cve-2021-47521
Vulnerability from cvelistv5
Published
2024-05-24 15:09
Modified
2024-11-04 12:07
Severity ?
EPSS score ?
Summary
can: sja1000: fix use after free in ems_pcmcia_add_card()
References
{ "containers": { "adp": [ { "metrics": [ { "other": { "content": { "id": "CVE-2021-47521", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "timestamp": "2024-05-29T16:55:46.664460Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-06-04T17:14:06.426Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" }, { "providerMetadata": { "dateUpdated": "2024-08-04T05:39:59.801Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "drivers/net/can/sja1000/ems_pcmcia.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "cbd86110546f", "status": "affected", "version": "fd734c6f25ae", "versionType": "git" }, { "lessThan": "1dd5b819f7e4", "status": "affected", "version": "fd734c6f25ae", "versionType": "git" }, { "lessThan": "c8718026ba28", "status": "affected", "version": "fd734c6f25ae", "versionType": "git" }, { "lessThan": "ccf070183e46", "status": "affected", "version": "fd734c6f25ae", "versionType": "git" }, { "lessThan": "1a295fea90e1", "status": "affected", "version": "fd734c6f25ae", "versionType": "git" }, { "lessThan": "923f4dc5df67", "status": "affected", "version": "fd734c6f25ae", "versionType": "git" }, { "lessThan": "474f9a8534f5", "status": "affected", "version": "fd734c6f25ae", "versionType": "git" }, { "lessThan": "3ec6ca6b1a8e", "status": "affected", "version": "fd734c6f25ae", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "drivers/net/can/sja1000/ems_pcmcia.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "3.2" }, { "lessThan": "3.2", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "4.4.*", "status": "unaffected", "version": "4.4.295", "versionType": "semver" }, { "lessThanOrEqual": "4.9.*", "status": "unaffected", "version": "4.9.293", "versionType": "semver" }, { "lessThanOrEqual": "4.14.*", "status": "unaffected", "version": "4.14.258", "versionType": "semver" }, { "lessThanOrEqual": "4.19.*", "status": "unaffected", "version": "4.19.221", "versionType": "semver" }, { "lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.165", "versionType": "semver" }, { "lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.85", "versionType": "semver" }, { "lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.8", "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\ncan: sja1000: fix use after free in ems_pcmcia_add_card()\n\nIf the last channel is not available then \"dev\" is freed. Fortunately,\nwe can just use \"pdev-\u003eirq\" instead.\n\nAlso we should check if at least one channel was set up." } ], "providerMetadata": { "dateUpdated": "2024-11-04T12:07:32.380Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/cbd86110546f7f730a1f5d7de56c944a336c15c4" }, { "url": "https://git.kernel.org/stable/c/1dd5b819f7e406dc15bbc7670596ff25261aaa2a" }, { "url": "https://git.kernel.org/stable/c/c8718026ba287168ff9ad0ccc4f9a413062cba36" }, { "url": "https://git.kernel.org/stable/c/ccf070183e4655824936c0f96c4a2bcca93419aa" }, { "url": "https://git.kernel.org/stable/c/1a295fea90e1acbe80c6d4940f5ff856edcd6bec" }, { "url": "https://git.kernel.org/stable/c/923f4dc5df679f678e121c20bf2fd70f7bf3e288" }, { "url": "https://git.kernel.org/stable/c/474f9a8534f5f89841240a7e978bafd6e1e039ce" }, { "url": "https://git.kernel.org/stable/c/3ec6ca6b1a8e64389f0212b5a1b0f6fed1909e45" } ], "title": "can: sja1000: fix use after free in ems_pcmcia_add_card()", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2021-47521", "datePublished": "2024-05-24T15:09:34.457Z", "dateReserved": "2024-05-24T15:02:54.825Z", "dateUpdated": "2024-11-04T12:07:32.380Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2021-47521\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:14.203\",\"lastModified\":\"2024-06-10T18:41:35.017\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ncan: sja1000: fix use after free in ems_pcmcia_add_card()\\n\\nIf the last channel is not available then \\\"dev\\\" is freed. 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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
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