{"id":"CVE-2025-38458","state":"PUBLISHED","title":"atm: clip: Fix NULL pointer dereference in vcc_sendmsg()","description":"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 <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","publishedAt":"2025-07-25T15:27:37.164Z","updatedAt":"2026-05-11T21:28:24.097Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"9ec7e943aee5c28c173933f9defd40892fb3be3d","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7f1cad84ac1a6af42d9d57e879de47ce37995024","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"07b585ae3699c0a5026f86ac846f144e34875eee","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7f8a9b396037daae453a108faec5b28886361323","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"22fc46cea91df3dce140a7dc6847c6fcf0354505","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/atm/clip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.4.296","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.240","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.189","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.146","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.99","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.39","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.7","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/atm/clip.c"]}],"references":["https://git.kernel.org/stable/c/9ec7e943aee5c28c173933f9defd40892fb3be3d","https://git.kernel.org/stable/c/a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e","https://git.kernel.org/stable/c/7f1cad84ac1a6af42d9d57e879de47ce37995024","https://git.kernel.org/stable/c/27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8","https://git.kernel.org/stable/c/07b585ae3699c0a5026f86ac846f144e34875eee","https://git.kernel.org/stable/c/34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0","https://git.kernel.org/stable/c/7f8a9b396037daae453a108faec5b28886361323","https://git.kernel.org/stable/c/22fc46cea91df3dce140a7dc6847c6fcf0354505","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38458.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38458","state":"PUBLISHED","datePublished":"2025-07-25T15:27:37.164Z","dateUpdated":"2026-05-11T21:28:24.097Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.019Z"},"containers":{"cna":{"title":"atm: clip: Fix NULL pointer dereference in vcc_sendmsg()","descriptions":[{"lang":"en","value":"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 <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"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"9ec7e943aee5c28c173933f9defd40892fb3be3d","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"a16fbe6087e91c8e7c4aa50e1af7ad56edbd9e3e","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7f1cad84ac1a6af42d9d57e879de47ce37995024","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"27b5bb7ea1a8fa7b8c4cfde4d2bf8650cca2e8e8","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"07b585ae3699c0a5026f86ac846f144e34875eee","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"34a09d6240a25185ef6fc5a19dbb3cdbb6a78bc0","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"7f8a9b396037daae453a108faec5b28886361323","versionType":"git"},{"version":"1da177e4c3f41524e886b7f1b8a0c1fc7321cac2","status":"affected","lessThan":"22fc46cea91df3dce140a7dc6847c6fcf0354505","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/atm/clip.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.12","versionType":"semver"},{"version":"5.4.296","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.240","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.189","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.146","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.99","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.39","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.7","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/atm/clip.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:28:24.097Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.4.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.10.240"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"5.15.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.1.146"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.6.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.12.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.15.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.12","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T17:38:16.061Z"}}]}}}