{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43422","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:56.008Z","datePublished":"2026-05-08T14:21:57.031Z","dateUpdated":"2026-05-11T22:24:16.955Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:24:16.955Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: legacy: ncm: Fix NPE in gncm_bind\n\nCommit 56a512a9b410 (\"usb: gadget: f_ncm: align net_device lifecycle\nwith bind/unbind\") deferred the allocation of the net_device. This\nchange leads to a NULL pointer dereference in the legacy NCM driver as\nit attempts to access the net_device before it's fully instantiated.\n\nStore the provided qmult, host_addr, and dev_addr into the struct\nncm_opts->net_opts during gncm_bind(). These values will be properly\napplied to the net_device when it is allocated and configured later in\nthe binding process by the NCM function driver."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/legacy/ncm.c"],"versions":[{"version":"b62076e780a2121903ecf9ffdfb89c64647cb7da","lessThan":"be5738d19bed244ede84da45bc45395bcb1d99e0","status":"affected","versionType":"git"},{"version":"188338c1827842f898761a939669cf345bdf07e2","lessThan":"b23e86a3a15803c3dcb24701285f73e65099fdf9","status":"affected","versionType":"git"},{"version":"56a512a9b4107079f68701e7d55da8507eb963d9","lessThan":"fde0634ad9856b3943a2d1a8cc8de174a63ac840","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/legacy/ncm.c"],"versions":[{"version":"6.18.17","lessThan":"6.18.19","status":"affected","versionType":"semver"},{"version":"6.19.7","lessThan":"6.19.9","status":"affected","versionType":"semver"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18.17","versionEndExcluding":"6.18.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19.7","versionEndExcluding":"6.19.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/be5738d19bed244ede84da45bc45395bcb1d99e0"},{"url":"https://git.kernel.org/stable/c/b23e86a3a15803c3dcb24701285f73e65099fdf9"},{"url":"https://git.kernel.org/stable/c/fde0634ad9856b3943a2d1a8cc8de174a63ac840"}],"title":"usb: legacy: ncm: Fix NPE in gncm_bind","x_generator":{"engine":"bippy-1.2.0"}}}}