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    "cveMetadata": {
        "cveId": "CVE-2021-46937",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-02-25T13:45:52.721Z",
        "datePublished": "2024-02-27T09:44:03.421Z",
        "dateUpdated": "2026-05-11T13:44:47.438Z"
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                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()'\n\nDAMON debugfs interface increases the reference counts of 'struct pid's\nfor targets from the 'target_ids' file write callback\n('dbgfs_target_ids_write()'), but decreases the counts only in DAMON\nmonitoring termination callback ('dbgfs_before_terminate()').\n\nTherefore, when 'target_ids' file is repeatedly written without DAMON\nmonitoring start/termination, the reference count is not decreased and\ntherefore memory for the 'struct pid' cannot be freed.  This commit\nfixes this issue by decreasing the reference counts when 'target_ids' is\nwritten."
                }
            ],
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                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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                    "url": "https://git.kernel.org/stable/c/ffe4a1ba1a82c416a6b3a09d46594f6a885ae141"
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                    "url": "https://git.kernel.org/stable/c/ebb3f994dd92f8fb4d70c7541091216c1e10cb71"
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            "title": "mm/damon/dbgfs: fix 'struct pid' leaks in 'dbgfs_target_ids_write()'",
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                                        "Exploitation": "none"
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