{"id":"CVE-2023-53518","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: Fix leak in devfreq_dev_release()\n\nsrcu_init_notifier_head() allocates resources that need to be released\nwith a srcu_cleanup_notifier_head() call.\n\nRepor…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: Fix leak in devfreq_dev_release()\n\nsrcu_init_notifier_head() allocates resources that need to be released\nwith a srcu_cleanup_notifier_head() call.\n\nRepor…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-401"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 4.7, < 4.14.326","linux_kernel >= 4.15, < 4.19.295","linux_kernel >= 4.20, < 5.4.257","linux_kernel >= 5.5, < 5.10.195","linux_kernel >= 5.11, < 5.15.132","linux_kernel >= 5.16, < 6.1.53","linux_kernel >= 6.2, < 6.4.16","linux_kernel >= 6.5, < 6.5.3"],"patched":["linux_kernel 6.5.3"],"published":"2025-10-01","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:17:41.900","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-53518","references":[{"url":"https://git.kernel.org/stable/c/111bafa210ae546bee7644be730c42df9c35b66e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/1640e9c72173911ad0fddb05012c01eafe082c4e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/29811f4b8255d4238cf326f3bb7129784766beab","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3354c401c68d70567d1ef25d12f4e22a7813a3c6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5693d077595de721f9ddbf9d37f40e5409707dfe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/64e6e0dc2d578c0a9e31cb4edd719f0a3ed98f6d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7462483446cb9986568ad7adae746ce5f18d2968","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8918025feb2f5f7c73f2495c158f22997e25cb02","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ab192e5e5d3b48415909a8408acfd007a607bcc0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"epss":0.0016,"epssPercentile":0.05063,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:35:17.855174Z"},"ingestedAt":"2026-10-15T22:48:25.408Z","slug":"CVE-2023-53518","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nPM / devfreq: Fix leak in devfreq_dev_release()\n\nsrcu_init_notifier_head() allocates resources that need to be released\nwith a srcu_cleanup_notifier_head() call.\n\nReported by kmemleak.\n\n## Affected\n\n- `linux_kernel >= 4.7, < 4.14.326`\n- `linux_kernel >= 4.15, < 4.19.295`\n- `linux_kernel >= 4.20, < 5.4.257`\n- `linux_kernel >= 5.5, < 5.10.195`\n- `linux_kernel >= 5.11, < 5.15.132`\n- `linux_kernel >= 5.16, < 6.1.53`\n- `linux_kernel >= 6.2, < 6.4.16`\n- `linux_kernel >= 6.5, < 6.5.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.5.3`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}