{"id":"CVE-2025-38458","title":"atm: clip: Fix NULL pointer dereference in vcc_sendmsg()","summary":"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…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9ec7e943aee5c28c173933f9defd40892fb3be3d","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7f1cad84ac1a6af42d9d57e879de47ce37995024","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 07b585ae3699c0a5026f86ac846f144e34875eee","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7f8a9b396037daae453a108faec5b28886361323","Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 22fc46cea91df3dce140a7dc6847c6fcf0354505","Linux 2.6.12"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:57:13.456796Z"},"published":"2025-07-25","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:02:39.337Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38458","references":[{"url":"https://git.kernel.org/stable/c/9ec7e943aee5c28c173933f9defd40892fb3be3d"},{"url":"https://git.kernel.org/stable/c/a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e"},{"url":"https://git.kernel.org/stable/c/7f1cad84ac1a6af42d9d57e879de47ce37995024"},{"url":"https://git.kernel.org/stable/c/27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8"},{"url":"https://git.kernel.org/stable/c/07b585ae3699c0a5026f86ac846f144e34875eee"},{"url":"https://git.kernel.org/stable/c/34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0"},{"url":"https://git.kernel.org/stable/c/7f8a9b396037daae453a108faec5b28886361323"},{"url":"https://git.kernel.org/stable/c/22fc46cea91df3dce140a7dc6847c6fcf0354505"}],"tags":["cve.org"],"epss":0.00196,"epssPercentile":0.09386,"ingestedAt":"2026-11-05T22:38:31.987Z","slug":"CVE-2025-38458","body":"## Overview\n\nIn 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 <TASK>\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\n\n## Affected\n\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9ec7e943aee5c28c173933f9defd40892fb3be3d`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7f1cad84ac1a6af42d9d57e879de47ce37995024`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 07b585ae3699c0a5026f86ac846f144e34875eee`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7f8a9b396037daae453a108faec5b28886361323`\n- `Linux >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 22fc46cea91df3dce140a7dc6847c6fcf0354505`\n- `Linux 2.6.12`\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":[]}