{"id":"CVE-2025-38460","summary":"atm: clip: Fix potential null-ptr-deref in to_atmarpd().","details":"In the Linux kernel, the following vulnerability has been resolved:\n\natm: clip: Fix potential null-ptr-deref in to_atmarpd().\n\natmarpd is protected by RTNL since commit f3a0592b37b8 (\"[ATM]: clip\ncauses unregister hang\").\n\nHowever, it is not enough because to_atmarpd() is called without RTNL,\nespecially clip_neigh_solicit() / neigh_ops-\u003esolicit() is unsleepable.\n\nAlso, there is no RTNL dependency around atmarpd.\n\nLet's use a private mutex and RCU to protect access to atmarpd in\nto_atmarpd().","modified":"2026-04-16T04:31:44.371916298Z","published":"2025-07-25T15:27:38.608Z","related":["SUSE-SU-2025:02853-1","SUSE-SU-2025:02923-1","SUSE-SU-2025:02969-1","SUSE-SU-2025:02996-1","SUSE-SU-2025:02997-1","SUSE-SU-2025:03011-1","SUSE-SU-2025:03023-1","SUSE-SU-2025:03204-1","SUSE-SU-2025:03283-1","SUSE-SU-2025:03310-1","SUSE-SU-2025:03314-1","SUSE-SU-2025:03344-1","SUSE-SU-2025:03383-1","SUSE-SU-2025:03384-1","SUSE-SU-2025:20577-1","SUSE-SU-2025:20586-1","SUSE-SU-2025:20601-1","SUSE-SU-2025:20602-1","SUSE-SU-2025:21074-1","SUSE-SU-2025:21139-1","SUSE-SU-2025:21179-1","openSUSE-SU-2025:20081-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38460.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/06935c50cfa3ac57cce80bba67b6d38ec1406e92"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3251ce3979f41bd228f77a7615f9dd616d06a110"},{"type":"WEB","url":"https://git.kernel.org/stable/c/36caab990b69ef4eec1d81c52a19f080b7daa059"},{"type":"WEB","url":"https://git.kernel.org/stable/c/706cc36477139c1616a9b2b96610a8bb520b7119"},{"type":"WEB","url":"https://git.kernel.org/stable/c/70eac9ba7ce25d99c1d99bbf4ddb058940f631f9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a4c5785feb979cd996a99cfaad8bf353b2e79301"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ee4d9e4ddf3f9c4ee2ec0a3aad6196ee36d30e57"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f58e4270c73e7f086322978d585ea67c8076ce49"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/38xxx/CVE-2025-38460.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38460"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2"},{"fixed":"a4c5785feb979cd996a99cfaad8bf353b2e79301"},{"fixed":"70eac9ba7ce25d99c1d99bbf4ddb058940f631f9"},{"fixed":"3251ce3979f41bd228f77a7615f9dd616d06a110"},{"fixed":"ee4d9e4ddf3f9c4ee2ec0a3aad6196ee36d30e57"},{"fixed":"06935c50cfa3ac57cce80bba67b6d38ec1406e92"},{"fixed":"36caab990b69ef4eec1d81c52a19f080b7daa059"},{"fixed":"f58e4270c73e7f086322978d585ea67c8076ce49"},{"fixed":"706cc36477139c1616a9b2b96610a8bb520b7119"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-38460.json"}}],"schema_version":"1.7.5"}