CVE-2021-47485 - Vulnerability Details - OpenCVE

ReportizFlow

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact partial

No data.

No data.

No data.

References

Link	Providers
https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952
https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724
https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad
https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d
https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42
https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0
https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780
https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be
https://lore.kernel.org/linux-cve-announce/2024052239-CVE-2021-47485-4584@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2021-47485
https://www.cve.org/CVERecord?id=CVE-2021-47485

History

Mon, 04 Nov 2024 12:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

MITRE

Status: PUBLISHED

Assigner: Linux

Published: 2024-05-22T08:19:36.158Z

Updated: 2024-12-19T07:43:24.510Z

Reserved: 2024-05-22T06:20:56.201Z

Link: CVE-2021-47485

Vulnrichment

Updated: 2024-08-04T05:39:59.745Z

NVD

Status : Awaiting Analysis

Published: 2024-05-22T09:15:10.503

Modified: 2024-11-21T06:36:18.370

Link: CVE-2021-47485

Redhat

Severity : Low

Publid Date: 2024-05-22T00:00:00Z

Links: CVE-2021-47485 - Bugzilla

{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2021-47485", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-22T06:20:56.201Z", "datePublished": "2024-05-22T08:19:36.158Z", "dateUpdated": "2024-12-19T07:43:24.510Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-12-19T07:43:24.510Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields\n\nOverflowing either addrlimit or bytes_togo can allow userspace to trigger\na buffer overflow of kernel memory. Check for overflows in all the places\ndoing math on user controlled buffers."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/infiniband/hw/qib/qib_user_sdma.c"], "versions": [{"version": "f931551bafe1f10ded7f5282e2aa162c267a2e5d", "lessThan": "bda41654b6e0c125a624ca35d6d20beb8015b5d0", "status": "affected", "versionType": "git"}, {"version": "f931551bafe1f10ded7f5282e2aa162c267a2e5d", "lessThan": "3f57c3f67fd93b4da86aeffea1ca32c484d054ad", "status": "affected", "versionType": "git"}, {"version": "f931551bafe1f10ded7f5282e2aa162c267a2e5d", "lessThan": "60833707b968d5ae02a75edb7886dcd4a957cf0d", "status": "affected", "versionType": "git"}, {"version": "f931551bafe1f10ded7f5282e2aa162c267a2e5d", "lessThan": "73d2892148aa4397a885b4f4afcfc5b27a325c42", "status": "affected", "versionType": "git"}, {"version": "f931551bafe1f10ded7f5282e2aa162c267a2e5d", "lessThan": "0f8cdfff06829a0b0348b6debc29ff6a61967724", "status": "affected", "versionType": "git"}, {"version": "f931551bafe1f10ded7f5282e2aa162c267a2e5d", "lessThan": "c3e17e58f571f34c51aeb17274ed02c2ed5cf780", "status": "affected", "versionType": "git"}, {"version": "f931551bafe1f10ded7f5282e2aa162c267a2e5d", "lessThan": "0d4395477741608d123dad51def9fe50b7ebe952", "status": "affected", "versionType": "git"}, {"version": "f931551bafe1f10ded7f5282e2aa162c267a2e5d", "lessThan": "d39bf40e55e666b5905fdbd46a0dced030ce87be", "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/infiniband/hw/qib/qib_user_sdma.c"], "versions": [{"version": "2.6.35", "status": "affected"}, {"version": "0", "lessThan": "2.6.35", "status": "unaffected", "versionType": "semver"}, {"version": "4.4.292", "lessThanOrEqual": "4.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.290", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.255", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.216", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.157", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.77", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.14.16", "lessThanOrEqual": "5.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "references": [{"url": "https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0"}, {"url": "https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad"}, {"url": "https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d"}, {"url": "https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42"}, {"url": "https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724"}, {"url": "https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780"}, {"url": "https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952"}, {"url": "https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be"}], "title": "IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields", "x_generator": {"engine": "bippy-5f407fcff5a0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47485", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-22T18:45:08.968768Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:14:26.389Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.745Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be", "tags": ["x_transferred"]}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.745Z"}}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47485", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-22T18:45:08.968768Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-05-22T18:45:18.857Z"}, "title": "CISA ADP Vulnrichment"}], "cna": {"title": "IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "f931551bafe1", "lessThan": "bda41654b6e0", "versionType": "git"}, {"status": "affected", "version": "f931551bafe1", "lessThan": "3f57c3f67fd9", "versionType": "git"}, {"status": "affected", "version": "f931551bafe1", "lessThan": "60833707b968", "versionType": "git"}, {"status": "affected", "version": "f931551bafe1", "lessThan": "73d2892148aa", "versionType": "git"}, {"status": "affected", "version": "f931551bafe1", "lessThan": "0f8cdfff0682", "versionType": "git"}, {"status": "affected", "version": "f931551bafe1", "lessThan": "c3e17e58f571", "versionType": "git"}, {"status": "affected", "version": "f931551bafe1", "lessThan": "0d4395477741", "versionType": "git"}, {"status": "affected", "version": "f931551bafe1", "lessThan": "d39bf40e55e6", "versionType": "git"}], "programFiles": ["drivers/infiniband/hw/qib/qib_user_sdma.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "2.6.35"}, {"status": "unaffected", "version": "0", "lessThan": "2.6.35", "versionType": "semver"}, {"status": "unaffected", "version": "4.4.292", "versionType": "semver", "lessThanOrEqual": "4.4.*"}, {"status": "unaffected", "version": "4.9.290", "versionType": "semver", "lessThanOrEqual": "4.9.*"}, {"status": "unaffected", "version": "4.14.255", "versionType": "semver", "lessThanOrEqual": "4.14.*"}, {"status": "unaffected", "version": "4.19.216", "versionType": "semver", "lessThanOrEqual": "4.19.*"}, {"status": "unaffected", "version": "5.4.157", "versionType": "semver", "lessThanOrEqual": "5.4.*"}, {"status": "unaffected", "version": "5.10.77", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.14.16", "versionType": "semver", "lessThanOrEqual": "5.14.*"}, {"status": "unaffected", "version": "5.15", "versionType": "semver", "lessThanOrEqual": "*"}], "programFiles": ["drivers/infiniband/hw/qib/qib_user_sdma.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0"}, {"url": "https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad"}, {"url": "https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d"}, {"url": "https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42"}, {"url": "https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724"}, {"url": "https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780"}, {"url": "https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952"}, {"url": "https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be"}], "x_generator": {"engine": "bippy-c8e10e5f6187"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields\n\nOverflowing either addrlimit or bytes_togo can allow userspace to trigger\na buffer overflow of kernel memory. Check for overflows in all the places\ndoing math on user controlled buffers."}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2024-11-04T11:42:13.161Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47485", "state": "PUBLISHED", "dateUpdated": "2024-11-04T11:42:13.161Z", "dateReserved": "2024-05-22T06:20:56.201Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-05-22T08:19:36.158Z", "assignerShortName": "Linux"}, "dataVersion": "5.1"}

