{"id":"CVE-2026-43430","state":"PUBLISHED","title":"usb: yurex: fix race in probe","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: yurex: fix race in probe\n\nThe bbu member of the descriptor must be set to the value\nstanding for uninitialized values before the URB whose\ncompletion handler sets bbu is submitted. Otherwise there is\na window during which probing can overwrite already retrieved\ndata.","publishedAt":"2026-05-08T14:22:02.458Z","updatedAt":"2026-05-11T22:24:26.330Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"a7934d7202a39c3160aa30521c382c7b744ae4a2","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"a8b3b3d730acea1640bc89465f2832cf06a1e13a","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"687d26d43a5aaf44323ce7d601cf242bb87e9559","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"939e3d17b843b0bae70467fef4481069d73c8520","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"3cec135415a89723e2d38e1c8cc5098203355965","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"a41d3d9202e951995cfac6248c565423079c71fa","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"af83e92c329f11139d5eea2b5b7b83c26c3f67e7","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"7a875c09899ba0404844abfd8f0d54cdc481c151","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/yurex.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.37","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.78","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.19","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.9","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/yurex.c"]}],"references":["https://git.kernel.org/stable/c/a7934d7202a39c3160aa30521c382c7b744ae4a2","https://git.kernel.org/stable/c/a8b3b3d730acea1640bc89465f2832cf06a1e13a","https://git.kernel.org/stable/c/687d26d43a5aaf44323ce7d601cf242bb87e9559","https://git.kernel.org/stable/c/939e3d17b843b0bae70467fef4481069d73c8520","https://git.kernel.org/stable/c/3cec135415a89723e2d38e1c8cc5098203355965","https://git.kernel.org/stable/c/a41d3d9202e951995cfac6248c565423079c71fa","https://git.kernel.org/stable/c/af83e92c329f11139d5eea2b5b7b83c26c3f67e7","https://git.kernel.org/stable/c/7a875c09899ba0404844abfd8f0d54cdc481c151"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43430.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43430","state":"PUBLISHED","datePublished":"2026-05-08T14:22:02.458Z","dateUpdated":"2026-05-11T22:24:26.330Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:56.009Z"},"containers":{"cna":{"title":"usb: yurex: fix race in probe","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: yurex: fix race in probe\n\nThe bbu member of the descriptor must be set to the value\nstanding for uninitialized values before the URB whose\ncompletion handler sets bbu is submitted. Otherwise there is\na window during which probing can overwrite already retrieved\ndata."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"a7934d7202a39c3160aa30521c382c7b744ae4a2","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"a8b3b3d730acea1640bc89465f2832cf06a1e13a","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"687d26d43a5aaf44323ce7d601cf242bb87e9559","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"939e3d17b843b0bae70467fef4481069d73c8520","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"3cec135415a89723e2d38e1c8cc5098203355965","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"a41d3d9202e951995cfac6248c565423079c71fa","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"af83e92c329f11139d5eea2b5b7b83c26c3f67e7","versionType":"git"},{"version":"6bc235a2e24a5ef677daee3fd4f74f6cd643e23c","status":"affected","lessThan":"7a875c09899ba0404844abfd8f0d54cdc481c151","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/yurex.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.37","versionType":"semver"},{"version":"5.10.253","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.203","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.167","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.130","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.78","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.19","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.9","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/yurex.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/a7934d7202a39c3160aa30521c382c7b744ae4a2"},{"url":"https://git.kernel.org/stable/c/a8b3b3d730acea1640bc89465f2832cf06a1e13a"},{"url":"https://git.kernel.org/stable/c/687d26d43a5aaf44323ce7d601cf242bb87e9559"},{"url":"https://git.kernel.org/stable/c/939e3d17b843b0bae70467fef4481069d73c8520"},{"url":"https://git.kernel.org/stable/c/3cec135415a89723e2d38e1c8cc5098203355965"},{"url":"https://git.kernel.org/stable/c/a41d3d9202e951995cfac6248c565423079c71fa"},{"url":"https://git.kernel.org/stable/c/af83e92c329f11139d5eea2b5b7b83c26c3f67e7"},{"url":"https://git.kernel.org/stable/c/7a875c09899ba0404844abfd8f0d54cdc481c151"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:24:26.330Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.10.253"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.15.203"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.18.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"6.19.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}