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{"bugzilla": {"description": "kernel: bpf: Add schedule points in batch ops", "id": "2307195", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2307195"}, "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-834", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nbpf: Add schedule points in batch ops\nsyzbot reported various soft lockups caused by bpf batch operations.\nINFO: task kworker/1:1:27 blocked for more than 140 seconds.\nINFO: task hung in rcu_barrier\nNothing prevents batch ops to process huge amount of data,\nwe need to add schedule points in them.\nNote that maybe_wait_bpf_programs(map) calls from\ngeneric_map_delete_batch() can be factorized by moving\nthe call after the loop.\nThis will be done later in -next tree once we get this fix merged,\nunless there is strong opinion doing this optimization sooner."], "name": "CVE-2022-48939", "package_state": [{"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": "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": "Will not fix", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2024-08-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-48939\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-48939\nhttps://lore.kernel.org/linux-cve-announce/2024082226-CVE-2022-48939-ff01@gregkh/T"], "threat_severity": "Moderate"}