{"descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nIB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields\n\nOverflowing either addrlimit or bytes_togo can allow userspace to trigger\na buffer overflow of kernel memory. Check for overflows in all the places\ndoing math on user controlled buffers."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: IB/qib: Protege contra el desbordamiento del b\u00fafer en los campos de struct qib_user_sdma_pkt. El desbordamiento de addrlimit o bytes_togo puede permitir que el espacio de usuario desencadene un desbordamiento del b\u00fafer de la memoria del kernel. Compruebe si hay desbordamientos en todos los lugares que realizan c\u00e1lculos en b\u00faferes controlados por el usuario."}], "id": "CVE-2021-47485", "lastModified": "2024-11-21T06:36:18.370", "metrics": {}, "published": "2024-05-22T09:15:10.503", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/0d4395477741608d123dad51def9fe50b7ebe952"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/0f8cdfff06829a0b0348b6debc29ff6a61967724"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/3f57c3f67fd93b4da86aeffea1ca32c484d054ad"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/60833707b968d5ae02a75edb7886dcd4a957cf0d"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/73d2892148aa4397a885b4f4afcfc5b27a325c42"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/bda41654b6e0c125a624ca35d6d20beb8015b5d0"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/c3e17e58f571f34c51aeb17274ed02c2ed5cf780"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://git.kernel.org/stable/c/d39bf40e55e666b5905fdbd46a0dced030ce87be"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}