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{"bugzilla": {"description": "glibc: NULL pointer dereference in helper_thread() in mq_notify.c while handling NOTIFY_REMOVED messages", "id": "1993517", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1993517"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In librt in the GNU C Library (aka glibc) through 2.34, sysdeps/unix/sysv/linux/mq_notify.c mishandles certain NOTIFY_REMOVED data, leading to a NULL pointer dereference. NOTE: this vulnerability was introduced as a side effect of the CVE-2021-33574 fix.", "A flaw was found in the GNU C library (glibc), where the sysdeps/unix/sysv/linux/mq_notify.c function mishandles certain NOTIFY_REMOVED data, leading to a NULL pointer dereference. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-38604", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "compat-glibc", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "compat-glibc", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-08-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-38604\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-38604"], "statement": "This vulnerability was introduced as a side effect of the fix for CVE-2021-33574. No version of Red Hat Enterprise Linux included the version of the fix for CVE-2021-33574 introducing this issue and are therefore not affected by this issue.", "threat_severity": "Moderate"}