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{"bugzilla": {"description": "kernel: pseries/papr-hvpipe: Prevent kernel stack memory leak to userspace", "id": "2482578", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482578"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-908", "details": ["A flaw was found in the Linux kernel, specifically within the pseries/papr-hvpipe module. This vulnerability could allow a local user to gain access to uninitialized kernel stack memory. The issue arises because certain padding bytes in a data structure are not cleared before being sent to userspace, potentially leading to the disclosure of sensitive information."], "name": "CVE-2026-46182", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46182\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46182\nhttps://lore.kernel.org/linux-cve-announce/2026052829-CVE-2026-46182-71eb@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cebdb522fd3edd1fe05f7b4a74a27da7dd0f8d86,0479b6e9f999cc1cbad7d9f09f574fc387e605d5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cebdb522fd3edd1fe05f7b4a74a27da7dd0f8d86,f88f8e4485b437e0a2f96a7ff1f88aa22d925659)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[cebdb522fd3edd1fe05f7b4a74a27da7dd0f8d86,cefeed44296261173a806bef988b26bc565da4be)"}}], "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": "semver", "value": "[6.18.30,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.7,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1-rc3,*]"}}], "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": "2026-05-28T12:45:06.859186+00:00", "updated": "2026-06-11T06:30:09.421166+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}