coresight: holding cscfg_csdev_lock while removing cscfg from csdev

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-38132
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-07-03 09:15:27 UTC
Updated2026-10-21 13:18:08 UTC
DescriptionIn the Linux kernel, the following vulnerability has been resolved: coresight: holding cscfg_csdev_lock while removing cscfg from csdev There'll be possible race scenario for coresight config: CPU0 CPU1 (perf enable) load module cscfg_load_config_sets() activate config. // sysfs (sys_active_cnt == 1) ... cscfg_csdev_enable_active_config() lock(csdev->cscfg_csdev_lock) deactivate config // sysfs (sys_activec_cnt == 0) cscfg_unload_config_sets() <iterating config_csdev_list> cscfg_remove_owned_csdev_configs() // here load config activate by CPU1 unlock(csdev->cscfg_csdev_lock) iterating config_csdev_list could be raced with config_csdev_list's entry delete. To resolve this race , hold csdev->cscfg_csdev_lock() while cscfg_remove_owned_csdev_configs()

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

Problem Types: NVD-CWE-noinfo

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 02bd588e12df405bdf55244708151b7f238b79ba 1cd09aaf47a570bf6b05a7cd06b98e9d35fe82c7 git Not specified
CNA Linux Linux affected 02bd588e12df405bdf55244708151b7f238b79ba 8f16b9caf0bdba46044e1d3727ee78291aa36347 git Not specified
CNA Linux Linux affected 02bd588e12df405bdf55244708151b7f238b79ba 42f8afb0b161631fd1d814d017f75f955475ad41 git Not specified
CNA Linux Linux affected 02bd588e12df405bdf55244708151b7f238b79ba 53b9e2659719b04f5ba7593f2af0f2335f75e94a git Not specified
CNA Linux Linux affected 5.17 Not specified
CNA Linux Linux unaffected 5.17 semver Not specified
CNA Linux Linux unaffected 6.6.160 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.114 6.12.* semver Not specified
CNA Linux Linux unaffected 6.15.3 6.15.* semver Not specified
CNA Linux Linux unaffected 6.16 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/8f16b9caf0bdba46044e1d3727ee78291aa36347 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/1cd09aaf47a570bf6b05a7cd06b98e9d35fe82c7 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org
git.kernel.org/stable/c/53b9e2659719b04f5ba7593f2af0f2335f75e94a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/42f8afb0b161631fd1d814d017f75f955475ad41 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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