CVE-2023-52560 (GCVE-0-2023-52560)

Vulnerability from cvelistv5 – Published: 2024-03-02 21:59 – Updated: 2025-05-04 07:38
VLAI?
Title
mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()
Summary
In the Linux kernel, the following vulnerability has been resolved: mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions() When CONFIG_DAMON_VADDR_KUNIT_TEST=y and making CONFIG_DEBUG_KMEMLEAK=y and CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN=y, the below memory leak is detected. Since commit 9f86d624292c ("mm/damon/vaddr-test: remove unnecessary variables"), the damon_destroy_ctx() is removed, but still call damon_new_target() and damon_new_region(), the damon_region which is allocated by kmem_cache_alloc() in damon_new_region() and the damon_target which is allocated by kmalloc in damon_new_target() are not freed. And the damon_region which is allocated in damon_new_region() in damon_set_regions() is also not freed. So use damon_destroy_target to free all the damon_regions and damon_target. unreferenced object 0xffff888107c9a940 (size 64): comm "kunit_try_catch", pid 1069, jiffies 4294670592 (age 732.761s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 06 00 00 00 6b 6b 6b 6b ............kkkk 60 c7 9c 07 81 88 ff ff f8 cb 9c 07 81 88 ff ff `............... backtrace: [<ffffffff817e0167>] kmalloc_trace+0x27/0xa0 [<ffffffff819c11cf>] damon_new_target+0x3f/0x1b0 [<ffffffff819c7d55>] damon_do_test_apply_three_regions.constprop.0+0x95/0x3e0 [<ffffffff819c82be>] damon_test_apply_three_regions1+0x21e/0x260 [<ffffffff829fce6a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81237cf6>] kthread+0x2b6/0x380 [<ffffffff81097add>] ret_from_fork+0x2d/0x70 [<ffffffff81003791>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff8881079cc740 (size 56): comm "kunit_try_catch", pid 1069, jiffies 4294670592 (age 732.761s) hex dump (first 32 bytes): 05 00 00 00 00 00 00 00 14 00 00 00 00 00 00 00 ................ 6b 6b 6b 6b 6b 6b 6b 6b 00 00 00 00 6b 6b 6b 6b kkkkkkkk....kkkk backtrace: [<ffffffff819bc492>] damon_new_region+0x22/0x1c0 [<ffffffff819c7d91>] damon_do_test_apply_three_regions.constprop.0+0xd1/0x3e0 [<ffffffff819c82be>] damon_test_apply_three_regions1+0x21e/0x260 [<ffffffff829fce6a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81237cf6>] kthread+0x2b6/0x380 [<ffffffff81097add>] ret_from_fork+0x2d/0x70 [<ffffffff81003791>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff888107c9ac40 (size 64): comm "kunit_try_catch", pid 1071, jiffies 4294670595 (age 732.843s) hex dump (first 32 bytes): 00 00 00 00 00 00 00 00 06 00 00 00 6b 6b 6b 6b ............kkkk a0 cc 9c 07 81 88 ff ff 78 a1 76 07 81 88 ff ff ........x.v..... backtrace: [<ffffffff817e0167>] kmalloc_trace+0x27/0xa0 [<ffffffff819c11cf>] damon_new_target+0x3f/0x1b0 [<ffffffff819c7d55>] damon_do_test_apply_three_regions.constprop.0+0x95/0x3e0 [<ffffffff819c851e>] damon_test_apply_three_regions2+0x21e/0x260 [<ffffffff829fce6a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81237cf6>] kthread+0x2b6/0x380 [<ffffffff81097add>] ret_from_fork+0x2d/0x70 [<ffffffff81003791>] ret_from_fork_asm+0x11/0x20 unreferenced object 0xffff8881079ccc80 (size 56): comm "kunit_try_catch", pid 1071, jiffies 4294670595 (age 732.843s) hex dump (first 32 bytes): 05 00 00 00 00 00 00 00 14 00 00 00 00 00 00 00 ................ 