{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-47028", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-27T18:42:55.961Z", "datePublished": "2024-02-28T08:13:39.004Z", "dateUpdated": "2026-05-11T13:46:33.696Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:46:33.696Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7915: fix txrate reporting\n\nProperly check rate_info to fix unexpected reporting.\n\n[ 1215.161863] Call trace:\n[ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211]\n[ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [mac80211]\n[ 1215.175624] ieee80211_tx_status_ext+0x508/0x838 [mac80211]\n[ 1215.181190] mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e]\n[ 1215.186580] mt7915_mac_tx_free+0x324/0x7c0 [mt7915e]\n[ 1215.191623] mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e]\n[ 1215.196582] mt76_dma_cleanup+0x7b0/0x11d0 [mt76]\n[ 1215.201276] __napi_poll+0x38/0xf8\n[ 1215.204668] napi_workfn+0x40/0x80\n[ 1215.208062] process_one_work+0x1fc/0x390\n[ 1215.212062] worker_thread+0x48/0x4d0\n[ 1215.215715] kthread+0x120/0x128\n[ 1215.218935] ret_from_fork+0x10/0x1c"}], "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/mcu.c"], "versions": [{"version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da", "status": "affected", "versionType": "git"}, {"version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "4bd926e5ca88eac4d95eacb806b229f8729bc62e", "status": "affected", "versionType": "git"}, {"version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "f43b941fd61003659a3f0e039595e5e525917aa8", "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/net/wireless/mediatek/mt76/mt7915/mcu.c"], "versions": [{"version": "5.8", "status": "affected"}, {"version": "0", "lessThan": "5.8", "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": "5.8", "versionEndExcluding": "5.11.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.12.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.8", "versionEndExcluding": "5.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da"}, {"url": "https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e"}, {"url": "https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8"}], "title": "mt76: mt7915: fix txrate reporting", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.908Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47028", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:58:03.010297Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:24.251Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:24:39.908Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47028", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-09-10T15:58:03.010297Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T12:42:16.523Z"}}], "cna": {"title": "mt76: mt7915: fix txrate reporting", "affected": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da", "versionType": "git"}, {"status": "affected", "version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "4bd926e5ca88eac4d95eacb806b229f8729bc62e", "versionType": "git"}, {"status": "affected", "version": "e57b7901469fc0b021930b83a8094baaf3d81b09", "lessThan": "f43b941fd61003659a3f0e039595e5e525917aa8", "versionType": "git"}], "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7915/mcu.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "5.8"}, {"status": "unaffected", "version": "0", "lessThan": "5.8", "versionType": "semver"}, {"status": "unaffected", "version": "5.11.21", "versionType": "semver", "lessThanOrEqual": "5.11.*"}, {"status": "unaffected", "version": "5.12.4", "versionType": "semver", "lessThanOrEqual": "5.12.*"}, {"status": "unaffected", "version": "5.13", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7915/mcu.c"], "defaultStatus": "affected"}], "references": [{"url": "https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da"}, {"url": "https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e"}, {"url": "https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8"}], "x_generator": {"engine": "bippy-1.2.0"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7915: fix txrate reporting\n\nProperly check rate_info to fix unexpected reporting.\n\n[ 1215.161863] Call trace:\n[ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211]\n[ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [mac80211]\n[ 1215.175624] ieee80211_tx_status_ext+0x508/0x838 [mac80211]\n[ 1215.181190] mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e]\n[ 1215.186580] mt7915_mac_tx_free+0x324/0x7c0 [mt7915e]\n[ 1215.191623] mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e]\n[ 1215.196582] mt76_dma_cleanup+0x7b0/0x11d0 [mt76]\n[ 1215.201276] __napi_poll+0x38/0xf8\n[ 1215.204668] napi_workfn+0x40/0x80\n[ 1215.208062] process_one_work+0x1fc/0x390\n[ 1215.212062] worker_thread+0x48/0x4d0\n[ 1215.215715] kthread+0x120/0x128\n[ 1215.218935] ret_from_fork+0x10/0x1c"}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.11.21", "versionStartIncluding": "5.