CVE-2025-40211

{"id": "CVE-2025-40211", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-40211", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-16T19:58:30.759747Z"}}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "8ab58e8e7e097bae5fe39cbc67eb93a91f7134b7", "lessThan": "3f803ccf5a0c043e7c8b83f6665b082401fc8bee", "versionType": "git"}, {"status": "affected", "version": "8ab58e8e7e097bae5fe39cbc67eb93a91f7134b7", "lessThan": "ba1704316492a0496c69334338ea1fdbf4c2fd34", "versionType": "git"}, {"status": "affected", "version": "8ab58e8e7e097bae5fe39cbc67eb93a91f7134b7", "lessThan": "bc78a4f51d548c1ccc3d1967c2b394bf687c86e9", "versionType": "git"}, {"status": "affected", "version": "8ab58e8e7e097bae5fe39cbc67eb93a91f7134b7", "lessThan": "a63a5b6fb508d78fe57ae3b159d9ef3af7ba80e9", "versionType": "git"}, {"status": "affected", "version": "8ab58e8e7e097bae5fe39cbc67eb93a91f7134b7", "lessThan": "4e85246ec0d019dfba86ba54d841ef6694f97149", "versionType": "git"}, {"status": "affected", "version": "8ab58e8e7e097bae5fe39cbc67eb93a91f7134b7", "lessThan": "de5fc93275a4a459fe2f7cb746984f2ab3e8292a", "versionType": "git"}, {"status": "affected", "version": "8ab58e8e7e097bae5fe39cbc67eb93a91f7134b7", "lessThan": "293125536ef5521328815fa7c76d5f9eb1635659", "versionType": "git"}, {"status": "affected", "version": "8ab58e8e7e097bae5fe39cbc67eb93a91f7134b7", "lessThan": "8f067aa59430266386b83c18b983ca583faa6a11", "versionType": "git"}], "programFiles": ["drivers/acpi/acpi_video.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.17"}, {"status": "unaffected", "version": "0", "lessThan": "3.17", "versionType": "semver"}, {"status": "unaffected", "version": "5.4.302", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.247", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.197", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.159", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.117", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.58", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.17.8", "versionType": "semver", "lessThanOrEqual": "6.17.*"}, {"status": "unaffected", "version": "6.18", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/acpi/acpi_video.c"], "defaultStatus": "affected"}]}], "published": "2025-11-21T11:15:49.513", "references": [{"url": "https://git.kernel.org/stable/c/293125536ef5521328815fa7c76d5f9eb1635659", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3f803ccf5a0c043e7c8b83f6665b082401fc8bee", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4e85246ec0d019dfba86ba54d841ef6694f97149", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8f067aa59430266386b83c18b983ca583faa6a11", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/a63a5b6fb508d78fe57ae3b159d9ef3af7ba80e9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/ba1704316492a0496c69334338ea1fdbf4c2fd34", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/bc78a4f51d548c1ccc3d1967c2b394bf687c86e9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/de5fc93275a4a459fe2f7cb746984f2ab3e8292a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Deferred", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nACPI: video: Fix use-after-free in acpi_video_switch_brightness()\n\nThe switch_brightness_work delayed work accesses device->brightness\nand device->backlight, freed by acpi_video_dev_unregister_backlight()\nduring device removal.\n\nIf the work executes after acpi_video_bus_unregister_backlight()\nfrees these resources, it causes a use-after-free when\nacpi_video_switch_brightness() dereferences device->brightness or\ndevice->backlight.\n\nFix this by calling cancel_delayed_work_sync() for each device's\nswitch_brightness_work in acpi_video_bus_remove_notify_handler()\nafter removing the notify handler that queues the work. This ensures\nthe work completes before the memory is freed.\n\n[ rjw: Changelog edit ]"}], "lastModified": "2026-06-17T09:21:27.897", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}