{"id":"CVE-2023-53710","summary":"wifi: mt76: mt7921: fix error code of return in mt7921_acpi_read","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921: fix error code of return in mt7921_acpi_read\n\nKernel NULL pointer dereference when ACPI SAR table isn't implemented well.\nFix the error code of return to mark the ACPI SAR table as invalid.\n\n[    5.077128] mt7921e 0000:06:00.0: sar cnt = 0\n[    5.077381] BUG: kernel NULL pointer dereference, address:\n0000000000000004\n[    5.077630] #PF: supervisor read access in kernel mode\n[    5.077883] #PF: error_code(0x0000) - not-present page\n[    5.078138] PGD 0 P4D 0\n[    5.078398] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[    5.079202] RIP: 0010:mt7921_init_acpi_sar+0x106/0x220\n[mt7921_common]\n...\n[    5.080786] Call Trace:\n[    5.080786]  \u003cTASK\u003e\n[    5.080786]  mt7921_register_device+0x37d/0x490 [mt7921_common]\n[    5.080786]  mt7921_pci_probe.part.0+0x2ee/0x310 [mt7921e]\n[    5.080786]  mt7921_pci_probe+0x52/0x70 [mt7921e]\n[    5.080786]  local_pci_probe+0x47/0x90\n[    5.080786]  pci_call_probe+0x55/0x190\n[    5.080786]  pci_device_probe+0x84/0x120","modified":"2026-04-02T09:44:56.214549Z","published":"2025-10-22T13:23:45.785Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53710.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2a9a5f88e0da71c8e4f30aacbda45b1a1af5469d"},{"type":"WEB","url":"https://git.kernel.org/stable/c/59c2b0aec7a5aa350aa3edfb4363b19348c2269f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/888d89034f9eaeab9b5b75f13dbe35376c7dd471"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53710.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53710"},{"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":"f965333e491e36adb0fa91e389fba8685b704fb6"},{"fixed":"2a9a5f88e0da71c8e4f30aacbda45b1a1af5469d"},{"fixed":"59c2b0aec7a5aa350aa3edfb4363b19348c2269f"},{"fixed":"888d89034f9eaeab9b5b75f13dbe35376c7dd471"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53710.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.0.0"},{"fixed":"6.1.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.2.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53710.json"}}],"schema_version":"1.7.5"}