cve-2021-47564
Vulnerability from cvelistv5
Published
2024-05-24 15:12
Modified
2024-12-19 07:44
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
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
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd
Impacted products
Vendor Product Version
Linux Linux Version: 5.10
Show details on NVD website

To clipboard 

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          "programFiles": [
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    "datePublished": "2024-05-24T15:12:52.129Z",
    "dateReserved": "2024-05-24T15:11:00.728Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2021-47564\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:21.263\",\"lastModified\":\"2024-11-21T06:36:34.047\",\"vulnStatus\":\"Awaiting Analysis\",\"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\"}],\"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\"},{\"url\":\"https://git.kernel.org/stable/c/03e5203d2161a00afe4d97d206d2293e40b2f253\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/5dca8eff4627315df98feec09fff9dfe3356325e\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}"
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}


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