| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niommu/tegra241-cmdqv: Fix warnings due to dmam_free_coherent()\n\nTwo WARNINGs are observed when SMMU driver rolls back upon failure:\n arm-smmu-v3.9.auto: Failed to register iommu\n arm-smmu-v3.9.auto: probe with driver arm-smmu-v3 failed with error -22\n ------------[ cut here ]------------\n WARNING: CPU: 5 PID: 1 at kernel/dma/mapping.c:74 dmam_free_coherent+0xc0/0xd8\n Call trace:\n dmam_free_coherent+0xc0/0xd8 (P)\n tegra241_vintf_free_lvcmdq+0x74/0x188\n tegra241_cmdqv_remove_vintf+0x60/0x148\n tegra241_cmdqv_remove+0x48/0xc8\n arm_smmu_impl_remove+0x28/0x60\n devm_action_release+0x1c/0x40\n ------------[ cut here ]------------\n 128 pages are still in use!\n WARNING: CPU: 16 PID: 1 at mm/page_alloc.c:6902 free_contig_range+0x18c/0x1c8\n Call trace:\n free_contig_range+0x18c/0x1c8 (P)\n cma_release+0x154/0x2f0\n dma_free_contiguous+0x38/0xa0\n dma_direct_free+0x10c/0x248\n dma_free_attrs+0x100/0x290\n dmam_free_coherent+0x78/0xd8\n tegra241_vintf_free_lvcmdq+0x74/0x160\n tegra241_cmdqv_remove+0x98/0x198\n arm_smmu_impl_remove+0x28/0x60\n devm_action_release+0x1c/0x40\n\nThis is because the LVCMDQ queue memory are managed by devres, while that\ndmam_free_coherent() is called in the context of devm_action_release().\n\nJason pointed out that \"arm_smmu_impl_probe() has mis-ordered the devres\ncallbacks if ops->device_remove() is going to be manually freeing things\nthat probe allocated\":\nhttps://lore.kernel.org/linux-iommu/20250407174408.GB1722458@nvidia.com/\n\nIn fact, tegra241_cmdqv_init_structures() only allocates memory resources\nwhich means any failure that it generates would be similar to -ENOMEM, so\nthere is no point in having that \"falling back to standard SMMU\" routine,\nas the standard SMMU would likely fail to allocate memory too.\n\nRemove the unwind part in tegra241_cmdqv_init_structures(), and return a\nproper error code to ask SMMU driver to call tegra241_cmdqv_remove() via\nimpl_ops->device_remove(). Then, drop tegra241_vintf_free_lvcmdq() since\ndevres will take care of that." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "drivers/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c" |
| ], |
| "versions": [ |
| { |
| "version": "483e0bd8883a40fd3dd3193997a4014337698d72", |
| "lessThan": "e5dd974d6e00704553308ef1a88659f8dcfb39d4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "483e0bd8883a40fd3dd3193997a4014337698d72", |
| "lessThan": "5584dbf393df509159813645a487b1ef76557722", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "483e0bd8883a40fd3dd3193997a4014337698d72", |
| "lessThan": "e38ed6908080047d8fa1763d1da86b584f9eb55b", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "483e0bd8883a40fd3dd3193997a4014337698d72", |
| "lessThan": "767e22001dfce64cc03b7def1562338591ab6031", |
| "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/iommu/arm/arm-smmu-v3/tegra241-cmdqv.c" |
| ], |
| "versions": [ |
| { |
| "version": "6.12", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "6.12", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.12.24", |
| "lessThanOrEqual": "6.12.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.13.12", |
| "lessThanOrEqual": "6.13.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.14.3", |
| "lessThanOrEqual": "6.14.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.15", |
| "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": "6.12.24" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12", |
| "versionEndExcluding": "6.13.12" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12", |
| "versionEndExcluding": "6.14.3" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "6.12", |
| "versionEndExcluding": "6.15" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/e5dd974d6e00704553308ef1a88659f8dcfb39d4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/5584dbf393df509159813645a487b1ef76557722" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/e38ed6908080047d8fa1763d1da86b584f9eb55b" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/767e22001dfce64cc03b7def1562338591ab6031" |
| } |
| ], |
| "title": "iommu/tegra241-cmdqv: Fix warnings due to dmam_free_coherent()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2025-37837", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
