{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-48942", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-08-22T01:27:53.623Z", "datePublished": "2024-08-22T03:30:12.812Z", "dateUpdated": "2026-05-11T18:50:08.116Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:50:08.116Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nhwmon: Handle failure to register sensor with thermal zone correctly\n\nIf an attempt is made to a sensor with a thermal zone and it fails,\nthe call to devm_thermal_zone_of_sensor_register() may return -ENODEV.\nThis may result in crashes similar to the following.\n\nUnable to handle kernel NULL pointer dereference at virtual address 00000000000003cd\n...\nInternal error: Oops: 96000021 [#1] PREEMPT SMP\n...\npstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : mutex_lock+0x18/0x60\nlr : thermal_zone_device_update+0x40/0x2e0\nsp : ffff800014c4fc60\nx29: ffff800014c4fc60 x28: ffff365ee3f6e000 x27: ffffdde218426790\nx26: ffff365ee3f6e000 x25: 0000000000000000 x24: ffff365ee3f6e000\nx23: ffffdde218426870 x22: ffff365ee3f6e000 x21: 00000000000003cd\nx20: ffff365ee8bf3308 x19: ffffffffffffffed x18: 0000000000000000\nx17: ffffdde21842689c x16: ffffdde1cb7a0b7c x15: 0000000000000040\nx14: ffffdde21a4889a0 x13: 0000000000000228 x12: 0000000000000000\nx11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000\nx8 : 0000000001120000 x7 : 0000000000000001 x6 : 0000000000000000\nx5 : 0068000878e20f07 x4 : 0000000000000000 x3 : 00000000000003cd\nx2 : ffff365ee3f6e000 x1 : 0000000000000000 x0 : 00000000000003cd\nCall trace:\n mutex_lock+0x18/0x60\n hwmon_notify_event+0xfc/0x110\n 0xffffdde1cb7a0a90\n 0xffffdde1cb7a0b7c\n irq_thread_fn+0x2c/0xa0\n irq_thread+0x134/0x240\n kthread+0x178/0x190\n ret_from_fork+0x10/0x20\nCode: d503201f d503201f d2800001 aa0103e4 (c8e47c02)\n\nJon Hunter reports that the exact call sequence is:\n\nhwmon_notify_event()\n --> hwmon_thermal_notify()\n --> thermal_zone_device_update()\n --> update_temperature()\n --> mutex_lock()\n\nThe hwmon core needs to handle all errors returned from calls\nto devm_thermal_zone_of_sensor_register(). If the call fails\nwith -ENODEV, report that the sensor was not attached to a\nthermal zone but continue to register the hwmon device." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/hwmon/hwmon.c" ], "versions": [ { "version": "1597b374af22266266e1e20612208c4b11359ad4", "lessThan": "962b2a3188bfa5388756ffbc47dfa5ff59cb8011", "status": "affected", "versionType": "git" }, { "version": "1597b374af22266266e1e20612208c4b11359ad4", "lessThan": "7efe8499cb90651c540753f4269d2d43ede14223", "status": "affected", "versionType": "git" }, { "version": "1597b374af22266266e1e20612208c4b11359ad4", "lessThan": "8a1969e14ad93663f9a3ed02ccc2138da9956a0e", "status": "affected", "versionType": "git" }, { "version": "1597b374af22266266e1e20612208c4b11359ad4", "lessThan": "1b5f517cca36292076d9e38fa6e33a257703e62e", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/hwmon/hwmon.c" ], "versions": [ { "version": "5.8", "status": "affected" }, { "version": "0", "lessThan": "5.8", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.103", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.26", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.12", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.10.103" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.15.26" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.16.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.17" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/962b2a3188bfa5388756ffbc47dfa5ff59cb8011" }, { "url": "https://git.kernel.org/stable/c/7efe8499cb90651c540753f4269d2d43ede14223" }, { "url": "https://git.kernel.org/stable/c/8a1969e14ad93663f9a3ed02ccc2138da9956a0e" }, { "url": "https://git.kernel.org/stable/c/1b5f517cca36292076d9e38fa6e33a257703e62e" } ], "title": "hwmon: Handle failure to register sensor with thermal zone correctly", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2022-48942", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T15:33:12.509402Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-12T17:33:10.867Z" } } ] } }