{"cve":"CVE-2022-48750","nvd":{"published":"2024-06-20T12:15:13.223","modified":"2026-06-17T05:16:05.770","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: (nct6775) Fix crash in clear_caseopen\n\nPaweł Marciniak reports the following crash, observed when clearing\nthe chassis intrusion alarm.\n\nBUG: kernel NULL pointer dereference, address: 0000000000000028\nPGD 0 P4D 0\nOops: 0000 [#1] PREEMPT SMP PTI\nCPU: 3 PID: 4815 Comm: bash Tainted: G S                5.16.2-200.fc35.x86_64 #1\nHardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./Z97 Extreme4, BIOS P2.60A 05/03/2018\nRIP: 0010:clear_caseopen+0x5a/0x120 [nct6775]\nCode: 68 70 e8 e9 32 b1 e3 85 c0 0f 85 d2 00 00 00 48 83 7c 24 ...\nRSP: 0018:ffffabcb02803dd8 EFLAGS: 00010246\nRAX: 0000000000000000 RBX: 0000000000000002 RCX: 0000000000000000\nRDX: ffff8e8808192880 RSI: 0000000000000000 RDI: ffff8e87c7509a68\nRBP: 0000000000000000 R08: 0000000000000001 R09: 000000000000000a\nR10: 000000000000000a R11: f000000000000000 R12: 000000000000001f\nR13: ffff8e87c7509828 R14: ffff8e87c7509a68 R15: ffff8e88494527a0\nFS:  00007f4db9151740(0000) GS:ffff8e8ebfec0000(0000) knlGS:0000000000000000\nCS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\nCR2: 0000000000000028 CR3: 0000000166b66001 CR4: 00000000001706e0\nCall Trace:\n <TASK>\n kernfs_fop_write_iter+0x11c/0x1b0\n new_sync_write+0x10b/0x180\n vfs_write+0x209/0x2a0\n ksys_write+0x4f/0xc0\n do_syscall_64+0x3b/0x90\n entry_SYSCALL_64_after_hwframe+0x44/0xae\n\nThe problem is that the device passed to clear_caseopen() is the hwmon\ndevice, not the platform device, and the platform data is not set in the\nhwmon device. Store the pointer to sio_data in struct nct6775_data and\nget if from there if needed.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/79da533d3cc717ccc05ddbd3190da8a72bc2408b","https://git.kernel.org/stable/c/cfb7d12f2e4a4d694f49e9b4ebb352f7b67cdfbb","https://git.kernel.org/stable/c/79da533d3cc717ccc05ddbd3190da8a72bc2408b","https://git.kernel.org/stable/c/cfb7d12f2e4a4d694f49e9b4ebb352f7b67cdfbb"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:52:00.836172422+00:00"},"epss":{"cve":"CVE-2022-48750","score":0.00223,"percentile":0.12904,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}