net: skbuff: fix missing zerocopy reference in pskb_carve helpers

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CVE-2026-52943 net: skbuff: fix missing zerocopy reference in pskb_carve helpers

In the Linux kernel, the following vulnerability has been resolved: net: skbuff: fix missing zerocopy reference in pskbcarve helpers pskbcarveinsideheader and pskbcarveinsidenonlinear both copy the old skbsharedinfo header into a new buffer via memcpy, which includes the destructorarg pointer uar...

PT-2026-51758

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Linux kernel due to a missing zerocopy reference in the pskb carve inside header and pskb carve inside nonlinear functions. Both functions copy the s...