{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49133", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.267Z", "datePublished": "2025-02-26T01:55:07.722Z", "dateUpdated": "2025-05-04T08:30:42.301Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:30:42.301Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: svm range restore work deadlock when process exit\n\nkfd_process_notifier_release flush svm_range_restore_work\nwhich calls svm_range_list_lock_and_flush_work to flush deferred_list\nwork, but if deferred_list work mmput release the last user, it will\ncall exit_mmap -> notifier_release, it is deadlock with below backtrace.\n\nMove flush svm_range_restore_work to kfd_process_wq_release to avoid\ndeadlock. Then svm_range_restore_work take task->mm ref to avoid mm is\ngone while validating and mapping ranges to GPU.\n\nWorkqueue: events svm_range_deferred_list_work [amdgpu]\nCall Trace:\n wait_for_completion+0x94/0x100\n __flush_work+0x12a/0x1e0\n __cancel_work_timer+0x10e/0x190\n cancel_delayed_work_sync+0x13/0x20\n kfd_process_notifier_release+0x98/0x2a0 [amdgpu]\n __mmu_notifier_release+0x74/0x1f0\n exit_mmap+0x170/0x200\n mmput+0x5d/0x130\n svm_range_deferred_list_work+0x104/0x230 [amdgpu]\n process_one_work+0x220/0x3c0"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/amd/amdkfd/kfd_process.c", "drivers/gpu/drm/amd/amdkfd/kfd_svm.c"], "versions": [{"version": "42de677f79999791bee4e21be318c32d90ab62c6", "lessThan": "a6be83086e91891081e0589e4b4645bf4643e897", "status": "affected", "versionType": "git"}, {"version": "42de677f79999791bee4e21be318c32d90ab62c6", "lessThan": "858822905f4bf44100d63c5e22e263109976f7cb", "status": "affected", "versionType": "git"}, {"version": "42de677f79999791bee4e21be318c32d90ab62c6", "lessThan": "6225bb3a88d22594aacea2485dc28ca12d596721", "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/gpu/drm/amd/amdkfd/kfd_process.c", "drivers/gpu/drm/amd/amdkfd/kfd_svm.c"], "versions": [{"version": "5.14", "status": "affected"}, {"version": "0", "lessThan": "5.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.16.20", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.17.3", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18", "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": "5.16.20"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.17.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.14", "versionEndExcluding": "5.18"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a6be83086e91891081e0589e4b4645bf4643e897"}, {"url": "https://git.kernel.org/stable/c/858822905f4bf44100d63c5e22e263109976f7cb"}, {"url": "https://git.kernel.org/stable/c/6225bb3a88d22594aacea2485dc28ca12d596721"}], "title": "drm/amdkfd: svm range restore work deadlock when process exit", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: svm range restore work deadlock when process exit\n\nkfd_process_notifier_release flush svm_range_restore_work\nwhich calls svm_range_list_lock_and_flush_work to flush deferred_list\nwork, but if deferred_list work mmput release the last user, it will\ncall exit_mmap -> notifier_release, it is deadlock with below backtrace.\n\nMove flush svm_range_restore_work to kfd_process_wq_release to avoid\ndeadlock. Then svm_range_restore_work take task->mm ref to avoid mm is\ngone while validating and mapping ranges to GPU.\n\nWorkqueue: events svm_range_deferred_list_work [amdgpu]\nCall Trace:\n wait_for_completion+0x94/0x100\n __flush_work+0x12a/0x1e0\n __cancel_work_timer+0x10e/0x190\n cancel_delayed_work_sync+0x13/0x20\n kfd_process_notifier_release+0x98/0x2a0 [amdgpu]\n __mmu_notifier_release+0x74/0x1f0\n exit_mmap+0x170/0x200\n mmput+0x5d/0x130\n svm_range_deferred_list_work+0x104/0x230 [amdgpu]\n process_one_work+0x220/0x3c0"}], "id": "CVE-2022-49133", "lastModified": "2025-02-26T07:00:50.590", "metrics": {}, "published": "2025-02-26T07:00:50.590", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6225bb3a88d22594aacea2485dc28ca12d596721"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/858822905f4bf44100d63c5e22e263109976f7cb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a6be83086e91891081e0589e4b4645bf4643e897"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/amdkfd: svm range restore work deadlock when process exit", "id": "2347957", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347957"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdkfd: svm range restore work deadlock when process exit\nkfd_process_notifier_release flush svm_range_restore_work\nwhich calls svm_range_list_lock_and_flush_work to flush deferred_list\nwork, but if deferred_list work mmput release the last user, it will\ncall exit_mmap -> notifier_release, it is deadlock with below backtrace.\nMove flush svm_range_restore_work to kfd_process_wq_release to avoid\ndeadlock. Then svm_range_restore_work take task->mm ref to avoid mm is\ngone while validating and mapping ranges to GPU.\nWorkqueue: events svm_range_deferred_list_work [amdgpu]\nCall Trace:\nwait_for_completion+0x94/0x100\n__flush_work+0x12a/0x1e0\n__cancel_work_timer+0x10e/0x190\ncancel_delayed_work_sync+0x13/0x20\nkfd_process_notifier_release+0x98/0x2a0 [amdgpu]\n__mmu_notifier_release+0x74/0x1f0\nexit_mmap+0x170/0x200\nmmput+0x5d/0x130\nsvm_range_deferred_list_work+0x104/0x230 [amdgpu]\nprocess_one_work+0x220/0x3c0"], "name": "CVE-2022-49133", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49133\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49133\nhttps://lore.kernel.org/linux-cve-announce/2025022606-CVE-2022-49133-d5c9@gregkh/T"], "threat_severity": "Low"}