CVE-2026-99045None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: ibmveth: h_free logical LAN on open-fail after register ibmveth_open() registers the logical LAN, then allocates the RX buffer pools. A pool failure jumps to out_free_…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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In the Linux kernel, the following vulnerability has been resolved:
ibmveth: h_free logical LAN on open-fail after register
ibmveth_open() registers the logical LAN, then allocates the RX buffer pools. A pool failure jumps to out_free_buffer_pools without h_free_logical_lan(), so PHYP still owns the buffer-list page when it is unmapped. request_irq() failure already issued the hypercall before taking the same label.
Move that h_free to the shared post-register unwind so both paths deregister before the buffer list is unmapped.
Linux >= d43732ce021f4244a4c53a45d57ad0c13c30ed94 < decb4d4ead2c71ef698727734ab5024a872eb372Linux >= d43732ce021f4244a4c53a45d57ad0c13c30ed94 < c54bbdf6f0731102a4bf7f5e4ee535b3ea415996Linux >= d43732ce021f4244a4c53a45d57ad0c13c30ed94 < a065bd31ec462f6f9c267026b708dd020f122723Linux >= d43732ce021f4244a4c53a45d57ad0c13c30ed94 < d24fdec1413c656d29298097926e77542785ca0cLinux >= d43732ce021f4244a4c53a45d57ad0c13c30ed94 < af0524bf4ce1a4cbd2946aa81751582951cfcab5Linux 4.13Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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