{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-56695", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-12-27T15:00:39.850Z", "datePublished": "2024-12-28T09:46:19.468Z", "dateUpdated": "2025-05-04T10:02:33.454Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T10:02:33.454Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Use dynamic allocation for CU occupancy array in 'kfd_get_cu_occupancy()'\n\nThe `kfd_get_cu_occupancy` function previously declared a large\n`cu_occupancy` array as a local variable, which could lead to stack\noverflows due to excessive stack usage. This commit replaces the static\narray allocation with dynamic memory allocation using `kcalloc`,\nthereby reducing the stack size.\n\nThis change avoids the risk of stack overflows in kernel space, in\nscenarios where `AMDGPU_MAX_QUEUES` is large. The allocated memory is\nfreed using `kfree` before the function returns to prevent memory\nleaks.\n\nFixes the below with gcc W=1:\ndrivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c: In function \u2018kfd_get_cu_occupancy\u2019:\ndrivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:322:1: warning: the frame size of 1056 bytes is larger than 1024 bytes [-Wframe-larger-than=]\n 322 | }\n | ^"}], "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"], "versions": [{"version": "6ae9e1aba97e4cdaa31a0bfdc07497ad0e915c84", "lessThan": "6d9f07196389f35a3afebcf1a12c1425725caddd", "status": "affected", "versionType": "git"}, {"version": "6ae9e1aba97e4cdaa31a0bfdc07497ad0e915c84", "lessThan": "922f0e00017b09d9d47e3efac008c8b20ed546a0", "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"], "versions": [{"version": "6.12", "status": "affected"}, {"version": "0", "lessThan": "6.12", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.2", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.13", "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": "6.12", "versionEndExcluding": "6.12.2"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.12", "versionEndExcluding": "6.13"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6d9f07196389f35a3afebcf1a12c1425725caddd"}, {"url": "https://git.kernel.org/stable/c/922f0e00017b09d9d47e3efac008c8b20ed546a0"}], "title": "drm/amdkfd: Use dynamic allocation for CU occupancy array in 'kfd_get_cu_occupancy()'", "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: Use dynamic allocation for CU occupancy array in 'kfd_get_cu_occupancy()'\n\nThe `kfd_get_cu_occupancy` function previously declared a large\n`cu_occupancy` array as a local variable, which could lead to stack\noverflows due to excessive stack usage. This commit replaces the static\narray allocation with dynamic memory allocation using `kcalloc`,\nthereby reducing the stack size.\n\nThis change avoids the risk of stack overflows in kernel space, in\nscenarios where `AMDGPU_MAX_QUEUES` is large. The allocated memory is\nfreed using `kfree` before the function returns to prevent memory\nleaks.\n\nFixes the below with gcc W=1:\ndrivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c: In function \u2018kfd_get_cu_occupancy\u2019:\ndrivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:322:1: warning: the frame size of 1056 bytes is larger than 1024 bytes [-Wframe-larger-than=]\n 322 | }\n | ^"}], "id": "CVE-2024-56695", "lastModified": "2024-12-28T10:15:15.533", "metrics": {}, "published": "2024-12-28T10:15:15.533", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6d9f07196389f35a3afebcf1a12c1425725caddd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/922f0e00017b09d9d47e3efac008c8b20ed546a0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: drm/amdkfd: Use dynamic allocation for CU occupancy array in 'kfd_get_cu_occupancy()'", "id": "2334688", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2334688"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ndrm/amdkfd: Use dynamic allocation for CU occupancy array in 'kfd_get_cu_occupancy()'\nThe `kfd_get_cu_occupancy` function previously declared a large\n`cu_occupancy` array as a local variable, which could lead to stack\noverflows due to excessive stack usage. This commit replaces the static\narray allocation with dynamic memory allocation using `kcalloc`,\nthereby reducing the stack size.\nThis change avoids the risk of stack overflows in kernel space, in\nscenarios where `AMDGPU_MAX_QUEUES` is large. The allocated memory is\nfreed using `kfree` before the function returns to prevent memory\nleaks.\nFixes the below with gcc W=1:\ndrivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c: In function \u2018kfd_get_cu_occupancy\u2019:\ndrivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_process.c:322:1: warning: the frame size of 1056 bytes is larger than 1024 bytes [-Wframe-larger-than=]\n322 | }\n| ^"], "name": "CVE-2024-56695", "package_state": [{"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": "2024-12-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-56695\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-56695\nhttps://lore.kernel.org/linux-cve-announce/2024122835-CVE-2024-56695-110a@gregkh/T"], "threat_severity": "Important"}