CVE-2026-82474

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{"bugzilla": {"description": "sudo: Sudo: Policy bypass allows unauthorized program execution via execveat", "id": "2525889", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525889"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1220", "details": ["A flaw was found in Sudo. This vulnerability allows users who are permitted to run specific commands to bypass security policy checks when using the `execveat` system call in ptrace-based intercept mode. By directly calling `execveat` or `fexecve`, an attacker can execute programs that would otherwise be denied, thereby circumventing policy enforcement and logging mechanisms."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, disable the ptrace-based intercept mode in the `sudoers` configuration. Add `Defaults !intercept` to `/etc/sudoers` or a file within `/etc/sudoers.d/`. This action may affect advanced `sudo` policy enforcement or logging features that rely on ptrace-based interception. Always validate `sudoers` file changes with `visudo` to prevent system lockout."}, "name": "CVE-2026-82474", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "sudo", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Affected", "package_name": "sudo", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "sudo", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "sudo", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "sudo", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "sudo", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-08-29T16:35:33Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-82474\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-82474\nhttps://github.com/sudo-project/sudo\nhttps://github.com/sudo-project/sudo/blob/v1.9.17p2/src/exec_ptrace.c\nhttps://github.com/sudo-project/sudo/commit/71fbe42dcd5a1c8f799540583a2dfb2ae6221edf\nhttps://www.vulncheck.com/advisories/sudo-through-1.9-17p2-intercept-policy-bypass-via-execveat"], "statement": "This vulnerability in Sudo allows a local attacker, already authorized to run specific commands, to bypass configured policy restrictions. By directly invoking `execveat` or `fexecve` when Sudo is operating in ptrace-based intercept mode, an attacker can execute programs otherwise denied by `sudo` policies. This undermines granular access control and could lead to unauthorized command execution on affected Red Hat systems.", "threat_severity": "Important"}

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