{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2025-38131", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.987Z", "datePublished": "2025-07-03T08:35:35.036Z", "dateUpdated": "2025-07-28T04:13:00.836Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-07-28T04:13:00.836Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: prevent deactivate active config while enabling the config\n\nWhile enable active config via cscfg_csdev_enable_active_config(),\nactive config could be deactivated via configfs' sysfs interface.\nThis could make UAF issue in below scenario:\n\nCPU0 CPU1\n(sysfs enable) load module\n cscfg_load_config_sets()\n activate config. // sysfs\n (sys_active_cnt == 1)\n...\ncscfg_csdev_enable_active_config()\nlock(csdev->cscfg_csdev_lock)\n// here load config activate by CPU1\nunlock(csdev->cscfg_csdev_lock)\n\n deactivate config // sysfs\n (sys_activec_cnt == 0)\n cscfg_unload_config_sets()\n unload module\n\n// access to config_desc which freed\n// while unloading module.\ncscfg_csdev_enable_config\n\nTo address this, use cscfg_config_desc's active_cnt as a reference count\n which will be holded when\n - activate the config.\n - enable the activated config.\nand put the module reference when config_active_cnt == 0."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwtracing/coresight/coresight-config.h", "drivers/hwtracing/coresight/coresight-syscfg.c"], "versions": [{"version": "f8cce2ff3c04361b8843d8489620fda8880f668b", "lessThan": "dfe8224c9c7a43d356eb9f74b06868aa05f90223", "status": "affected", "versionType": "git"}, {"version": "f8cce2ff3c04361b8843d8489620fda8880f668b", "lessThan": "b3b4efa2e623aecaebd7c9b9e4171f5c659e9724", "status": "affected", "versionType": "git"}, {"version": "f8cce2ff3c04361b8843d8489620fda8880f668b", "lessThan": "31028812724cef7bd57a51525ce58a32a6d73b22", "status": "affected", "versionType": "git"}, {"version": "f8cce2ff3c04361b8843d8489620fda8880f668b", "lessThan": "ed42ee1ed05ff2f4c36938379057413a40c56680", "status": "affected", "versionType": "git"}, {"version": "f8cce2ff3c04361b8843d8489620fda8880f668b", "lessThan": "408c97c4a5e0b634dcd15bf8b8808b382e888164", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/hwtracing/coresight/coresight-config.h", "drivers/hwtracing/coresight/coresight-syscfg.c"], "versions": [{"version": "5.15", "status": "affected"}, {"version": "0", "lessThan": "5.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.142", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.94", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.34", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.3", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.1.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.6.94"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.12.34"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.15.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/dfe8224c9c7a43d356eb9f74b06868aa05f90223"}, {"url": "https://git.kernel.org/stable/c/b3b4efa2e623aecaebd7c9b9e4171f5c659e9724"}, {"url": "https://git.kernel.org/stable/c/31028812724cef7bd57a51525ce58a32a6d73b22"}, {"url": "https://git.kernel.org/stable/c/ed42ee1ed05ff2f4c36938379057413a40c56680"}, {"url": "https://git.kernel.org/stable/c/408c97c4a5e0b634dcd15bf8b8808b382e888164"}], "title": "coresight: prevent deactivate active config while enabling the config", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: prevent deactivate active config while enabling the config\n\nWhile enable active config via cscfg_csdev_enable_active_config(),\nactive config could be deactivated via configfs' sysfs interface.\nThis could make UAF issue in below scenario:\n\nCPU0 CPU1\n(sysfs enable) load module\n cscfg_load_config_sets()\n activate config. // sysfs\n (sys_active_cnt == 1)\n...\ncscfg_csdev_enable_active_config()\nlock(csdev->cscfg_csdev_lock)\n// here load config activate by CPU1\nunlock(csdev->cscfg_csdev_lock)\n\n deactivate config // sysfs\n (sys_activec_cnt == 0)\n cscfg_unload_config_sets()\n unload module\n\n// access to config_desc which freed\n// while unloading module.\ncscfg_csdev_enable_config\n\nTo address this, use cscfg_config_desc's active_cnt as a reference count\n which will be holded when\n - activate the config.\n - enable the activated config.\nand put the module reference when config_active_cnt == 0."}], "id": "CVE-2025-38131", "lastModified": "2025-07-03T15:13:53.147", "metrics": {}, "published": "2025-07-03T09:15:27.430", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/31028812724cef7bd57a51525ce58a32a6d73b22"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/408c97c4a5e0b634dcd15bf8b8808b382e888164"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b3b4efa2e623aecaebd7c9b9e4171f5c659e9724"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dfe8224c9c7a43d356eb9f74b06868aa05f90223"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ed42ee1ed05ff2f4c36938379057413a40c56680"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: coresight: prevent deactivate active config while enabling the config", "id": "2376094", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376094"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncoresight: prevent deactivate active config while enabling the config\nWhile enable active config via cscfg_csdev_enable_active_config(),\nactive config could be deactivated via configfs' sysfs interface.\nThis could make UAF issue in below scenario:\nCPU0 CPU1\n(sysfs enable) load module\ncscfg_load_config_sets()\nactivate config. // sysfs\n(sys_active_cnt == 1)\n...\ncscfg_csdev_enable_active_config()\nlock(csdev->cscfg_csdev_lock)\n// here load config activate by CPU1\nunlock(csdev->cscfg_csdev_lock)\ndeactivate config // sysfs\n(sys_activec_cnt == 0)\ncscfg_unload_config_sets()\nunload module\n// access to config_desc which freed\n// while unloading module.\ncscfg_csdev_enable_config\nTo address this, use cscfg_config_desc's active_cnt as a reference count\nwhich will be holded when\n- activate the config.\n- enable the activated config.\nand put the module reference when config_active_cnt == 0."], "name": "CVE-2025-38131", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38131\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38131\nhttps://lore.kernel.org/linux-cve-announce/2025070330-CVE-2025-38131-2350@gregkh/T"], "threat_severity": "Moderate"}