{"id":"CVE-2025-37823","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too\n\nSimilarly to the previous patch, we need to safe guard hfsc_dequeue()\ntoo","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too\n\nSimilarly to the previous patch, we need to safe guard hfsc_dequeue()\ntoo. But for this one, we don't have a…","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 >= 2.6.13, < 5.4.293","linux_kernel >= 5.5, < 5.10.237","linux_kernel >= 5.11, < 5.15.181","linux_kernel >= 5.16, < 6.1.136","linux_kernel >= 6.2, < 6.6.89","linux_kernel >= 6.7, < 6.12.26","linux_kernel >= 6.13, < 6.14.5","linux_kernel = 2.6.12","linux_kernel = 6.15","debian_linux = 11.0"],"patched":["linux_kernel 6.14.5"],"published":"2025-05-08","updated":"2026-10-15","sourceUpdated":"2026-10-15T22:18:19.083","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-37823","references":[{"url":"https://git.kernel.org/stable/c/11bccb054c1462fb069219f8e98e97a5a730758e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2f46d14919c39528c6e540ebc43f90055993eedc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/68f256305ceb426d545a0dc31f83c2ab1d211a1e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6ccbda44e2cc3d26fd22af54c650d6d5d801addf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/76c4c22c2437d3d3880efc0f62eca06ef078d290","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c6936266f8bf98a53f28ef9a820e6a501e946d09","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c6f035044104c6ff656f4565cd22938dc892528c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/da7936518996d290e2fcfcaf6cd7e15bfd87804a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","cve.org"],"epss":0.00229,"epssPercentile":0.13576,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-15T21:45:30.457885Z"},"ingestedAt":"2026-10-15T22:48:25.480Z","slug":"CVE-2025-37823","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet_sched: hfsc: Fix a potential UAF in hfsc_dequeue() too\n\nSimilarly to the previous patch, we need to safe guard hfsc_dequeue()\ntoo. But for this one, we don't have a reliable reproducer.\n\n## Affected\n\n- `linux_kernel >= 2.6.13, < 5.4.293`\n- `linux_kernel >= 5.5, < 5.10.237`\n- `linux_kernel >= 5.11, < 5.15.181`\n- `linux_kernel >= 5.16, < 6.1.136`\n- `linux_kernel >= 6.2, < 6.6.89`\n- `linux_kernel >= 6.7, < 6.12.26`\n- `linux_kernel >= 6.13, < 6.14.5`\n- `linux_kernel = 2.6.12`\n- `linux_kernel = 6.15`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.14.5`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}