{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2021-47564", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-24T15:11:00.728Z", "datePublished": "2024-05-24T15:12:52.129Z", "dateUpdated": "2026-05-11T13:57:03.918Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T13:57:03.918Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: marvell: prestera: fix double free issue on err path\n\nfix error path handling in prestera_bridge_port_join() that\ncases prestera driver to crash (see below).\n\n Trace:\n Internal error: Oops: 96000044 [#1] SMP\n Modules linked in: prestera_pci prestera uio_pdrv_genirq\n CPU: 1 PID: 881 Comm: ip Not tainted 5.15.0 #1\n pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : prestera_bridge_destroy+0x2c/0xb0 [prestera]\n lr : prestera_bridge_port_join+0x2cc/0x350 [prestera]\n sp : ffff800011a1b0f0\n ...\n x2 : ffff000109ca6c80 x1 : dead000000000100 x0 : dead000000000122\n Call trace:\n prestera_bridge_destroy+0x2c/0xb0 [prestera]\n prestera_bridge_port_join+0x2cc/0x350 [prestera]\n prestera_netdev_port_event.constprop.0+0x3c4/0x450 [prestera]\n prestera_netdev_event_handler+0xf4/0x110 [prestera]\n raw_notifier_call_chain+0x54/0x80\n call_netdevice_notifiers_info+0x54/0xa0\n __netdev_upper_dev_link+0x19c/0x380"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ethernet/marvell/prestera/prestera_switchdev.c"], "versions": [{"version": "e1189d9a5fbec8153dbe03f3589bc2baa96694e2", "lessThan": "5dca8eff4627315df98feec09fff9dfe3356325e", "status": "affected", "versionType": "git"}, {"version": "e1189d9a5fbec8153dbe03f3589bc2baa96694e2", "lessThan": "03e5203d2161a00afe4d97d206d2293e40b2f253", "status": "affected", "versionType": "git"}, {"version": "e1189d9a5fbec8153dbe03f3589bc2baa96694e2", "lessThan": "e8d032507cb7912baf1d3e0af54516f823befefd", "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/ethernet/marvell/prestera/prestera_switchdev.c"], "versions": [{"version": "5.10", "status": "affected"}, {"version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.83", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.6", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.16", "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": "5.10", "versionEndExcluding": "5.10.83"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.15.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.10", "versionEndExcluding": "5.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e"}, {"url": "https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253"}, {"url": "https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd"}], "title": "net: marvell: prestera: fix double free issue on err path", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-47564", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-05-24T17:03:20.536355Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:15:02.315Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:39:59.796Z"}, "title": "CVE Program Container", "references": [{"url": "https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253", "tags": ["x_transferred"]}, {"url": "https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd", "tags": ["x_transferred"]}]}]}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "02C4CDCF-8C79-43EE-AB15-495D3304D516", "versionEndExcluding": "5.10.83", "versionStartIncluding": "5.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "990C08FB-0121-4296-896F-556312F8FF3B", "versionEndExcluding": "5.15.6", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:*", "matchCriteriaId": "357AA433-37E8-4323-BFB2-3038D6E4B414", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:*", "matchCriteriaId": "A73429BA-C2D9-4D0C-A75F-06A1CA8B3983", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: marvell: prestera: fix double free issue on err path\n\nfix error path handling in prestera_bridge_port_join() that\ncases prestera driver to crash (see below).\n\n Trace:\n Internal error: Oops: 96000044 [#1] SMP\n Modules linked in: prestera_pci prestera uio_pdrv_genirq\n CPU: 1 PID: 881 Comm: ip Not tainted 5.15.0 #1\n pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : prestera_bridge_destroy+0x2c/0xb0 [prestera]\n lr : prestera_bridge_port_join+0x2cc/0x350 [prestera]\n sp : ffff800011a1b0f0\n ...\n x2 : ffff000109ca6c80 x1 : dead000000000100 x0 : dead000000000122\n Call trace:\n prestera_bridge_destroy+0x2c/0xb0 [prestera]\n prestera_bridge_port_join+0x2cc/0x350 [prestera]\n prestera_netdev_port_event.constprop.0+0x3c4/0x450 [prestera]\n prestera_netdev_event_handler+0xf4/0x110 [prestera]\n raw_notifier_call_chain+0x54/0x80\n call_netdevice_notifiers_info+0x54/0xa0\n __netdev_upper_dev_link+0x19c/0x380"}, {"lang": "es", "value": "En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: net: marvell: prestera: corrige el problema de doble liberaci\u00f3n en la ruta de error corrige el manejo de la ruta de error en prestera_bridge_port_join() que hace que el controlador de prestera falle (ver m\u00e1s abajo). Seguimiento: Error interno: Ups: 96000044 [#1] M\u00f3dulos SMP vinculados en: prestera_pci prestera uio_pdrv_genirq CPU: 1 PID: 881 Comm: ip Not tainted 5.15.0 #1 pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc: prestera_bridge_destroy+0x2c/0xb0 [prestera] lr: prestera_bridge_port_join+0x2cc/0x350 [prestera] sp: ffff800011a1b0f0... x2: ffff000109ca6c80 x1: dead000000000100 x0: dead00000 0000122 Rastreo de llamadas: prestera_bridge_destroy+0x2c/0xb0 [prestera] prestera_bridge_port_join+0x2cc/0x350 [prestera] prestera_netdev_port_event.constprop.0+0x3c4/0x450 [prestera] prestera_netdev_event_handler+0xf4/0x110 [prestera] raw_notifier_call_chain+0x54/0x80 call_netdevice_notifiers_info+0 x54/0xa0 __netdev_upper_dev_link+0x19c/0x380"}], "id": "CVE-2021-47564", "lastModified": "2025-01-06T20:52:59.593", "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": "2024-05-24T15:15:21.263", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-415"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: net: marvell: prestera: fix double free issue on err path", "id": "2283467", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2283467"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-415", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: marvell: prestera: fix double free issue on err path\nfix error path handling in prestera_bridge_port_join() that\ncases prestera driver to crash (see below).\nTrace:\nInternal error: Oops: 96000044 [#1] SMP\nModules linked in: prestera_pci prestera uio_pdrv_genirq\nCPU: 1 PID: 881 Comm: ip Not tainted 5.15.0 #1\npstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)\npc : prestera_bridge_destroy+0x2c/0xb0 [prestera]\nlr : prestera_bridge_port_join+0x2cc/0x350 [prestera]\nsp : ffff800011a1b0f0\n...\nx2 : ffff000109ca6c80 x1 : dead000000000100 x0 : dead000000000122\nCall trace:\nprestera_bridge_destroy+0x2c/0xb0 [prestera]\nprestera_bridge_port_join+0x2cc/0x350 [prestera]\nprestera_netdev_port_event.constprop.0+0x3c4/0x450 [prestera]\nprestera_netdev_event_handler+0xf4/0x110 [prestera]\nraw_notifier_call_chain+0x54/0x80\ncall_netdevice_notifiers_info+0x54/0xa0\n__netdev_upper_dev_link+0x19c/0x380"], "name": "CVE-2021-47564", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "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": "2024-05-24T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47564\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47564\nhttps://lore.kernel.org/linux-cve-announce/2024052452-CVE-2021-47564-2e3b@gregkh/T"], "threat_severity": "Low"}

{}