{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45908", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.084Z", "datePublished": "2026-05-27T12:17:22.048Z", "dateUpdated": "2026-05-27T12:17:22.048Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-27T12:17:22.048Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix memory leak in amdxdna_ubuf_map\n\nThe amdxdna_ubuf_map() function allocates memory for sg and\ninternal sg table structures, but it fails to free them if subsequent\noperations (sg_alloc_table_from_pages or dma_map_sgtable) fail."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/accel/amdxdna/amdxdna_ubuf.c"], "versions": [{"version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "lessThan": "5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a", "status": "affected", "versionType": "git"}, {"version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "lessThan": "f9f4366d2ff93b07c2571561c776bd9a708078c3", "status": "affected", "versionType": "git"}, {"version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "lessThan": "84dd57fb0359500092f1101409ca32091731490d", "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/accel/amdxdna/amdxdna_ubuf.c"], "versions": [{"version": "6.18", "status": "affected"}, {"version": "0", "lessThan": "6.18", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.14", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.4", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "6.18", "versionEndExcluding": "6.18.14"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "6.19.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.18", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a"}, {"url": "https://git.kernel.org/stable/c/f9f4366d2ff93b07c2571561c776bd9a708078c3"}, {"url": "https://git.kernel.org/stable/c/84dd57fb0359500092f1101409ca32091731490d"}], "title": "accel/amdxdna: Fix memory leak in amdxdna_ubuf_map", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/accel/amdxdna/amdxdna_ubuf.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a", "status": "affected", "version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "versionType": "git"}, {"lessThan": "f9f4366d2ff93b07c2571561c776bd9a708078c3", "status": "affected", "version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "versionType": "git"}, {"lessThan": "84dd57fb0359500092f1101409ca32091731490d", "status": "affected", "version": "bd72d4acda1069579b35123e3cc0b21ec1193a21", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/accel/amdxdna/amdxdna_ubuf.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.18"}, {"lessThan": "6.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.14", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\naccel/amdxdna: Fix memory leak in amdxdna_ubuf_map\n\nThe amdxdna_ubuf_map() function allocates memory for sg and\ninternal sg table structures, but it fails to free them if subsequent\noperations (sg_alloc_table_from_pages or dma_map_sgtable) fail."}], "id": "CVE-2026-45908", "lastModified": "2026-06-17T10:52:42.640", "metrics": {}, "published": "2026-05-27T14:17:05.350", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5a68d2c99c859e6e8e36fa4e32749abf6d1fb66a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/84dd57fb0359500092f1101409ca32091731490d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f9f4366d2ff93b07c2571561c776bd9a708078c3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: accel/amdxdna: Fix memory leak in amdxdna_ubuf_map", "id": "2482001", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482001"}, "csaw": false, "cwe": "CWE-772", "details": ["A flaw was found in the Linux kernel's accel/amdxdna component. The `amdxdna_ubuf_map` function allocates memory for scatter-gather (SG) and internal SG table structures. However, it fails to free this allocated memory if subsequent operations, such as `sg_alloc_table_from_pages` or `dma_map_sgtable`, encounter an error. This memory leak can be triggered by a local attacker, potentially leading to system instability or a Denial of Service (DoS) due to excessive memory consumption."], "name": "CVE-2026-45908", "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": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-45908\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-45908\nhttps://lore.kernel.org/linux-cve-announce/2026052721-CVE-2026-45908-3045@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bd72d4acda1069579b35123e3cc0b21ec1193a21,5a68d2c99c859e6e36fa4e32749abf6d1fb66a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bd72d4acda1069579b35123e3cc0b21ec1193a21,f9f4366d2ff93b07c2571561c776bd9a708078c3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[bd72d4acda1069579b35123e3cc0b21ec1193a21,84dd57fb0359500092f1101409ca32091731490d)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.18"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.18)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.14,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.19.4,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.0,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-05-27T16:45:38.115869+00:00", "updated": "2026-05-28T14:15:19.157803+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-401", "CWE-672", "CWE-772"]}