net/smc: fix double-free of smc_spd_priv when tee() duplicates splice pipe buffer

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SUSE CVE-2026-31507

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix double-free of smcspdpriv when tee duplicates splice pipe buffer smcrxsplice allocates one smcspdpriv per pipebuffer and stores the pointer in pipebuffer.private. The pipebufoperations for these buffers used .get =...

PT-2026-34412

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMC implementation of the Linux kernel. The smc rx splice function allocates an smc spd priv object per pipe buffer and stores the pointer in pipe...