{"id":"CVE-2025-21924","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an error\n\nDuring the initialization of ptp, hclge_ptp_get_cycle might return an er…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an error\n\nDuring the initialization of ptp, hclge_ptp_get_cycle might return an er…","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-459"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.14.1, < 5.15.179","linux_kernel >= 5.16, < 6.1.131","linux_kernel >= 6.2, < 6.6.83","linux_kernel >= 6.7, < 6.12.19","linux_kernel >= 6.13, < 6.13.7","linux_kernel = 5.14","linux_kernel = 6.14"],"patched":["linux_kernel 6.13.7"],"published":"2025-04-01","updated":"2026-07-30","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-21924","references":[{"url":"https://git.kernel.org/stable/c/21dba813d9821687a7f9aff576798ba21a859a32","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2c04e507f3a5c5dc6e2b9ab37d8cdedee1ef1a37","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/33244e98aa9503585e585335fe2ceb4492630949","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9cfc43c0e6e6a31122b4008d763a2960c206aa2d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b7365eab39831487a84e63a9638209b68dc54008","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b7d8d4529984e2d4a72a6d552fb886233e8e83cb","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00212,"epssPercentile":0.11804,"ingestedAt":"2026-07-30T13:54:11.678Z","slug":"CVE-2025-21924","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnet: hns3: make sure ptp clock is unregister and freed if hclge_ptp_get_cycle returns an error\n\nDuring the initialization of ptp, hclge_ptp_get_cycle might return an error\nand returned directly without unregister clock and free it. To avoid that,\ncall hclge_ptp_destroy_clock to unregist and free clock if\nhclge_ptp_get_cycle failed.\n\n## Affected\n\n- `linux_kernel >= 5.14.1, < 5.15.179`\n- `linux_kernel >= 5.16, < 6.1.131`\n- `linux_kernel >= 6.2, < 6.6.83`\n- `linux_kernel >= 6.7, < 6.12.19`\n- `linux_kernel >= 6.13, < 6.13.7`\n- `linux_kernel = 5.14`\n- `linux_kernel = 6.14`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.13.7`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}