{"id":"CVE-2025-23144","title":"backlight: led_bl: Hold led_access lock when calling led_sysfs_disable()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nbacklight: led_bl: Hold led_access lock when calling led_sysfs_disable()\n\nLockdep detects the following issue on led-backlight removal:\n  [  142.315935] ------------[ c…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 87d947a0607be384bfe7bb0935884a711e35ca07","Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 74c7d67a3c305fc1fa03c32a838e8446fb7aee14","Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < b447885ec9130cf86f355e011dc6b94d6ccfb5b7","Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 1c82f5a393d8b9a5c1ea032413719862098afd4b","Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 61a5c565fd2442d3128f3bab5f022658adc3a4e6","Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 11d128f7eacec276c75cf4712880a6307ca9c885","Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < b8ddf5107f53789448900f04fa220f34cd2f777e","Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 276822a00db3c1061382b41e72cafc09d6a0ec30","Linux 5.6"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:39:30.966512Z"},"published":"2025-05-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:41:51.914Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-23144","references":[{"url":"https://git.kernel.org/stable/c/87d947a0607be384bfe7bb0935884a711e35ca07"},{"url":"https://git.kernel.org/stable/c/74c7d67a3c305fc1fa03c32a838e8446fb7aee14"},{"url":"https://git.kernel.org/stable/c/b447885ec9130cf86f355e011dc6b94d6ccfb5b7"},{"url":"https://git.kernel.org/stable/c/1c82f5a393d8b9a5c1ea032413719862098afd4b"},{"url":"https://git.kernel.org/stable/c/61a5c565fd2442d3128f3bab5f022658adc3a4e6"},{"url":"https://git.kernel.org/stable/c/11d128f7eacec276c75cf4712880a6307ca9c885"},{"url":"https://git.kernel.org/stable/c/b8ddf5107f53789448900f04fa220f34cd2f777e"},{"url":"https://git.kernel.org/stable/c/276822a00db3c1061382b41e72cafc09d6a0ec30"}],"tags":["cve.org"],"epss":0.00223,"epssPercentile":0.12938,"ingestedAt":"2026-11-05T22:38:31.866Z","slug":"CVE-2025-23144","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nbacklight: led_bl: Hold led_access lock when calling led_sysfs_disable()\n\nLockdep detects the following issue on led-backlight removal:\n  [  142.315935] ------------[ cut here ]------------\n  [  142.315954] WARNING: CPU: 2 PID: 292 at drivers/leds/led-core.c:455 led_sysfs_enable+0x54/0x80\n  ...\n  [  142.500725] Call trace:\n  [  142.503176]  led_sysfs_enable+0x54/0x80 (P)\n  [  142.507370]  led_bl_remove+0x80/0xa8 [led_bl]\n  [  142.511742]  platform_remove+0x30/0x58\n  [  142.515501]  device_remove+0x54/0x90\n  ...\n\nIndeed, led_sysfs_enable() has to be called with the led_access\nlock held.\n\nHold the lock when calling led_sysfs_disable().\n\n## Affected\n\n- `Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 87d947a0607be384bfe7bb0935884a711e35ca07`\n- `Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 74c7d67a3c305fc1fa03c32a838e8446fb7aee14`\n- `Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < b447885ec9130cf86f355e011dc6b94d6ccfb5b7`\n- `Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 1c82f5a393d8b9a5c1ea032413719862098afd4b`\n- `Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 61a5c565fd2442d3128f3bab5f022658adc3a4e6`\n- `Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 11d128f7eacec276c75cf4712880a6307ca9c885`\n- `Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < b8ddf5107f53789448900f04fa220f34cd2f777e`\n- `Linux >= ae232e45acf9621f2c96b41ca3af006ac7552c33 < 276822a00db3c1061382b41e72cafc09d6a0ec30`\n- `Linux 5.6`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}