LSN-0117-1: Kernel Live Patch Security Notice

In the Linux kernel, the following vulnerability has been resolved: e100: Fix possible use after free in e100xmitprepare In e100xmitprepare, if we can't map the skb, then return -ENOMEM, so e100xmitframe will return NETDEVTXBUSY and the upper layer will resend the skb. In the Linux kernel, the...

CVE-2022-49026

In the Linux kernel, the following vulnerability has been resolved: e100: Fix possible use after free in e100xmitprepare In e100xmitprepare, if we can't map the skb, then return -ENOMEM, so e100xmitframe will return NETDEVTXBUSY and the upper layer will resend the skb. But the skb is already free...

CVE-2022-49026

CVE-2022-49026 is a Linux kernel use-after-free in the e100 driver (e100_xmit_prepare) when skb mapping fails. The patch removes a harmful free, preventing UAF if the upper layer resends the skb. Reported in multiple advisories and OSS docs, the issue affects the kernel networking transmit path; ...