{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49806","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-05-01T14:05:17.225Z","datePublished":"2025-05-01T14:09:32.854Z","dateUpdated":"2026-05-11T19:07:09.079Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:07:09.079Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: microchip: sparx5: Fix potential null-ptr-deref in sparx_stats_init() and sparx5_start()\n\nsparx_stats_init() calls create_singlethread_workqueue() and not\nchecked the ret value, which may return NULL. And a null-ptr-deref may\nhappen:\n\nsparx_stats_init()\n    create_singlethread_workqueue() # failed, sparx5->stats_queue is NULL\n    queue_delayed_work()\n        queue_delayed_work_on()\n            __queue_delayed_work()  # warning here, but continue\n                __queue_work()      # access wq->flags, null-ptr-deref\n\nCheck the ret value and return -ENOMEM if it is NULL. So as\nsparx5_start()."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microchip/sparx5/sparx5_ethtool.c","drivers/net/ethernet/microchip/sparx5/sparx5_main.c"],"versions":[{"version":"b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2","lessThan":"80e590aeb132887102c3fa79d99b338f099dc952","status":"affected","versionType":"git"},{"version":"b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2","lessThan":"456327e565dc49d18b2f595f39f47df8a36f1057","status":"affected","versionType":"git"},{"version":"b37a1bae742f92cc9b1f777d54e04ee3d86bbfc2","lessThan":"639f5d006e36bb303f525d9479448c412b720c39","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microchip/sparx5/sparx5_ethtool.c","drivers/net/ethernet/microchip/sparx5/sparx5_main.c"],"versions":[{"version":"5.14","status":"affected"},{"version":"0","lessThan":"5.14","status":"unaffected","versionType":"semver"},{"version":"5.15.80","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.0.10","lessThanOrEqual":"6.0.*","status":"unaffected","versionType":"semver"},{"version":"6.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"5.15.80"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.14","versionEndExcluding":"6.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/80e590aeb132887102c3fa79d99b338f099dc952"},{"url":"https://git.kernel.org/stable/c/456327e565dc49d18b2f595f39f47df8a36f1057"},{"url":"https://git.kernel.org/stable/c/639f5d006e36bb303f525d9479448c412b720c39"}],"title":"net: microchip: sparx5: Fix potential null-ptr-deref in sparx_stats_init() and sparx5_start()","x_generator":{"engine":"bippy-1.2.0"}}}}