49345d6ce5dfa8edf53c1a21 to before 6f2d566b46436a50a80d6445e82879686b89588cAffected

LinuxLinux

5.2Affected
before 5.2Not affected
5.4.229 through 5.4.*Not affected
5.10.163 through 5.10.*Not affected
5.15.86 through 5.15.*Not affected
6.0.16 through 6.0.*Not affected
6.1.2 through 6.1.*Not affected
6.2 and laterNot affected

References

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