{"id":"CVE-2026-45939","state":"PUBLISHED","title":"gpib: Fix memory leak in ni_usb_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpib: Fix memory leak in ni_usb_init()\n\nIn ni_usb_init(), if ni_usb_setup_init() fails, the function returns\n-EFAULT without freeing the allocated writes buffer, leading to a\nmemory leak.\n\nAdditionally, ni_usb_setup_init() returns 0 on failure, which causes\nni_usb_init() to return -EFAULT, an inappropriate error code for this\nsituation.\n\nFix the leak by freeing writes in the error path. Modify\nni_usb_setup_init() to return -EINVAL on failure and propagate this\nerror code in ni_usb_init().","publishedAt":"2026-05-27T12:17:55.481Z","updatedAt":"2026-05-27T12:17:55.481Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4e127de14fa78bcd98c6459b0b984b8266cd0203","status":"affected","lessThan":"9c97fcfb7a62dea893104a046d544da8ac23370b","versionType":"git"},{"version":"4e127de14fa78bcd98c6459b0b984b8266cd0203","status":"affected","lessThan":"c899d4b62c0757a280831e89c1f3801b597e8f38","versionType":"git"},{"version":"4e127de14fa78bcd98c6459b0b984b8266cd0203","status":"affected","lessThan":"b89921eed8cf2d97250bac4be38dbcfbf048b586","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpib/ni_usb/ni_usb_gpib.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","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/gpib/ni_usb/ni_usb_gpib.c"]}],"references":["https://git.kernel.org/stable/c/9c97fcfb7a62dea893104a046d544da8ac23370b","https://git.kernel.org/stable/c/c899d4b62c0757a280831e89c1f3801b597e8f38","https://git.kernel.org/stable/c/b89921eed8cf2d97250bac4be38dbcfbf048b586"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45939.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45939","state":"PUBLISHED","datePublished":"2026-05-27T12:17:55.481Z","dateUpdated":"2026-05-27T12:17:55.481Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.087Z"},"containers":{"cna":{"title":"gpib: Fix memory leak in ni_usb_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpib: Fix memory leak in ni_usb_init()\n\nIn ni_usb_init(), if ni_usb_setup_init() fails, the function returns\n-EFAULT without freeing the allocated writes buffer, leading to a\nmemory leak.\n\nAdditionally, ni_usb_setup_init() returns 0 on failure, which causes\nni_usb_init() to return -EFAULT, an inappropriate error code for this\nsituation.\n\nFix the leak by freeing writes in the error path. Modify\nni_usb_setup_init() to return -EINVAL on failure and propagate this\nerror code in ni_usb_init()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"4e127de14fa78bcd98c6459b0b984b8266cd0203","status":"affected","lessThan":"9c97fcfb7a62dea893104a046d544da8ac23370b","versionType":"git"},{"version":"4e127de14fa78bcd98c6459b0b984b8266cd0203","status":"affected","lessThan":"c899d4b62c0757a280831e89c1f3801b597e8f38","versionType":"git"},{"version":"4e127de14fa78bcd98c6459b0b984b8266cd0203","status":"affected","lessThan":"b89921eed8cf2d97250bac4be38dbcfbf048b586","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpib/ni_usb/ni_usb_gpib.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","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/gpib/ni_usb/ni_usb_gpib.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/9c97fcfb7a62dea893104a046d544da8ac23370b"},{"url":"https://git.kernel.org/stable/c/c899d4b62c0757a280831e89c1f3801b597e8f38"},{"url":"https://git.kernel.org/stable/c/b89921eed8cf2d97250bac4be38dbcfbf048b586"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-27T12:17:55.481Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}