{"id":"CVE-2025-68750","state":"PUBLISHED","title":"usb: potential integer overflow in usbg_make_tpg()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: potential integer overflow in usbg_make_tpg()\n\nThe variable tpgt in usbg_make_tpg() is defined as unsigned long and is\nassigned to tpgt->tport_tpgt, which is defined as u16. This may cause an\ninteger overflow when tpgt is greater than USHRT_MAX (65535). I\nhaven't tried to trigger it myself, but it is possible to trigger it\nby calling usbg_make_tpg() with a large value for tpgt.\n\nI modified the type of tpgt to match tpgt->tport_tpgt and adjusted the\nrelevant code accordingly.\n\nThis patch is similar to commit 59c816c1f24d (\"vhost/scsi: potential\nmemory corruption\").","publishedAt":"2025-12-24T15:51:03.141Z","updatedAt":"2026-05-11T21:52:37.371Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"0861b9cb2ff519b7c5a3b1dd52a343e18c4efb24","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"603a83e5fee38a950bfcfb2f36449311fa00a474","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"6f77e344515b5258edb3988188311464209b1c7c","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"6722e080b5b39ab7471386c73d0c1b39572f943c","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"a33f507f36d5881f602dab581ab0f8d22b49762c","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"358d5ba08f1609c34a054aed88c431844d09705a","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"620a5e1e84a3a7004270703a118d33eeb1c0f368","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"153874010354d050f62f8ae25cbb960c17633dc5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/function/f_tcm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.5","versionType":"semver"},{"version":"5.4.296","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.240","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.187","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.143","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.96","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.36","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.5","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/function/f_tcm.c"]}],"references":["https://git.kernel.org/stable/c/0861b9cb2ff519b7c5a3b1dd52a343e18c4efb24","https://git.kernel.org/stable/c/603a83e5fee38a950bfcfb2f36449311fa00a474","https://git.kernel.org/stable/c/6f77e344515b5258edb3988188311464209b1c7c","https://git.kernel.org/stable/c/6722e080b5b39ab7471386c73d0c1b39572f943c","https://git.kernel.org/stable/c/a33f507f36d5881f602dab581ab0f8d22b49762c","https://git.kernel.org/stable/c/358d5ba08f1609c34a054aed88c431844d09705a","https://git.kernel.org/stable/c/620a5e1e84a3a7004270703a118d33eeb1c0f368","https://git.kernel.org/stable/c/153874010354d050f62f8ae25cbb960c17633dc5"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68750.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68750","state":"PUBLISHED","datePublished":"2025-12-24T15:51:03.141Z","dateUpdated":"2026-05-11T21:52:37.371Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-24T10:30:51.032Z"},"containers":{"cna":{"title":"usb: potential integer overflow in usbg_make_tpg()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nusb: potential integer overflow in usbg_make_tpg()\n\nThe variable tpgt in usbg_make_tpg() is defined as unsigned long and is\nassigned to tpgt->tport_tpgt, which is defined as u16. This may cause an\ninteger overflow when tpgt is greater than USHRT_MAX (65535). I\nhaven't tried to trigger it myself, but it is possible to trigger it\nby calling usbg_make_tpg() with a large value for tpgt.\n\nI modified the type of tpgt to match tpgt->tport_tpgt and adjusted the\nrelevant code accordingly.\n\nThis patch is similar to commit 59c816c1f24d (\"vhost/scsi: potential\nmemory corruption\")."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"0861b9cb2ff519b7c5a3b1dd52a343e18c4efb24","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"603a83e5fee38a950bfcfb2f36449311fa00a474","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"6f77e344515b5258edb3988188311464209b1c7c","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"6722e080b5b39ab7471386c73d0c1b39572f943c","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"a33f507f36d5881f602dab581ab0f8d22b49762c","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"358d5ba08f1609c34a054aed88c431844d09705a","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"620a5e1e84a3a7004270703a118d33eeb1c0f368","versionType":"git"},{"version":"c52661d60f636d17e26ad834457db333bd1df494","status":"affected","lessThan":"153874010354d050f62f8ae25cbb960c17633dc5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/function/f_tcm.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.5","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.5","versionType":"semver"},{"version":"5.4.296","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.240","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.187","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.143","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.96","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.36","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.5","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/gadget/function/f_tcm.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/0861b9cb2ff519b7c5a3b1dd52a343e18c4efb24"},{"url":"https://git.kernel.org/stable/c/603a83e5fee38a950bfcfb2f36449311fa00a474"},{"url":"https://git.kernel.org/stable/c/6f77e344515b5258edb3988188311464209b1c7c"},{"url":"https://git.kernel.org/stable/c/6722e080b5b39ab7471386c73d0c1b39572f943c"},{"url":"https://git.kernel.org/stable/c/a33f507f36d5881f602dab581ab0f8d22b49762c"},{"url":"https://git.kernel.org/stable/c/358d5ba08f1609c34a054aed88c431844d09705a"},{"url":"https://git.kernel.org/stable/c/620a5e1e84a3a7004270703a118d33eeb1c0f368"},{"url":"https://git.kernel.org/stable/c/153874010354d050f62f8ae25cbb960c17633dc5"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:52:37.371Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.4.296"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.10.240"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"5.15.187"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.1.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.6.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.12.36"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.15.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.5","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}