发布于3月6日3月6日 Members Huawei EulerOS: CVE-2021-47236: kernel security update Severity 4 CVSS (AV:L/AC:M/Au:N/C:P/I:P/A:P) Published 05/21/2024 Created 10/09/2024 Added 10/08/2024 Modified 10/08/2024 Description 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. Solution(s) huawei-euleros-2_0_sp10-upgrade-kernel huawei-euleros-2_0_sp10-upgrade-kernel-abi-stablelists huawei-euleros-2_0_sp10-upgrade-kernel-tools huawei-euleros-2_0_sp10-upgrade-kernel-tools-libs huawei-euleros-2_0_sp10-upgrade-python3-perf References https://attackerkb.com/topics/cve-2021-47236 CVE - 2021-47236 EulerOS-SA-2024-2441