CVE-2026-74559 xsk: drain continuation descs after overflow in xsk_build_skb()

In the Linux kernel, the following vulnerability has been resolved: xsk: drain continuation descs after overflow in xskbuildskb Fix generic xmit path multi-buffer logic when packets are either too big count of descriptors exceed MAXSKBFRAGS or an invalid descriptor is included in fragmented packe...

UBUNTU-CVE-2026-53250

In the Linux kernel, the following vulnerability has been resolved: xsk: cache csumstart/csumoffset to fix TOCTOU in xskskbmetadata The TX metadata area resides in the UMEM buffer which is memory-mapped and concurrently writable by userspace. In xskskbmetadata, csumstart and csumoffset are read...

CVE-2025-40290 xsk: avoid data corruption on cq descriptor number

In the Linux kernel, the following vulnerability has been resolved: xsk: avoid data corruption on cq descriptor number Since commit 30f241fcf52a "xsk: Fix immature cq descriptor production", the descriptor number is stored in skb control block and xskcqsubmitaddrlocked relies on it to put the ume...

SUSE CVE-2025-40159

In the Linux kernel, the following vulnerability has been resolved: xsk: Harden userspace-supplied xdpdesc validation Turned out certain clearly invalid values passed in xdpdesc from userspace can pass xp,unalignedvalidatedesc and then lead to UBs or just invalid frames to be queued for xmit...