CVE-2026-43244

CVE-2026-43244 affects the Linux kernel KCM (Kernel Connection Multiplexer). The issue arises during partial sendmsg operations: when kcm_sendmsg fills MAX_SKB_FRAGS, it allocates a new skb in frag_list and may copy data; if the copy fails, the new tail skb can have zero frags, leaving an empty e...

PT-2026-37584

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Kernel Connection Multiplexor KCM where a zero-fragment socket buffer skb can remain in the frag list during a partial sendmsg error. When kcm sendmsg fills the...