CVE-2022-49791

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{"bugzilla": {"description": "kernel: io_uring: fix multishot accept request leaks", "id": "2363403", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363403"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.1", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nio_uring: fix multishot accept request leaks\nHaving REQ_F_POLLED set doesn't guarantee that the request is\nexecuted as a multishot from the polling path. Fortunately for us, if\nthe code thinks it's multishot issue when it's not, it can only ask to\nskip completion so leaking the request. Use issue_flags to mark\nmultipoll issues."], "name": "CVE-2022-49791", "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": "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": "2025-05-01T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49791\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49791\nhttps://lore.kernel.org/linux-cve-announce/2025050122-CVE-2022-49791-3e63@gregkh/T"], "statement": "A memory leak in io_uring's multishot accept implementation could result in resource exhaustion if abused repeatedly. This issue does not allow privilege escalation or data leakage, but may impact system stability over time.", "threat_severity": "Moderate"}

{"created": "2025-06-23T09:16:30.395197+00:00", "updated": "2025-06-23T09:16:30.395247+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}