{"id":"CVE-2025-38550","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: mcast: Delay put pmc->idev in mld_del_delrec()\n\npmc->idev is still used in ip6_mc_clear_src(), so as mld_clear_delrec()\ndoes, the reference should be put after ip…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: mcast: Delay put pmc->idev in mld_del_delrec()\n\npmc->idev is still used in ip6_mc_clear_src(), so as mld_clear_delrec()\ndoes, the reference should be put after ip…","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","vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.13, < 5.15.190","linux_kernel >= 5.16, < 6.1.147","linux_kernel >= 6.2, < 6.6.100","linux_kernel >= 6.7, < 6.12.40","linux_kernel >= 6.13, < 6.15.8","linux_kernel = 6.16","debian_linux = 11.0"],"patched":["linux_kernel 6.15.8"],"published":"2025-08-16","updated":"2026-07-24","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-38550","references":[{"url":"https://git.kernel.org/stable/c/1b5b413094af8d88a31b5df3fd262f6baca53841","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5f18e0130194550dff734e155029ae734378b5ea","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6e4eec86fe5f6b3fdbc702d1d36ac2a6e7ec0806","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/728db00a14cacb37f36e9382ab5fad55caf890cc","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7929d27c747eafe8fca3eecd74a334503ee4c839","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ae3264a25a4635531264728859dbe9c659fad554","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/dcbc346f50a009d8b7f4e330f9f2e22d6442fa26","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00158,"epssPercentile":0.05377,"ingestedAt":"2026-07-24T15:30:57.794Z","slug":"CVE-2025-38550","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nipv6: mcast: Delay put pmc->idev in mld_del_delrec()\n\npmc->idev is still used in ip6_mc_clear_src(), so as mld_clear_delrec()\ndoes, the reference should be put after ip6_mc_clear_src() return.\n\n## Affected\n\n- `linux_kernel >= 5.13, < 5.15.190`\n- `linux_kernel >= 5.16, < 6.1.147`\n- `linux_kernel >= 6.2, < 6.6.100`\n- `linux_kernel >= 6.7, < 6.12.40`\n- `linux_kernel >= 6.13, < 6.15.8`\n- `linux_kernel = 6.16`\n- `debian_linux = 11.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.15.8`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}