{"id":"CVE-2025-38458","summary":"atm: clip: Fix NULL pointer dereference in vcc_sendmsg()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\natm: clip: Fix NULL pointer dereference in vcc_sendmsg()\n\natmarpd_dev_ops does not implement the send method, which may cause crash\nas bellow.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000000\nPGD 0 P4D 0\nOops: Oops: 0010 [#1] SMP KASAN NOPTI\nCPU: 0 UID: 0 PID: 5324 Comm: syz.0.0 Not tainted 6.15.0-rc6-syzkaller-00346-g5723cc3450bc #0 PREEMPT(full)\nHardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014\nRIP: 0010:0x0\nCode: Unable to access opcode bytes at 0xffffffffffffffd6.\nRSP: 0018:ffffc9000d3cf778 EFLAGS: 00010246\nRAX: 1ffffffff1910dd1 RBX: 00000000000000c0 RCX: dffffc0000000000\nRDX: ffffc9000dc82000 RSI: ffff88803e4c4640 RDI: ffff888052cd0000\nRBP: ffffc9000d3cf8d0 R08: ffff888052c9143f R09: 1ffff1100a592287\nR10: dffffc0000000000 R11: 0000000000000000 R12: 1ffff92001a79f00\nR13: ffff888052cd0000 R14: ffff88803e4c4640 R15: ffffffff8c886e88\nFS:  00007fbc762566c0(0000) GS:ffff88808d6c2000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: ffffffffffffffd6 CR3: 0000000041f1b000 CR4: 0000000000352ef0\nDR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\nDR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\nCall Trace:\n \u003cTASK\u003e\n vcc_sendmsg+0xa10/0xc50 net/atm/common.c:644\n sock_sendmsg_nosec net/socket.c:712 [inline]\n __sock_sendmsg+0x219/0x270 net/socket.c:727\n ____sys_sendmsg+0x52d/0x830 net/socket.c:2566\n ___sys_sendmsg+0x21f/0x2a0 net/socket.c:2620\n __sys_sendmmsg+0x227/0x430 net/socket.c:2709\n __do_sys_sendmmsg net/socket.c:2736 [inline]\n __se_sys_sendmmsg net/socket.c:2733 [inline]\n __x64_sys_sendmmsg+0xa0/0xc0 net/socket.c:2733\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x77/0x7f","modified":"2026-03-20T12:42:52.175088Z","published":"2025-07-25T15:27:37.164Z","related":["MGASA-2025-0218","MGASA-2025-0219","SUSE-SU-2025:03272-1","SUSE-SU-2025:03290-1","SUSE-SU-2025:03301-1","SUSE-SU-2025:03382-1","SUSE-SU-2025:03602-1","SUSE-SU-2025:03633-1","SUSE-SU-2025:03634-1","SUSE-SU-2025:20653-1","SUSE-SU-2025:20669-1","SUSE-SU-2025:20739-1","SUSE-SU-2025:20756-1","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-2025-38458.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/07b585ae3699c0a5026f86ac846f144e34875eee"},{"type":"WEB","url":"https://git.kernel.org/stable/c/22fc46cea91df3dce140a7dc6847c6fcf0354505"},{"type":"WEB","url":"https://git.kernel.org/stable/c/27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8"},{"type":"WEB","url":"https://git.kernel.org/stable/c/34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7f1cad84ac1a6af42d9d57e879de47ce37995024"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7f8a9b396037daae453a108faec5b28886361323"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9ec7e943aee5c28c173933f9defd40892fb3be3d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e"},{"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-2025-38458.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38458"},{"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":"9ec7e943aee5c28c173933f9defd40892fb3be3d"},{"fixed":"a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e"},{"fixed":"7f1cad84ac1a6af42d9d57e879de47ce37995024"},{"fixed":"27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8"},{"fixed":"07b585ae3699c0a5026f86ac846f144e34875eee"},{"fixed":"34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0"},{"fixed":"7f8a9b396037daae453a108faec5b28886361323"},{"fixed":"22fc46cea91df3dce140a7dc6847c6fcf0354505"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-38458.json"}}],"schema_version":"1.7.5"}