{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "cveId": "CVE-2023-52560",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-03-02T21:55:42.566Z",
        "datePublished": "2024-03-02T21:59:34.084Z",
        "dateUpdated": "2024-08-02T23:03:20.913Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2024-05-29T05:13:33.107Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()\n\nWhen CONFIG_DAMON_VADDR_KUNIT_TEST=y and making CONFIG_DEBUG_KMEMLEAK=y\nand CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN=y, the below memory leak is detected.\n\nSince commit 9f86d624292c (\"mm/damon/vaddr-test: remove unnecessary\nvariables\"), the damon_destroy_ctx() is removed, but still call\ndamon_new_target() and damon_new_region(), the damon_region which is\nallocated by kmem_cache_alloc() in damon_new_region() and the damon_target\nwhich is allocated by kmalloc in damon_new_target() are not freed.  And\nthe damon_region which is allocated in damon_new_region() in\ndamon_set_regions() is also not freed.\n\nSo use damon_destroy_target to free all the damon_regions and damon_target.\n\n    unreferenced object 0xffff888107c9a940 (size 64):\n      comm \"kunit_try_catch\", pid 1069, jiffies 4294670592 (age 732.761s)\n      hex dump (first 32 bytes):\n        00 00 00 00 00 00 00 00 06 00 00 00 6b 6b 6b 6b  ............kkkk\n        60 c7 9c 07 81 88 ff ff f8 cb 9c 07 81 88 ff ff  `...............\n      backtrace:\n        [<ffffffff817e0167>] kmalloc_trace+0x27/0xa0\n        [<ffffffff819c11cf>] damon_new_target+0x3f/0x1b0\n        [<ffffffff819c7d55>] damon_do_test_apply_three_regions.constprop.0+0x95/0x3e0\n        [<ffffffff819c82be>] damon_test_apply_three_regions1+0x21e/0x260\n        [<ffffffff829fce6a>] kunit_generic_run_threadfn_adapter+0x4a/0x90\n        [<ffffffff81237cf6>] kthread+0x2b6/0x380\n        [<ffffffff81097add>] ret_from_fork+0x2d/0x70\n        [<ffffffff81003791>] ret_from_fork_asm+0x11/0x20\n    unreferenced object 0xffff8881079cc740 (size 56):\n      comm \"kunit_try_catch\", pid 1069, jiffies 4294670592 (age 732.761s)\n      hex dump (first 32 bytes):\n        05 00 00 00 00 00 00 00 14 00 00 00 00 00 00 00  ................\n        6b 6b 6b 6b 6b 6b 6b 6b 00 00 00 00 6b 6b 6b 6b  kkkkkkkk....kkkk\n      backtrace:\n        [<ffffffff819bc492>] damon_new_region+0x22/0x1c0\n        [<ffffffff819c7d91>] damon_do_test_apply_three_regions.constprop.0+0xd1/0x3e0\n        [<ffffffff819c82be>] damon_test_apply_three_regions1+0x21e/0x260\n        [<ffffffff829fce6a>] kunit_generic_run_threadfn_adapter+0x4a/0x90\n        [<ffffffff81237cf6>] kthread+0x2b6/0x380\n        [<ffffffff81097add>] ret_from_fork+0x2d/0x70\n        [<ffffffff81003791>] ret_from_fork_asm+0x11/0x20\n    unreferenced object 0xffff888107c9ac40 (size 64):\n      comm \"kunit_try_catch\", pid 1071, jiffies 4294670595 (age 732.843s)\n      hex dump (first 32 bytes):\n        00 00 00 00 00 00 00 00 06 00 00 00 6b 6b 6b 6b  ............kkkk\n        a0 cc 9c 07 81 88 ff ff 78 a1 76 07 81 88 ff ff  ........x.v.....\n      backtrace:\n        [<ffffffff817e0167>] kmalloc_trace+0x27/0xa0\n        [<ffffffff819c11cf>] damon_new_target+0x3f/0x1b0\n        [<ffffffff819c7d55>] damon_do_test_apply_three_regions.constprop.0+0x95/0x3e0\n        [<ffffffff819c851e>] damon_test_apply_three_regions2+0x21e/0x260\n        [<ffffffff829fce6a>] kunit_generic_run_threadfn_adapter+0x4a/0x90\n        [<ffffffff81237cf6>] kthread+0x2b6/0x380\n        [<ffffffff81097add>] ret_from_fork+0x2d/0x70\n        [<ffffffff81003791>] ret_from_fork_asm+0x11/0x20\n    unreferenced object 0xffff8881079ccc80 (size 56):\n      comm \"kunit_try_catch\", pid 1071, jiffies 4294670595 (age 732.843s)\n      hex dump (first 32 bytes):\n        05 00 00 00 00 00 00 00 14 00 00 00 00 00 00 00  ................\n        6b 6b 6b 6b 6b 6b 6b 6b 00 00 00 00 6b 6b 6b 6b  kkkkkkkk....kkkk\n      backtrace:\n        [<ffffffff819bc492>] damon_new_region+0x22/0x1c0\n        [<ffffffff819c7d91>] damon_do_test_apply_three_regions.constprop.0+0xd1/0x3e0\n        [<ffffffff819c851e>] damon_test_apply_three_regions2+0x21e/0x260\n        [<ffffffff829fce6a>] kunit_generic_run_threadfn_adapter+0x4a/0x90\n        [<ffffffff81237cf6>] kthread+0x2b6/0x380\n        [<ffffffff81097add>] ret_from_fork+0x2d/0x70\n        [<ffff\n---truncated---"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "mm/damon/vaddr-test.h"
                    ],
                    "versions": [
                        {
                            "version": "9f86d624292c",
                            "lessThan": "9a4fe81a8644",
                            "status": "affected",
                            "versionType": "git"
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                        {
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                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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                    "url": "https://git.kernel.org/stable/c/9a4fe81a8644b717d57d81ce5849e16583b13fe8"
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                {
                    "url": "https://git.kernel.org/stable/c/45120b15743fa7c0aa53d5db6dfb4c8f87be4abd"
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            "title": "mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()",
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                "title": "CVE Program Container",
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