{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64598", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.799Z", "datePublished": "2026-08-06T07:13:52.716Z", "dateUpdated": "2026-08-06T07:13:52.716Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-06T07:13:52.716Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsmb/client: Fix error code in smb2_aead_req_alloc()\n\nThe \"*num_sgs\" variable is a u32 so \"ERR_PTR(*num_sgs)\" doesn't work.\nWe would have to do something similar to the previous line where it's\ncast to int and then long. However, it's simpler to store the return in\nan int ret variable.\n\nThis bug would eventually result in a crash when dereference the invalid\nerror pointer."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/client/smb2ops.c"], "versions": [{"version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2", "lessThan": "aa37f5fef78dd11cbf983269da2031e12625c56d", "status": "affected", "versionType": "git"}, {"version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2", "lessThan": "cad756733dc3985188983f3e2eb77e2927209099", "status": "affected", "versionType": "git"}, {"version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2", "lessThan": "a187883cc1dc784a4d32537f5d316f1b7b9ad76f", "status": "affected", "versionType": "git"}, {"version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2", "lessThan": "a1cc432cb0b0a1f74f98a0db3b94ca880c7947ac", "status": "affected", "versionType": "git"}, {"version": "d08089f649a0cfb2099c8551ac47eef0cc23fdf2", "lessThan": "61f28012e5650c619223decdb7970e0d3162e949", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["fs/smb/client/smb2ops.c"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "6.3", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/aa37f5fef78dd11cbf983269da2031e12625c56d"}, {"url": "https://git.kernel.org/stable/c/cad756733dc3985188983f3e2eb77e2927209099"}, {"url": "https://git.kernel.org/stable/c/a187883cc1dc784a4d32537f5d316f1b7b9ad76f"}, {"url": "https://git.kernel.org/stable/c/a1cc432cb0b0a1f74f98a0db3b94ca880c7947ac"}, {"url": "https://git.kernel.org/stable/c/61f28012e5650c619223decdb7970e0d3162e949"}], "title": "smb/client: Fix error code in smb2_aead_req_alloc()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d08089f649a0cfb2099c8551ac47eef0cc23fdf2,aa37f5fef78dd11cbf983269da2031e12625c56d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d08089f649a0cfb2099c8551ac47eef0cc23fdf2,cad756733dc3985188983f3e2eb77e2927209099)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d08089f649a0cfb2099c8551ac47eef0cc23fdf2,a187883cc1dc784a4d32537f5d316f1b7b9ad76f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d08089f649a0cfb2099c8551ac47eef0cc23fdf2,a1cc432cb0b0a1f74f98a0db3b94ca880c7947ac)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[d08089f649a0cfb2099c8551ac47eef0cc23fdf2,61f28012e5650c619223decdb7970e0d3162e949)"}}], "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": "6.3"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.96,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc1,*]"}}], "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": "2026-08-06T09:00:11.341850+00:00", "updated": "2026-08-06T10:00:05.755413+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-682"]}