{"id":"CVE-2025-37933","state":"PUBLISHED","title":"octeon_ep: Fix host hang issue during device reboot","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteon_ep: Fix host hang issue during device reboot\n\nWhen the host loses heartbeat messages from the device,\nthe driver calls the device-specific ndo_stop function,\nwhich frees the resources. If the driver is unloaded in\nthis scenario, it calls ndo_stop again, attempting to free\nresources that have already been freed, leading to a host\nhang issue. To resolve this, dev_close should be called\ninstead of the device-specific stop function.dev_close\ninternally calls ndo_stop to stop the network interface\nand performs additional cleanup tasks. During the driver\nunload process, if the device is already down, ndo_stop\nis not called.","publishedAt":"2025-05-20T15:21:58.169Z","updatedAt":"2026-05-11T21:17:55.133Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5cb96c29aa0ea359e4f5d30585538dc6a847d69d","status":"affected","lessThan":"7e1ca1bed3f66e00377f7d2147be390144924276","versionType":"git"},{"version":"5cb96c29aa0ea359e4f5d30585538dc6a847d69d","status":"affected","lessThan":"c8d788f800f83b94d9db8b3dacc1d26be38a6ef4","versionType":"git"},{"version":"5cb96c29aa0ea359e4f5d30585538dc6a847d69d","status":"affected","lessThan":"6d1052423518e7d0aece9af5e77bbc324face8f1","versionType":"git"},{"version":"5cb96c29aa0ea359e4f5d30585538dc6a847d69d","status":"affected","lessThan":"34f42736b325287a7b2ce37e415838f539767bda","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/octeon_ep/octep_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.6.90","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.28","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.6","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/octeon_ep/octep_main.c"]}],"references":["https://git.kernel.org/stable/c/7e1ca1bed3f66e00377f7d2147be390144924276","https://git.kernel.org/stable/c/c8d788f800f83b94d9db8b3dacc1d26be38a6ef4","https://git.kernel.org/stable/c/6d1052423518e7d0aece9af5e77bbc324face8f1","https://git.kernel.org/stable/c/34f42736b325287a7b2ce37e415838f539767bda"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:03.054Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/37xxx/CVE-2025-37933.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-37933","state":"PUBLISHED","datePublished":"2025-05-20T15:21:58.169Z","dateUpdated":"2026-05-11T21:17:55.133Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.970Z"},"containers":{"cna":{"title":"octeon_ep: Fix host hang issue during device reboot","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nocteon_ep: Fix host hang issue during device reboot\n\nWhen the host loses heartbeat messages from the device,\nthe driver calls the device-specific ndo_stop function,\nwhich frees the resources. If the driver is unloaded in\nthis scenario, it calls ndo_stop again, attempting to free\nresources that have already been freed, leading to a host\nhang issue. To resolve this, dev_close should be called\ninstead of the device-specific stop function.dev_close\ninternally calls ndo_stop to stop the network interface\nand performs additional cleanup tasks. During the driver\nunload process, if the device is already down, ndo_stop\nis not called."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"5cb96c29aa0ea359e4f5d30585538dc6a847d69d","status":"affected","lessThan":"7e1ca1bed3f66e00377f7d2147be390144924276","versionType":"git"},{"version":"5cb96c29aa0ea359e4f5d30585538dc6a847d69d","status":"affected","lessThan":"c8d788f800f83b94d9db8b3dacc1d26be38a6ef4","versionType":"git"},{"version":"5cb96c29aa0ea359e4f5d30585538dc6a847d69d","status":"affected","lessThan":"6d1052423518e7d0aece9af5e77bbc324face8f1","versionType":"git"},{"version":"5cb96c29aa0ea359e4f5d30585538dc6a847d69d","status":"affected","lessThan":"34f42736b325287a7b2ce37e415838f539767bda","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/octeon_ep/octep_main.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.4","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.4","versionType":"semver"},{"version":"6.6.90","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.28","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.14.6","status":"unaffected","lessThanOrEqual":"6.14.*","versionType":"semver"},{"version":"6.15","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/marvell/octeon_ep/octep_main.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/7e1ca1bed3f66e00377f7d2147be390144924276"},{"url":"https://git.kernel.org/stable/c/c8d788f800f83b94d9db8b3dacc1d26be38a6ef4"},{"url":"https://git.kernel.org/stable/c/6d1052423518e7d0aece9af5e77bbc324face8f1"},{"url":"https://git.kernel.org/stable/c/34f42736b325287a7b2ce37e415838f539767bda"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:17:55.133Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.6.90"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.12.28"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.14.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4","versionEndExcluding":"6.15"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}