{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2022-48675","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-25T13:44:28.322Z","datePublished":"2024-05-03T14:52:06.518Z","dateUpdated":"2025-05-04T08:21:02.482Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T08:21:02.482Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nIB/core: Fix a nested dead lock as part of ODP flow\n\nFix a nested dead lock as part of ODP flow by using mmput_async().\n\nFrom the below call trace [1] can see that calling mmput() once we have\nthe umem_odp->umem_mutex locked as required by\nib_umem_odp_map_dma_and_lock() might trigger in the same task the\nexit_mmap()->__mmu_notifier_release()->mlx5_ib_invalidate_range() which\nmay dead lock when trying to lock the same mutex.\n\nMoving to use mmput_async() will solve the problem as the above\nexit_mmap() flow will be called in other task and will be executed once\nthe lock will be available.\n\n[1]\n[64843.077665] task:kworker/u133:2  state:D stack:    0 pid:80906 ppid:\n2 flags:0x00004000\n[64843.077672] Workqueue: mlx5_ib_page_fault mlx5_ib_eqe_pf_action [mlx5_ib]\n[64843.077719] Call Trace:\n[64843.077722]  <TASK>\n[64843.077724]  __schedule+0x23d/0x590\n[64843.077729]  schedule+0x4e/0xb0\n[64843.077735]  schedule_preempt_disabled+0xe/0x10\n[64843.077740]  __mutex_lock.constprop.0+0x263/0x490\n[64843.077747]  __mutex_lock_slowpath+0x13/0x20\n[64843.077752]  mutex_lock+0x34/0x40\n[64843.077758]  mlx5_ib_invalidate_range+0x48/0x270 [mlx5_ib]\n[64843.077808]  __mmu_notifier_release+0x1a4/0x200\n[64843.077816]  exit_mmap+0x1bc/0x200\n[64843.077822]  ? walk_page_range+0x9c/0x120\n[64843.077828]  ? __cond_resched+0x1a/0x50\n[64843.077833]  ? mutex_lock+0x13/0x40\n[64843.077839]  ? uprobe_clear_state+0xac/0x120\n[64843.077860]  mmput+0x5f/0x140\n[64843.077867]  ib_umem_odp_map_dma_and_lock+0x21b/0x580 [ib_core]\n[64843.077931]  pagefault_real_mr+0x9a/0x140 [mlx5_ib]\n[64843.077962]  pagefault_mr+0xb4/0x550 [mlx5_ib]\n[64843.077992]  pagefault_single_data_segment.constprop.0+0x2ac/0x560\n[mlx5_ib]\n[64843.078022]  mlx5_ib_eqe_pf_action+0x528/0x780 [mlx5_ib]\n[64843.078051]  process_one_work+0x22b/0x3d0\n[64843.078059]  worker_thread+0x53/0x410\n[64843.078065]  ? process_one_work+0x3d0/0x3d0\n[64843.078073]  kthread+0x12a/0x150\n[64843.078079]  ? set_kthread_struct+0x50/0x50\n[64843.078085]  ret_from_fork+0x22/0x30\n[64843.078093]  </TASK>"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/infiniband/core/umem_odp.c","kernel/fork.c"],"versions":[{"version":"36f30e486dce22345c2dd3a3ba439c12cd67f6ba","lessThan":"e8de6cb5755eae7b793d8c00c8696c8667d44a7f","status":"affected","versionType":"git"},{"version":"36f30e486dce22345c2dd3a3ba439c12cd67f6ba","lessThan":"819110054b14d7272b4188db997a3d80f75ab785","status":"affected","versionType":"git"},{"version":"36f30e486dce22345c2dd3a3ba439c12cd67f6ba","lessThan":"83c43fd872e32c8071d5582eb7c40f573a8342f3","status":"affected","versionType":"git"},{"version":"36f30e486dce22345c2dd3a3ba439c12cd67f6ba","lessThan":"85eaeb5058f0f04dffb124c97c86b4f18db0b833","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/infiniband/core/umem_odp.c","kernel/fork.c"],"versions":[{"version":"5.10","status":"affected"},{"version":"0","lessThan":"5.10","status":"unaffected","versionType":"semver"},{"version":"5.10.143","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.68","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.19.9","lessThanOrEqual":"5.19.*","status":"unaffected","versionType":"semver"},{"version":"6.0","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":"5.10","versionEndExcluding":"5.10.143"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.15.68"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"5.19.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/e8de6cb5755eae7b793d8c00c8696c8667d44a7f"},{"url":"https://git.kernel.org/stable/c/819110054b14d7272b4188db997a3d80f75ab785"},{"url":"https://git.kernel.org/stable/c/83c43fd872e32c8071d5582eb7c40f573a8342f3"},{"url":"https://git.kernel.org/stable/c/85eaeb5058f0f04dffb124c97c86b4f18db0b833"}],"title":"IB/core: Fix a nested dead lock as part of ODP flow","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2022-48675","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-31T18:55:21.563051Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:16:38.659Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-03T15:17:55.742Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/e8de6cb5755eae7b793d8c00c8696c8667d44a7f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/819110054b14d7272b4188db997a3d80f75ab785","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/83c43fd872e32c8071d5582eb7c40f573a8342f3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/85eaeb5058f0f04dffb124c97c86b4f18db0b833","tags":["x_transferred"]}]}]}}