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
Tracking
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Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
Mon, 06 Jan 2025 21:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.16:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.16:rc2:*:*:*:*:*:* |
|
| Vendors & Products |
Linux
Linux linux Kernel |
|
| Metrics |
cvssV3_1
|
cvssV3_1
|
Fri, 20 Dec 2024 08:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2025-05-04T07:13:44.545Z
Reserved: 2024-05-24T15:11:00.728Z
Link: CVE-2021-47564
Updated: 2024-08-04T05:39:59.796Z
Status : Analyzed
Published: 2024-05-24T15:15:21.263
Modified: 2025-01-06T20:52:59.593
Link: CVE-2021-47564
OpenCVE Enrichment
No data.