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.12.4", "versionStartIncluding": "5.8"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.13", "versionStartIncluding": "5.8"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:46:33.696Z"}}}, "cveMetadata": {"cveId": "CVE-2021-47028", "state": "PUBLISHED", "dateUpdated": "2026-05-11T13:46:33.696Z", "dateReserved": "2024-02-27T18:42:55.961Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-02-28T08:13:39.004Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "C929D54B-4901-4DE8-B5BD-53E25B3FCFB8", "versionEndExcluding": "5.11.21", "versionStartIncluding": "5.8", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D8C7052F-1B7B-4327-9C2B-84EBF3243838", "versionEndExcluding": "5.12.4", "versionStartIncluding": "5.12", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7915: fix txrate reporting\n\nProperly check rate_info to fix unexpected reporting.\n\n[ 1215.161863] Call trace:\n[ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211]\n[ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [mac80211]\n[ 1215.175624] ieee80211_tx_status_ext+0x508/0x838 [mac80211]\n[ 1215.181190] mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e]\n[ 1215.186580] mt7915_mac_tx_free+0x324/0x7c0 [mt7915e]\n[ 1215.191623] mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e]\n[ 1215.196582] mt76_dma_cleanup+0x7b0/0x11d0 [mt76]\n[ 1215.201276] __napi_poll+0x38/0xf8\n[ 1215.204668] napi_workfn+0x40/0x80\n[ 1215.208062] process_one_work+0x1fc/0x390\n[ 1215.212062] worker_thread+0x48/0x4d0\n[ 1215.215715] kthread+0x120/0x128\n[ 1215.218935] ret_from_fork+0x10/0x1c"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: mt76: mt7915: corrige informes txrate Verifique correctamente rate_info para corregir informes inesperados. [ 1215.161863] Rastreo de llamadas: [ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211] [ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [mac80211] [ 1215.17562 4] ieee80211_tx_status_ext+0x508/0x838 [mac80211] [1215.181190] mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e] [ 1215.186580] mt7915_mac_tx_free+0x324/0x7c0 [mt7915e] [ 1215.191623] mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e] [ 1215.196582] mt76_dma_cleanup+0x7b 0/0x11d0 [mt76] [ 1215.201276] __napi_poll+0x38/0xf8 [ 1215.204668] napi_workfn+0x40/0x80 [ 1215.208062] proceso_one_work+0x1fc/0x390 [ 1215.212062] hilo_trabajador+0x48/0x4d0 [ 1215.215715] kthread+0x120/0x128 [ 1215.218935] ret_from_fork+0x10/0x1c"}], "id": "CVE-2021-47028", "lastModified": "2024-12-06T20:53:43.170", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-02-28T09:15:39.430", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/4bd926e5ca88eac4d95eacb806b229f8729bc62e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dfc8a71448c7d4fec38fb22bdc8a76d79c14b6da"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f43b941fd61003659a3f0e039595e5e525917aa8"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: mt76: mt7915: fix txrate reporting", "id": "2266975", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2266975"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.3", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-20", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nmt76: mt7915: fix txrate reporting\nProperly check rate_info to fix unexpected reporting.\n[ 1215.161863] Call trace:\n[ 1215.164307] cfg80211_calculate_bitrate+0x124/0x200 [cfg80211]\n[ 1215.170139] ieee80211s_update_metric+0x80/0xc0 [mac80211]\n[ 1215.175624] ieee80211_tx_status_ext+0x508/0x838 [mac80211]\n[ 1215.181190] mt7915_mcu_get_rx_rate+0x28c/0x8d0 [mt7915e]\n[ 1215.186580] mt7915_mac_tx_free+0x324/0x7c0 [mt7915e]\n[ 1215.191623] mt7915_queue_rx_skb+0xa8/0xd0 [mt7915e]\n[ 1215.196582] mt76_dma_cleanup+0x7b0/0x11d0 [mt76]\n[ 1215.201276] __napi_poll+0x38/0xf8\n[ 1215.204668] napi_workfn+0x40/0x80\n[ 1215.208062] process_one_work+0x1fc/0x390\n[ 1215.212062] worker_thread+0x48/0x4d0\n[ 1215.215715] kthread+0x120/0x128\n[ 1215.218935] ret_from_fork+0x10/0x1c"], "name": "CVE-2021-47028", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-02-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47028\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47028\nhttps://lore.kernel.org/linux-cve-announce/2024022834-CVE-2021-47028-3a13@gregkh/T/#u"], "threat_severity": "Low"}

{}