{"id":"CVE-2026-80667","state":"PUBLISHED","title":"net/mlx5: LAG, MPESW, Fix missing complete() on devcom error","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: LAG, MPESW, Fix missing complete() on devcom error\n\nmlx5_mpesw_work() returned without calling complete() when\nmlx5_lag_get_devcom_comp() returned NULL. A caller that queued the\nwork and waited on mpesww->comp would block indefinitely.\n\nFunnel the early-return path through a new \"complete\" label so the\nwaiter is always woken.","publishedAt":"2026-08-28T06:49:09.277Z","updatedAt":"2026-08-28T06:49:09.277Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b430c1b4f63be51dde175a1dd3addba65ca24e2b","status":"affected","lessThan":"68cdbe498da8475cfd49591954e3db8fc6582eda","versionType":"git"},{"version":"b430c1b4f63be51dde175a1dd3addba65ca24e2b","status":"affected","lessThan":"6a802de97a8bf8d5f1e4a048c67de9a8c2d2f9eb","versionType":"git"},{"version":"b430c1b4f63be51dde175a1dd3addba65ca24e2b","status":"affected","lessThan":"4d720c6c60e1852253b68aeee3044ebed5243adb","versionType":"git"},{"version":"b430c1b4f63be51dde175a1dd3addba65ca24e2b","status":"affected","lessThan":"d4b85f9a668b9c44216bb78daf4ec1a915cc92d1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/mellanox/mlx5/core/lag/mpesw.c"]}],"references":["https://git.kernel.org/stable/c/68cdbe498da8475cfd49591954e3db8fc6582eda","https://git.kernel.org/stable/c/6a802de97a8bf8d5f1e4a048c67de9a8c2d2f9eb","https://git.kernel.org/stable/c/4d720c6c60e1852253b68aeee3044ebed5243adb","https://git.kernel.org/stable/c/d4b85f9a668b9c44216bb78daf4ec1a915cc92d1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:07.220Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/80xxx/CVE-2026-80667.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-80667","state":"PUBLISHED","datePublished":"2026-08-28T06:49:09.277Z","dateUpdated":"2026-08-28T06:49:09.277Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-26T14:34:25.782Z"},"containers":{"cna":{"title":"net/mlx5: LAG, MPESW, Fix missing complete() on devcom error","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet/mlx5: LAG, MPESW, Fix missing complete() on devcom error\n\nmlx5_mpesw_work() returned without calling complete() when\nmlx5_lag_get_devcom_comp() returned NULL. A caller that queued the\nwork and waited on mpesww->comp would block indefinitely.\n\nFunnel the early-return path through a new \"complete\" label so the\nwaiter is always woken."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b430c1b4f63be51dde175a1dd3addba65ca24e2b","status":"affected","lessThan":"68cdbe498da8475cfd49591954e3db8fc6582eda","versionType":"git"},{"version":"b430c1b4f63be51dde175a1dd3addba65ca24e2b","status":"affected","lessThan":"6a802de97a8bf8d5f1e4a048c67de9a8c2d2f9eb","versionType":"git"},{"version":"b430c1b4f63be51dde175a1dd3addba65ca24e2b","status":"affected","lessThan":"4d720c6c60e1852253b68aeee3044ebed5243adb","versionType":"git"},{"version":"b430c1b4f63be51dde175a1dd3addba65ca24e2b","status":"affected","lessThan":"d4b85f9a668b9c44216bb78daf4ec1a915cc92d1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/mellanox/mlx5/core/lag/mpesw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.7","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","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/mellanox/mlx5/core/lag/mpesw.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/68cdbe498da8475cfd49591954e3db8fc6582eda"},{"url":"https://git.kernel.org/stable/c/6a802de97a8bf8d5f1e4a048c67de9a8c2d2f9eb"},{"url":"https://git.kernel.org/stable/c/4d720c6c60e1852253b68aeee3044ebed5243adb"},{"url":"https://git.kernel.org/stable/c/d4b85f9a668b9c44216bb78daf4ec1a915cc92d1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-28T06:49:09.277Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}