{"id":"CVE-2024-50127","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: fix use-after-free in taprio_change()\n\nIn 'taprio_change()', 'admin' pointer may become dangling due to sched\nswitch / removal caused by 'advance_sched()', …","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: fix use-after-free in taprio_change()\n\nIn 'taprio_change()', 'admin' pointer may become dangling due to sched\nswitch / removal caused by 'advance_sched()', …","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-416"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.2, < 5.15.170","linux_kernel >= 5.16, < 6.1.115","linux_kernel >= 6.2, < 6.6.59","linux_kernel >= 6.7, < 6.11.6","linux_kernel = 6.12"],"patched":["linux_kernel 6.11.6"],"published":"2024-11-05","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:19:07.610","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-50127","references":[{"url":"https://git.kernel.org/stable/c/0d4c0d2844e4eac3aed647f948fd7e60eea56a61","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2240f9376f20f8b6463232b4ca7292569217237f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2f868ce6013548a713c431c679ef73747a66fcf3","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8a283a19026aaae8a773fd8061263cfa315b127f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/999612996df28d81f163dad530d7f8026e03aec6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f504465970aebb2467da548f7c1efbbf36d0f44b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/fe371f084073e8672a2d7d46b335c3c060d1e301","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00247,"epssPercentile":0.1593,"ingestedAt":"2026-10-15T03:30:12.763Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2024-12-11T14:28:21.328657Z"},"slug":"CVE-2024-50127","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: sched: fix use-after-free in taprio_change()\n\nIn 'taprio_change()', 'admin' pointer may become dangling due to sched\nswitch / removal caused by 'advance_sched()', and critical section\nprotected by 'q->current_entry_lock' is too small to prevent from such\na scenario (which causes use-after-free detected by KASAN). Fix this\nby prefer 'rcu_replace_pointer()' over 'rcu_assign_pointer()' to update\n'admin' immediately before an attempt to schedule freeing.\n\n## Affected\n\n- `linux_kernel >= 5.2, < 5.15.170`\n- `linux_kernel >= 5.16, < 6.1.115`\n- `linux_kernel >= 6.2, < 6.6.59`\n- `linux_kernel >= 6.7, < 6.11.6`\n- `linux_kernel = 6.12`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.11.6`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}