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{"bugzilla": {"description": "kernel: ipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions", "id": "2282506", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2282506"}, "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-125", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nipv6: fix another slab-out-of-bounds in fib6_nh_flush_exceptions\nWhile running the self-tests on a KASAN enabled kernel, I observed a\nslab-out-of-bounds splat very similar to the one reported in\ncommit 821bbf79fe46 (\"ipv6: Fix KASAN: slab-out-of-bounds Read in\nfib6_nh_flush_exceptions\").\nWe additionally need to take care of fib6_metrics initialization\nfailure when the caller provides an nh.\nThe fix is similar, explicitly free the route instead of calling\nfib6_info_release on a half-initialized object."], "name": "CVE-2021-47291", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "2024-05-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-47291\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-47291\nhttps://lore.kernel.org/linux-cve-announce/2024052123-CVE-2021-47291-8eb9@gregkh/T"], "threat_severity": "Low", "upstream_fix": "kernel 5.4.136, kernel 5.10.54, kernel 5.13.6, kernel 5.14"}