{"id":"CVE-2022-50380","summary":"mm: /proc/pid/smaps_rollup: fix no vma's null-deref","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nmm: /proc/pid/smaps_rollup: fix no vma's null-deref\n\nCommit 258f669e7e88 (\"mm: /proc/pid/smaps_rollup: convert to single value\nseq_file\") introduced a null-deref if there are no vma's in the task in\nshow_smaps_rollup.","modified":"2026-04-02T08:28:27.830776Z","published":"2025-09-18T13:33:02.472Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50380.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/33fc9e26b7cb39f0d4219c875a2451802249c225"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6bb8769326c46db3058780c0640dcc49d8187b24"},{"type":"WEB","url":"https://git.kernel.org/stable/c/97898139ca9b81ba9322a585e07490983c53b55a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c4c84f06285e48f80e9843d0775ad92714ffc35a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dbe863bce7679c7f5ec0e993d834fe16c5e687b5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50380.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-50380"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"258f669e7e88c18edbc23fe5ce00a476b924551f"},{"fixed":"dbe863bce7679c7f5ec0e993d834fe16c5e687b5"},{"fixed":"6bb8769326c46db3058780c0640dcc49d8187b24"},{"fixed":"a50ed2d28727ff605d95fb9a53be8ff94e8eaaf4"},{"fixed":"33fc9e26b7cb39f0d4219c875a2451802249c225"},{"fixed":"97898139ca9b81ba9322a585e07490983c53b55a"},{"fixed":"c4c84f06285e48f80e9843d0775ad92714ffc35a"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50380.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}