In the Linux kernel, the following vulnerability has been resolved:
net: cdc_eem: fix tx fixup skb leak
when usbnet transmit a skb, eem fixup it in eem_tx_fixup(),
if skb_copy_expand() failed, it return NULL,
usbnet_start_xmit() will have no chance to free original skb.
fix it by free orginal skb in eem_tx_fixup() first,
then check skb clone status, if failed, return NULL to usbnet.
Metrics
Affected Vendors & Products
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: Linux
Published: 2024-05-21T14:19:37.724Z
Updated: 2024-08-04T05:32:07.941Z
Reserved: 2024-04-10T18:59:19.531Z
Link: CVE-2021-47236
Vulnrichment
Updated: 2024-08-04T05:32:07.941Z
NVD
Status : Awaiting Analysis
Published: 2024-05-21T15:15:12.857
Modified: 2024-05-21T16:54:26.047
Link: CVE-2021-47236
Redhat