cve-2021-47202
Vulnerability from cvelistv5
Published
2024-04-10 18:56
Modified
2024-11-04 12:01
Severity ?
EPSS score ?
Summary
thermal: Fix NULL pointer dereferences in of_thermal_ functions
References
Impacted products
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-04T05:32:07.362Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/828f4c31684da94ecf0b44a2cbd35bbede04f0bd"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/6a315471cb6a07f651e1d3adc8962730f4fcccac"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/0750f769b95841b34a9fe8c418dd792ff526bf86"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/ef2590a5305e0b8e9342f84c2214aa478ee7f28e"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/96cfe05051fd8543cdedd6807ec59a0e6c409195"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-47202",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-10T15:49:58.504831Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-11T17:33:37.039Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/thermal/thermal_of.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "828f4c31684d",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "6a315471cb6a",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "0750f769b958",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "ef2590a5305e",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
},
{
"lessThan": "96cfe05051fd",
"status": "affected",
"version": "1da177e4c3f4",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/thermal/thermal_of.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.210",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.81",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.14.*",
"status": "unaffected",
"version": "5.14.21",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.4",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.16",
"versionType": "original_commit_for_fix"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nthermal: Fix NULL pointer dereferences in of_thermal_ functions\n\nof_parse_thermal_zones() parses the thermal-zones node and registers a\nthermal_zone device for each subnode. However, if a thermal zone is\nconsuming a thermal sensor and that thermal sensor device hasn\u0027t probed\nyet, an attempt to set trip_point_*_temp for that thermal zone device\ncan cause a NULL pointer dereference. Fix it.\n\n console:/sys/class/thermal/thermal_zone87 # echo 120000 \u003e trip_point_0_temp\n ...\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020\n ...\n Call trace:\n of_thermal_set_trip_temp+0x40/0xc4\n trip_point_temp_store+0xc0/0x1dc\n dev_attr_store+0x38/0x88\n sysfs_kf_write+0x64/0xc0\n kernfs_fop_write_iter+0x108/0x1d0\n vfs_write+0x2f4/0x368\n ksys_write+0x7c/0xec\n __arm64_sys_write+0x20/0x30\n el0_svc_common.llvm.7279915941325364641+0xbc/0x1bc\n do_el0_svc+0x28/0xa0\n el0_svc+0x14/0x24\n el0_sync_handler+0x88/0xec\n el0_sync+0x1c0/0x200\n\nWhile at it, fix the possible NULL pointer dereference in other\nfunctions as well: of_thermal_get_temp(), of_thermal_set_emul_temp(),\nof_thermal_get_trend()."
}
],
"providerMetadata": {
"dateUpdated": "2024-11-04T12:01:26.488Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/828f4c31684da94ecf0b44a2cbd35bbede04f0bd"
},
{
"url": "https://git.kernel.org/stable/c/6a315471cb6a07f651e1d3adc8962730f4fcccac"
},
{
"url": "https://git.kernel.org/stable/c/0750f769b95841b34a9fe8c418dd792ff526bf86"
},
{
"url": "https://git.kernel.org/stable/c/ef2590a5305e0b8e9342f84c2214aa478ee7f28e"
},
{
"url": "https://git.kernel.org/stable/c/96cfe05051fd8543cdedd6807ec59a0e6c409195"
}
],
"title": "thermal: Fix NULL pointer dereferences in of_thermal_ functions",
"x_generator": {
"engine": "bippy-9e1c9544281a"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2021-47202",
"datePublished": "2024-04-10T18:56:36.408Z",
"dateReserved": "2024-03-25T09:12:14.117Z",
"dateUpdated": "2024-11-04T12:01:26.488Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-47202\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-10T19:15:48.167\",\"lastModified\":\"2024-04-10T19:49:51.183\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nthermal: Fix NULL pointer dereferences in of_thermal_ functions\\n\\nof_parse_thermal_zones() parses the thermal-zones node and registers a\\nthermal_zone device for each subnode. However, if a thermal zone is\\nconsuming a thermal sensor and that thermal sensor device hasn\u0027t probed\\nyet, an attempt to set trip_point_*_temp for that thermal zone device\\ncan cause a NULL pointer dereference. Fix it.\\n\\n console:/sys/class/thermal/thermal_zone87 # echo 120000 \u003e trip_point_0_temp\\n ...\\n Unable to handle kernel NULL pointer dereference at virtual address 0000000000000020\\n ...\\n Call trace:\\n of_thermal_set_trip_temp+0x40/0xc4\\n trip_point_temp_store+0xc0/0x1dc\\n dev_attr_store+0x38/0x88\\n sysfs_kf_write+0x64/0xc0\\n kernfs_fop_write_iter+0x108/0x1d0\\n vfs_write+0x2f4/0x368\\n ksys_write+0x7c/0xec\\n __arm64_sys_write+0x20/0x30\\n el0_svc_common.llvm.7279915941325364641+0xbc/0x1bc\\n do_el0_svc+0x28/0xa0\\n el0_svc+0x14/0x24\\n el0_sync_handler+0x88/0xec\\n el0_sync+0x1c0/0x200\\n\\nWhile at it, fix the possible NULL pointer dereference in other\\nfunctions as well: of_thermal_get_temp(), of_thermal_set_emul_temp(),\\nof_thermal_get_trend().\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/0750f769b95841b34a9fe8c418dd792ff526bf86\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/6a315471cb6a07f651e1d3adc8962730f4fcccac\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/828f4c31684da94ecf0b44a2cbd35bbede04f0bd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/96cfe05051fd8543cdedd6807ec59a0e6c409195\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ef2590a5305e0b8e9342f84c2214aa478ee7f28e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.