cve-2021-47087
Vulnerability from cvelistv5
Published
2024-03-04 18:10
Modified
2024-11-04 11:59
Severity ?
EPSS score ?
Summary
tee: optee: Fix incorrect page free bug
References
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2021-47087",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-03-06T20:26:26.296406Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-06-04T17:13:35.356Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-04T05:24:39.851Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/806142c805cacd098e61bdc0f72c778a2389fe4a"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/ad338d825e3f7b96ee542bf313728af2d19fe9ad"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/91e94e42f6fc49635f1a16d8ae3f79552bcfda29"
},
{
"tags": [
"x_transferred"
],
"url": "https://git.kernel.org/stable/c/18549bf4b21c739a9def39f27dcac53e27286ab5"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/tee/optee/core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "806142c805ca",
"status": "affected",
"version": "3c712f14d8a9",
"versionType": "git"
},
{
"lessThan": "ad338d825e3f",
"status": "affected",
"version": "1340dc3fb75e",
"versionType": "git"
},
{
"lessThan": "91e94e42f6fc",
"status": "affected",
"version": "ec185dd3ab25",
"versionType": "git"
},
{
"lessThan": "18549bf4b21c",
"status": "affected",
"version": "ec185dd3ab25",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/tee/optee/core.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.14"
},
{
"lessThan": "5.14",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.4.*",
"status": "unaffected",
"version": "5.4.169",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.89",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.12",
"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\ntee: optee: Fix incorrect page free bug\n\nPointer to the allocated pages (struct page *page) has already\nprogressed towards the end of allocation. It is incorrect to perform\n__free_pages(page, order) using this pointer as we would free any\narbitrary pages. Fix this by stop modifying the page pointer."
}
],
"providerMetadata": {
"dateUpdated": "2024-11-04T11:59:09.155Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/806142c805cacd098e61bdc0f72c778a2389fe4a"
},
{
"url": "https://git.kernel.org/stable/c/ad338d825e3f7b96ee542bf313728af2d19fe9ad"
},
{
"url": "https://git.kernel.org/stable/c/91e94e42f6fc49635f1a16d8ae3f79552bcfda29"
},
{
"url": "https://git.kernel.org/stable/c/18549bf4b21c739a9def39f27dcac53e27286ab5"
}
],
"title": "tee: optee: Fix incorrect page free bug",
"x_generator": {
"engine": "bippy-9e1c9544281a"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2021-47087",
"datePublished": "2024-03-04T18:10:17.107Z",
"dateReserved": "2024-02-29T22:33:44.299Z",
"dateUpdated": "2024-11-04T11:59:09.155Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2021-47087\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-03-04T18:15:07.457\",\"lastModified\":\"2024-03-05T13:41:01.900\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntee: optee: Fix incorrect page free bug\\n\\nPointer to the allocated pages (struct page *page) has already\\nprogressed towards the end of allocation. It is incorrect to perform\\n__free_pages(page, order) using this pointer as we would free any\\narbitrary pages. Fix this by stop modifying the page pointer.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: tee: optee: corrige el error de liberaci\u00f3n de p\u00e1gina incorrecta. El puntero a las p\u00e1ginas asignadas (p\u00e1gina de estructura *p\u00e1gina) ya ha avanzado hacia el final de la asignaci\u00f3n. Es incorrecto ejecutar __free_pages(page, order) usando este puntero ya que liberar\u00edamos p\u00e1ginas arbitrarias. Solucione este problema dejando de modificar el puntero de la p\u00e1gina.\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/18549bf4b21c739a9def39f27dcac53e27286ab5\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/806142c805cacd098e61bdc0f72c778a2389fe4a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/91e94e42f6fc49635f1a16d8ae3f79552bcfda29\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ad338d825e3f7b96ee542bf313728af2d19fe9ad\",\"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.