{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50454", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-01T11:38:45.640Z", "datePublished": "2025-10-01T11:45:27.337Z", "dateUpdated": "2025-10-01T11:45:27.337Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-01T11:45:27.337Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: fix a use-after-free in nouveau_gem_prime_import_sg_table()\n\nnouveau_bo_init() is backed by ttm_bo_init() and ferries its return code\nback to the caller. On failures, ttm will call nouveau_bo_del_ttm() and\nfree the memory.Thus, when nouveau_bo_init() returns an error, the gem\nobject has already been released. Then the call to nouveau_bo_ref() will\nuse the freed \"nvbo->bo\" and lead to a use-after-free bug.\n\nWe should delete the call to nouveau_bo_ref() to avoid the use-after-free."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/nouveau/nouveau_prime.c"], "versions": [{"version": "019cbd4a4feb3aa3a917d78e7110e3011bbff6d5", "lessThan": "56ee9577915dc06f55309901012a9ef68dbdb5a8", "status": "affected", "versionType": "git"}, {"version": "019cbd4a4feb3aa3a917d78e7110e3011bbff6d5", "lessThan": "5d6093c49c098d86c7b136aba9922df44aeb6944", "status": "affected", "versionType": "git"}, {"version": "019cbd4a4feb3aa3a917d78e7110e3011bbff6d5", "lessThan": "861f085f81fd569b02cc2c11165a9e6cca144424", "status": "affected", "versionType": "git"}, {"version": "019cbd4a4feb3aa3a917d78e7110e3011bbff6d5", "lessThan": "3aeda2fe6517cc52663d4ce3588dd43f0d4124a7", "status": "affected", "versionType": "git"}, {"version": "019cbd4a4feb3aa3a917d78e7110e3011bbff6d5", "lessThan": "7d80473e9f12548ac05b36af4fb9ce80f2f73509", "status": "affected", "versionType": "git"}, {"version": "019cbd4a4feb3aa3a917d78e7110e3011bbff6d5", "lessThan": "540dfd188ea2940582841c1c220bd035a7db0e51", "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/nouveau/nouveau_prime.c"], "versions": [{"version": "5.4", "status": "affected"}, {"version": "0", "lessThan": "5.4", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.220", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.150", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.75", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.17", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.3", "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": "5.4", "versionEndExcluding": "5.4.220"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.10.150"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.15.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "5.19.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.0.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.4", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/56ee9577915dc06f55309901012a9ef68dbdb5a8"}, {"url": "https://git.kernel.org/stable/c/5d6093c49c098d86c7b136aba9922df44aeb6944"}, {"url": "https://git.kernel.org/stable/c/861f085f81fd569b02cc2c11165a9e6cca144424"}, {"url": "https://git.kernel.org/stable/c/3aeda2fe6517cc52663d4ce3588dd43f0d4124a7"}, {"url": "https://git.kernel.org/stable/c/7d80473e9f12548ac05b36af4fb9ce80f2f73509"}, {"url": "https://git.kernel.org/stable/c/540dfd188ea2940582841c1c220bd035a7db0e51"}], "title": "drm/nouveau: fix a use-after-free in nouveau_gem_prime_import_sg_table()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/nouveau: fix a use-after-free in nouveau_gem_prime_import_sg_table()\n\nnouveau_bo_init() is backed by ttm_bo_init() and ferries its return code\nback to the caller. On failures, ttm will call nouveau_bo_del_ttm() and\nfree the memory.Thus, when nouveau_bo_init() returns an error, the gem\nobject has already been released. Then the call to nouveau_bo_ref() will\nuse the freed \"nvbo->bo\" and lead to a use-after-free bug.\n\nWe should delete the call to nouveau_bo_ref() to avoid the use-after-free."}], "id": "CVE-2022-50454", "lastModified": "2025-10-01T12:15:38.510", "metrics": {}, "published": "2025-10-01T12:15:38.510", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3aeda2fe6517cc52663d4ce3588dd43f0d4124a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/540dfd188ea2940582841c1c220bd035a7db0e51"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/56ee9577915dc06f55309901012a9ef68dbdb5a8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5d6093c49c098d86c7b136aba9922df44aeb6944"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7d80473e9f12548ac05b36af4fb9ce80f2f73509"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/861f085f81fd569b02cc2c11165a9e6cca144424"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}