FKIE_CVE-2021-47564
Vulnerability from fkie_nvd - Published: 2024-05-24 15:15 - Updated: 2026-06-17 04:17
Severity
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: marvell: prestera: fix double free issue on err path
fix error path handling in prestera_bridge_port_join() that
cases prestera driver to crash (see below).
Trace:
Internal error: Oops: 96000044 [#1] SMP
Modules linked in: 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 : dead000000000122
Call trace:
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+0x54/0xa0
__netdev_upper_dev_link+0x19c/0x380
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | 5.16 | |
| linux | linux_kernel | 5.16 |
{
"affected": [
{
"affectedData": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/marvell/prestera/prestera_switchdev.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "5dca8eff4627315df98feec09fff9dfe3356325e",
"status": "affected",
"version": "e1189d9a5fbec8153dbe03f3589bc2baa96694e2",
"versionType": "git"
},
{
"lessThan": "03e5203d2161a00afe4d97d206d2293e40b2f253",
"status": "affected",
"version": "e1189d9a5fbec8153dbe03f3589bc2baa96694e2",
"versionType": "git"
},
{
"lessThan": "e8d032507cb7912baf1d3e0af54516f823befefd",
"status": "affected",
"version": "e1189d9a5fbec8153dbe03f3589bc2baa96694e2",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/ethernet/marvell/prestera/prestera_switchdev.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.10"
},
{
"lessThan": "5.10",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.83",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.6",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "5.16",
"versionType": "original_commit_for_fix"
}
]
}
],
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
],
"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": "2026-06-17T04:17:46.713",
"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"
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"id": "CVE-2021-47564",
"options": [
{
"exploitation": "none"
},
{
"automatable": "no"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-05-24T17:03:20.536355Z",
"version": "2.0.3"
}
}
]
},
"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": [
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],
"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": [
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],
"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"
}
]
}
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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