{"id":"CVE-2023-53710","state":"PUBLISHED","title":"wifi: mt76: mt7921: fix error code of return in mt7921_acpi_read","description":"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]  <TASK>\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","publishedAt":"2025-10-22T13:23:45.785Z","updatedAt":"2026-05-11T19:50:21.634Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f965333e491e36adb0fa91e389fba8685b704fb6","status":"affected","lessThan":"2a9a5f88e0da71c8e4f30aacbda45b1a1af5469d","versionType":"git"},{"version":"f965333e491e36adb0fa91e389fba8685b704fb6","status":"affected","lessThan":"59c2b0aec7a5aa350aa3edfb4363b19348c2269f","versionType":"git"},{"version":"f965333e491e36adb0fa91e389fba8685b704fb6","status":"affected","lessThan":"888d89034f9eaeab9b5b75f13dbe35376c7dd471","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7921/acpi_sar.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7921/acpi_sar.c"]}],"references":["https://git.kernel.org/stable/c/2a9a5f88e0da71c8e4f30aacbda45b1a1af5469d","https://git.kernel.org/stable/c/59c2b0aec7a5aa350aa3edfb4363b19348c2269f","https://git.kernel.org/stable/c/888d89034f9eaeab9b5b75f13dbe35376c7dd471"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53710.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53710","state":"PUBLISHED","datePublished":"2025-10-22T13:23:45.785Z","dateUpdated":"2026-05-11T19:50:21.634Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-22T13:21:37.346Z"},"containers":{"cna":{"title":"wifi: mt76: mt7921: fix error code of return in mt7921_acpi_read","descriptions":[{"lang":"en","value":"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]  <TASK>\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"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"f965333e491e36adb0fa91e389fba8685b704fb6","status":"affected","lessThan":"2a9a5f88e0da71c8e4f30aacbda45b1a1af5469d","versionType":"git"},{"version":"f965333e491e36adb0fa91e389fba8685b704fb6","status":"affected","lessThan":"59c2b0aec7a5aa350aa3edfb4363b19348c2269f","versionType":"git"},{"version":"f965333e491e36adb0fa91e389fba8685b704fb6","status":"affected","lessThan":"888d89034f9eaeab9b5b75f13dbe35376c7dd471","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7921/acpi_sar.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.0","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7921/acpi_sar.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/2a9a5f88e0da71c8e4f30aacbda45b1a1af5469d"},{"url":"https://git.kernel.org/stable/c/59c2b0aec7a5aa350aa3edfb4363b19348c2269f"},{"url":"https://git.kernel.org/stable/c/888d89034f9eaeab9b5b75f13dbe35376c7dd471"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:50:21.634Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.0","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}