{"id":"CVE-2025-38587","title":"ipv6: fix possible infinite loop in fib6_info_uses_dev()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix possible infinite loop in fib6_info_uses_dev()\n\nfib6_info_uses_dev() seems to rely on RCU without an explicit\nprotection.\n\nLike the prior fix in rt6_nlmsg_siz…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= d0ec61c9f3583b76aebdbb271f5c0d3fcccd48b2 < bc85e62394f008fa848c4ba02c936c735a3e8ef5","Linux >= 52da02521ede55fb86546c3fffd9377b3261b91f < 9cb6de8ee144a94ae7a40bdb32560329ab7276f0","Linux >= 34a949e7a0869dfa31a40416d2a56973fae1807b < db65739d406c72776fbdbbc334be827ef05880d2","Linux >= d9ccb18f83ea2bb654289b6ecf014fd267cc988b < 16d21816c0918f8058b5fc14cbe8595d62046e2d","Linux >= d9ccb18f83ea2bb654289b6ecf014fd267cc988b < e09be457b71b983a085312ff9e981f51e4ed3211","Linux >= d9ccb18f83ea2bb654289b6ecf014fd267cc988b < f8d8ce1b515a0a6af72b30502670a406cfb75073","Linux 11edcd026012ac18acee0f1514db3ed1b160fc6f","Linux >= 6.1.128 < 6.1.148","Linux >= 6.6.75 < 6.6.102","Linux >= 6.12.2 < 6.12.42","Linux >= 6.11.11 < 6.12","Linux 6.13"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:04:30.762235Z"},"published":"2025-08-19","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:12:48.067Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38587","references":[{"url":"https://git.kernel.org/stable/c/bc85e62394f008fa848c4ba02c936c735a3e8ef5"},{"url":"https://git.kernel.org/stable/c/9cb6de8ee144a94ae7a40bdb32560329ab7276f0"},{"url":"https://git.kernel.org/stable/c/db65739d406c72776fbdbbc334be827ef05880d2"},{"url":"https://git.kernel.org/stable/c/16d21816c0918f8058b5fc14cbe8595d62046e2d"},{"url":"https://git.kernel.org/stable/c/e09be457b71b983a085312ff9e981f51e4ed3211"},{"url":"https://git.kernel.org/stable/c/f8d8ce1b515a0a6af72b30502670a406cfb75073"}],"tags":["cve.org"],"epss":0.00168,"epssPercentile":0.06046,"ingestedAt":"2026-11-05T22:38:31.998Z","slug":"CVE-2025-38587","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix possible infinite loop in fib6_info_uses_dev()\n\nfib6_info_uses_dev() seems to rely on RCU without an explicit\nprotection.\n\nLike the prior fix in rt6_nlmsg_size(),\nwe need to make sure fib6_del_route() or fib6_add_rt2node()\nhave not removed the anchor from the list, or we risk an infinite loop.\n\n## Affected\n\n- `Linux >= d0ec61c9f3583b76aebdbb271f5c0d3fcccd48b2 < bc85e62394f008fa848c4ba02c936c735a3e8ef5`\n- `Linux >= 52da02521ede55fb86546c3fffd9377b3261b91f < 9cb6de8ee144a94ae7a40bdb32560329ab7276f0`\n- `Linux >= 34a949e7a0869dfa31a40416d2a56973fae1807b < db65739d406c72776fbdbbc334be827ef05880d2`\n- `Linux >= d9ccb18f83ea2bb654289b6ecf014fd267cc988b < 16d21816c0918f8058b5fc14cbe8595d62046e2d`\n- `Linux >= d9ccb18f83ea2bb654289b6ecf014fd267cc988b < e09be457b71b983a085312ff9e981f51e4ed3211`\n- `Linux >= d9ccb18f83ea2bb654289b6ecf014fd267cc988b < f8d8ce1b515a0a6af72b30502670a406cfb75073`\n- `Linux 11edcd026012ac18acee0f1514db3ed1b160fc6f`\n- `Linux >= 6.1.128 < 6.1.148`\n- `Linux >= 6.6.75 < 6.6.102`\n- `Linux >= 6.12.2 < 6.12.42`\n- `Linux >= 6.11.11 < 6.12`\n- `Linux 6.13`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}