CLSA-2024-1727816710 Fix of 60 CVEs

CVE-url: https://ubuntu.com/security/CVE-2024-26752 - l2tp: pass correct message length to ip6appenddata CVE-url: https://ubuntu.com/security/CVE-2023-52527 - ipv4, ipv6: Fix handling of transhdrlen in ip,6appenddata CVE-url: https://ubuntu.com/security/CVE-2024-43882 - exec: Fix ToCToU between...

CVE-2024-26752 l2tp: pass correct message length to ip6_append_data

In the Linux kernel, the following vulnerability has been resolved: l2tp: pass correct message length to ip6appenddata l2tpip6sendmsg needs to avoid accounting for the transport header twice when splicing more data into an already partially-occupied skbuff. To manage this, we check whether the...