cve-2021-47564
Vulnerability from cvelistv5
Published
2024-05-24 15:12
Modified
2024-11-04 12:08
Severity ?
Summary
net: marvell: prestera: fix double free issue on err path
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd
Impacted products
LinuxLinux
LinuxLinux
Show details on NVD website

To clipboard 

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                "id": "CVE-2021-47564",
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                    "Exploitation": "none"
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                "timestamp": "2024-05-24T17:03:20.536355Z",
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    "cna": {
      "affected": [
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          "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",
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          "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"
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      "title": "net: marvell: prestera: fix double free issue on err path",
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  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2021-47564",
    "datePublished": "2024-05-24T15:12:52.129Z",
    "dateReserved": "2024-05-24T15:11:00.728Z",
    "dateUpdated": "2024-11-04T12:08:19.134Z",
    "state": "PUBLISHED"
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47564\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:21.263\",\"lastModified\":\"2024-05-24T18:09:20.027\",\"vulnStatus\":\"Awaiting Analysis\",\"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\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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