{"id":"CVE-2022-1011","title":"A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write()","summary":"A use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-416","CWE-416"],"vendor":"redhat","product":"build_of_quarkus","affected":["linux_kernel >= 2.6.35, < 4.9.320","linux_kernel >= 4.10, < 4.14.276","linux_kernel >= 4.15, < 4.19.238","linux_kernel >= 4.20, < 5.4.185","linux_kernel >= 5.5, < 5.10.106","linux_kernel >= 5.11, < 5.15.29","linux_kernel >= 5.16, < 5.16.15","linux_kernel = 5.17","fedora = 34","fedora = 35","build_of_quarkus = 2.0","developer_tools = 1.0","enterprise_linux = 6.0","enterprise_linux = 7.0","enterprise_linux = 8.0","enterprise_linux_eus = 8.6","enterprise_linux_for_ibm_z_systems = 8.0","enterprise_linux_for_ibm_z_systems_eus = 8.6","enterprise_linux_for_power_little_endian = 8.0","enterprise_linux_for_power_little_endian_eus = 8.6","enterprise_linux_for_real_time = 8","enterprise_linux_for_real_time_for_nfv = 8","enterprise_linux_for_real_time_for_nfv_tus = 8.6","enterprise_linux_for_real_time_tus = 8.6","enterprise_linux_server_aus = 8.6","enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions = 8.6","enterprise_linux_server_tus = 8.6","enterprise_linux_server_update_services_for_sap_solutions = 8.6","virtualization_host = 4.0","codeready_linux_builder","h300s_firmware","h500s_firmware","h700s_firmware","h300e_firmware","h500e_firmware","h700e_firmware","h410s_firmware","h410c_firmware","debian_linux = 9.0","debian_linux = 10.0","communications_cloud_native_core_binding_support_function = 22.1.3"],"patched":["linux_kernel 5.16.15"],"published":"2022-03-18","updated":"2026-08-26","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2022-1011","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2064855","label":"secalert@redhat.com"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git/commit/?h=for-next","label":"secalert@redhat.com"},{"url":"https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html","label":"secalert@redhat.com"},{"url":"https://www.debian.org/security/2022/dsa-5173","label":"secalert@redhat.com"},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2064855","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse.git/commit/?h=for-next","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2022/dsa-5173","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.oracle.com/security-alerts/cpujul2022.html","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd","exploit-available"],"epss":0.01169,"epssPercentile":0.65537,"ingestedAt":"2026-08-26T18:47:53.552Z","exploits":{"github":1,"githubRepos":["https://github.com/xkaneiki/CVE-2022-1011"],"checkedAt":"2026-09-21T15:24:52.851Z"},"exploitAvailable":true,"slug":"CVE-2022-1011","body":"## Overview\n\nA use-after-free flaw was found in the Linux kernel’s FUSE filesystem in the way a user triggers write(). This flaw allows a local user to gain unauthorized access to data from the FUSE filesystem, resulting in privilege escalation.\n\n## Affected\n\n- `linux_kernel >= 2.6.35, < 4.9.320`\n- `linux_kernel >= 4.10, < 4.14.276`\n- `linux_kernel >= 4.15, < 4.19.238`\n- `linux_kernel >= 4.20, < 5.4.185`\n- `linux_kernel >= 5.5, < 5.10.106`\n- `linux_kernel >= 5.11, < 5.15.29`\n- `linux_kernel >= 5.16, < 5.16.15`\n- `linux_kernel = 5.17`\n- `fedora = 34`\n- `fedora = 35`\n- `build_of_quarkus = 2.0`\n- `developer_tools = 1.0`\n- `enterprise_linux = 6.0`\n- `enterprise_linux = 7.0`\n- `enterprise_linux = 8.0`\n- `enterprise_linux_eus = 8.6`\n- `enterprise_linux_for_ibm_z_systems = 8.0`\n- `enterprise_linux_for_ibm_z_systems_eus = 8.6`\n- `enterprise_linux_for_power_little_endian = 8.0`\n- `enterprise_linux_for_power_little_endian_eus = 8.6`\n- `enterprise_linux_for_real_time = 8`\n- `enterprise_linux_for_real_time_for_nfv = 8`\n- `enterprise_linux_for_real_time_for_nfv_tus = 8.6`\n- `enterprise_linux_for_real_time_tus = 8.6`\n- `enterprise_linux_server_aus = 8.6`\n- `enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions = 8.6`\n- `enterprise_linux_server_tus = 8.6`\n- `enterprise_linux_server_update_services_for_sap_solutions = 8.6`\n- `virtualization_host = 4.0`\n- `codeready_linux_builder`\n- `h300s_firmware`\n- `h500s_firmware`\n- `h700s_firmware`\n- `h300e_firmware`\n- `h500e_firmware`\n- `h700e_firmware`\n- `h410s_firmware`\n- `h410c_firmware`\n- `debian_linux = 9.0`\n- `debian_linux = 10.0`\n- `communications_cloud_native_core_binding_support_function = 22.1.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 5.16.15`","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0.2,"exploitation":12,"ransomware":0},"changes":[{"seq":4583,"id":"CVE-2022-1011","ts":1788887192901,"field":"exploit_available","old":"false","new":"true"},{"seq":3466,"id":"CVE-2022-1011","ts":1788886309314,"field":"exploit_available","old":"true","new":"false"},{"seq":2320,"id":"CVE-2022-1011","ts":1788882978948,"field":"exploit_available","old":"false","new":"true"},{"seq":1349,"id":"CVE-2022-1011","ts":1788882391441,"field":"exploit_available","old":"true","new":"false"},{"seq":463,"id":"CVE-2022-1011","ts":1788881826982,"field":"exploit_available","old":"false","new":"true"}]}