vulnerability

Ubuntu: (Multiple Advisories) (CVE-2025-38132): Linux kernel vulnerabilities

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
Jul 3, 2025
Added
Jul 7, 2025
Modified
Dec 5, 2025

Description

In 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()

Solutions

ubuntu-upgrade-linux-image-6-14-0-1012-azureubuntu-upgrade-linux-image-6-14-0-1012-oemubuntu-upgrade-linux-image-6-14-0-1012-realtimeubuntu-upgrade-linux-image-6-14-0-1013-awsubuntu-upgrade-linux-image-6-14-0-1013-aws-64kubuntu-upgrade-linux-image-6-14-0-1013-oracleubuntu-upgrade-linux-image-6-14-0-1013-oracle-64kubuntu-upgrade-linux-image-6-14-0-1014-raspiubuntu-upgrade-linux-image-6-14-0-1016-gcpubuntu-upgrade-linux-image-6-14-0-1016-gcp-64kubuntu-upgrade-linux-image-6-14-0-32-genericubuntu-upgrade-linux-image-6-14-0-32-generic-64kubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-6-14ubuntu-upgrade-linux-image-aws-64kubuntu-upgrade-linux-image-aws-64k-6-14ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-6-14ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-6-14ubuntu-upgrade-linux-image-gcp-64kubuntu-upgrade-linux-image-gcp-64k-6-14ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-6-14ubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-6-14ubuntu-upgrade-linux-image-generic-64k-hwe-24-04ubuntu-upgrade-linux-image-generic-hwe-24-04ubuntu-upgrade-linux-image-oem-24-04ubuntu-upgrade-linux-image-oem-24-04aubuntu-upgrade-linux-image-oem-24-04bubuntu-upgrade-linux-image-oem-24-04cubuntu-upgrade-linux-image-oem-6-14ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-6-14ubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-image-oracle-64k-6-14ubuntu-upgrade-linux-image-raspiubuntu-upgrade-linux-image-raspi-6-14ubuntu-upgrade-linux-image-realtimeubuntu-upgrade-linux-image-realtime-6-14ubuntu-upgrade-linux-image-realtime-hwe-24-04ubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-6-14ubuntu-upgrade-linux-image-virtual-hwe-24-04

References

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