CVE-2021-29266
Vulnerability from cvelistv5
Published
2021-03-26 21:35
Modified
2024-08-03 22:02
Severity ?
EPSS score ?
Summary
An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.
References
▼ | URL | Tags | |
---|---|---|---|
cve@mitre.org | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9 | Release Notes, Vendor Advisory | |
cve@mitre.org | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9 | Patch, Vendor Advisory | |
cve@mitre.org | https://security.netapp.com/advisory/ntap-20210513-0005/ | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9 | Release Notes, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9 | Patch, Vendor Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://security.netapp.com/advisory/ntap-20210513-0005/ | Third Party Advisory |
{ containers: { adp: [ { providerMetadata: { dateUpdated: "2024-08-03T22:02:51.477Z", orgId: "af854a3a-2127-422b-91ae-364da2661108", shortName: "CVE", }, references: [ { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9", }, { tags: [ "x_refsource_MISC", "x_transferred", ], url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9", }, { tags: [ "x_refsource_CONFIRM", "x_transferred", ], url: "https://security.netapp.com/advisory/ntap-20210513-0005/", }, ], title: "CVE Program Container", }, ], cna: { affected: [ { product: "n/a", vendor: "n/a", versions: [ { status: "affected", version: "n/a", }, ], }, ], descriptions: [ { lang: "en", value: "An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.", }, ], problemTypes: [ { descriptions: [ { description: "n/a", lang: "en", type: "text", }, ], }, ], providerMetadata: { dateUpdated: "2021-05-13T20:06:11", orgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca", shortName: "mitre", }, references: [ { tags: [ "x_refsource_MISC", ], url: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9", }, { tags: [ "x_refsource_MISC", ], url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9", }, { tags: [ "x_refsource_CONFIRM", ], url: "https://security.netapp.com/advisory/ntap-20210513-0005/", }, ], x_legacyV4Record: { CVE_data_meta: { ASSIGNER: "cve@mitre.org", ID: "CVE-2021-29266", STATE: "PUBLIC", }, affects: { vendor: { vendor_data: [ { product: { product_data: [ { product_name: "n/a", version: { version_data: [ { version_value: "n/a", }, ], }, }, ], }, vendor_name: "n/a", }, ], }, }, data_format: "MITRE", data_type: "CVE", data_version: "4.0", description: { description_data: [ { lang: "eng", value: "An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.", }, ], }, problemtype: { problemtype_data: [ { description: [ { lang: "eng", value: "n/a", }, ], }, ], }, references: { reference_data: [ { name: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9", refsource: "MISC", url: "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9", }, { name: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9", refsource: "MISC", url: "https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9", }, { name: "https://security.netapp.com/advisory/ntap-20210513-0005/", refsource: "CONFIRM", url: "https://security.netapp.com/advisory/ntap-20210513-0005/", }, ], }, }, }, }, cveMetadata: { assignerOrgId: "8254265b-2729-46b6-b9e3-3dfca2d5bfca", assignerShortName: "mitre", cveId: "CVE-2021-29266", datePublished: "2021-03-26T21:35:17", dateReserved: "2021-03-26T00:00:00", dateUpdated: "2024-08-03T22:02:51.477Z", state: "PUBLISHED", }, dataType: "CVE_RECORD", dataVersion: "5.1", "vulnerability-lookup:meta": { nvd: "{\"cve\":{\"id\":\"CVE-2021-29266\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2021-03-26T22:15:13.147\",\"lastModified\":\"2024-11-21T06:00:54.847\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"An issue was discovered in the Linux kernel before 5.11.9. drivers/vhost/vdpa.c has a use-after-free because v->config_ctx has an invalid value upon re-opening a character device, aka CID-f6bbf0010ba0.\"},{\"lang\":\"es\",\"value\":\"Se detectó un problema en el kernel de Linux versiones anteriores a 5.11.9. El archivo drivers/vhost/vdpa.c presenta un uso de la memoria previamente liberada porque v-) config_ctx presenta un valor no válido al volver a abrir un dispositivo de caracteres, también se conoce como CID-f6bbf0010ba0.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:L/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":7.2,\"accessVector\":\"LOCAL\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":3.9,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.8\",\"versionEndExcluding\":\"5.10.26\",\"matchCriteriaId\":\"FB681D75-286D-4569-ACB3-EE473CCC93F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.11.9\",\"matchCriteriaId\":\"C9AC2D4F-D052-400B-A640-77F3D1B04F5D\"}]}]}],\"references\":[{\"url\":\"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9\",\"source\":\"cve@mitre.org\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210513-0005/\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Release Notes\",\"Vendor Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=f6bbf0010ba004f5e90c7aefdebc0ee4bd3283b9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.netapp.com/advisory/ntap-20210513-0005/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}", }, }
Log in or create an account to share your comment.
Security Advisory comment format.
This schema specifies the format of a comment related to a security advisory.
Title of the comment
Description of the comment
Loading…
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.