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        "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"
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                    "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"
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/ethernet/marvell/prestera/prestera_switchdev.c"
                    ],
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                    "url": "https://git.kernel.org/stable/c/e8d032507cb7912baf1d3e0af54516f823befefd"
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