{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2021-47021", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.954Z", "datePublished": "2024-02-28T08:13:34.591Z", "dateUpdated": "2026-05-23T15:19:06.207Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:19:06.207Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7915: fix memleak when mt7915_unregister_device()\n\nmt7915_tx_token_put() should get call before mt76_free_pending_txwi()." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/mediatek/mt76/mt7915/init.c" ], "versions": [ { "version": "4e9e896f81932e337a93ad61cd3d9647571c4637", "lessThan": "81483309ce861a9fa7835322787f68a443fea364", "status": "affected", "versionType": "git" }, { "version": "f285dfb98562e8380101095d168910df1d07d8be", "lessThan": "d754c80ae82a662e692a82faad71b8c218cb7f52", "status": "affected", "versionType": "git" }, { "version": "f285dfb98562e8380101095d168910df1d07d8be", "lessThan": "e9d32af478cfc3744a45245c0b126738af4b3ac4", "status": "affected", "versionType": "git" }, { "version": "5.11.4", "lessThan": "5.11.21", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/mediatek/mt76/mt7915/init.c" ], "versions": [ { "version": "5.12", "status": "affected" }, { "version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver" }, { "version": "5.11.21", "lessThanOrEqual": "5.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.12.4", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.11.4", "versionEndExcluding": "5.11.21" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.12.4" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "5.13" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364" }, { "url": "https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52" }, { "url": "https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4" } ], "title": "mt76: mt7915: fix memleak when mt7915_unregister_device()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2021-47021", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-02-28T20:52:21.068876Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:14:44.715Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.791Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/81483309ce861a9fa7835322787f68a443fea364", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/d754c80ae82a662e692a82faad71b8c218cb7f52", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/e9d32af478cfc3744a45245c0b126738af4b3ac4", "tags": [ "x_transferred" ] } ] } ] } }