6b 6b 6b 6b 6b 6b 6b 6b 00 00 00 00 6b 6b 6b 6b kkkkkkkk....kkkk backtrace: [<ffffffff819bc492>] damon_new_region+0x22/0x1c0 [<ffffffff819c7d91>] damon_do_test_apply_three_regions.constprop.0+0xd1/0x3e0 [<ffffffff819c851e>] damon_test_apply_three_regions2+0x21e/0x260 [<ffffffff829fce6a>] kunit_generic_run_threadfn_adapter+0x4a/0x90 [<ffffffff81237cf6>] kthread+0x2b6/0x380 [<ffffffff81097add>] ret_from_fork+0x2d/0x70 [<ffff ---truncated---
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 9f86d624292c238203b3687cdb870a2cde1a6f9b , < 9a4fe81a8644b717d57d81ce5849e16583b13fe8 (git)
Affected: 9f86d624292c238203b3687cdb870a2cde1a6f9b , < 6b522001693aa113d97a985abc5f6932972e8e86 (git)
Affected: 9f86d624292c238203b3687cdb870a2cde1a6f9b , < 45120b15743fa7c0aa53d5db6dfb4c8f87be4abd (git)
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    Linux Linux Affected: 5.16
Unaffected: 0 , < 5.16 (semver)
Unaffected: 6.1.56 , ≤ 6.1.* (semver)
Unaffected: 6.5.6 , ≤ 6.5.* (semver)
Unaffected: 6.6 , ≤ * (original_commit_for_fix)
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          "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        [\u003cffffffff817e0167\u003e] kmalloc_trace+0x27/0xa0\n        [\u003cffffffff819c11cf\u003e] damon_new_target+0x3f/0x1b0\n        [\u003cffffffff819c7d55\u003e] damon_do_test_apply_three_regions.constprop.0+0x95/0x3e0\n        [\u003cffffffff819c82be\u003e] damon_test_apply_three_regions1+0x21e/0x260\n        [\u003cffffffff829fce6a\u003e] kunit_generic_run_threadfn_adapter+0x4a/0x90\n        [\u003cffffffff81237cf6\u003e] kthread+0x2b6/0x380\n        [\u003cffffffff81097add\u003e] ret_from_fork+0x2d/0x70\n        [\u003cffffffff81003791\u003e] 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        [\u003cffffffff819bc492\u003e] damon_new_region+0x22/0x1c0\n        [\u003cffffffff819c7d91\u003e] damon_do_test_apply_three_regions.constprop.0+0xd1/0x3e0\n        [\u003cffffffff819c82be\u003e] damon_test_apply_three_regions1+0x21e/0x260\n        [\u003cffffffff829fce6a\u003e] kunit_generic_run_threadfn_adapter+0x4a/0x90\n        [\u003cffffffff81237cf6\u003e] kthread+0x2b6/0x380\n        [\u003cffffffff81097add\u003e] ret_from_fork+0x2d/0x70\n        [\u003cffffffff81003791\u003e] 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        [\u003cffffffff817e0167\u003e] kmalloc_trace+0x27/0xa0\n        [\u003cffffffff819c11cf\u003e] damon_new_target+0x3f/0x1b0\n        [\u003cffffffff819c7d55\u003e] damon_do_test_apply_three_regions.constprop.0+0x95/0x3e0\n        [\u003cffffffff819c851e\u003e] damon_test_apply_three_regions2+0x21e/0x260\n        [\u003cffffffff829fce6a\u003e] kunit_generic_run_threadfn_adapter+0x4a/0x90\n        [\u003cffffffff81237cf6\u003e] kthread+0x2b6/0x380\n        [\u003cffffffff81097add\u003e] ret_from_fork+0x2d/0x70\n        [\u003cffffffff81003791\u003e] 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        [\u003cffffffff819bc492\u003e] damon_new_region+0x22/0x1c0\n        [\u003cffffffff819c7d91\u003e] damon_do_test_apply_three_regions.constprop.0+0xd1/0x3e0\n        [\u003cffffffff819c851e\u003e] damon_test_apply_three_regions2+0x21e/0x260\n        [\u003cffffffff829fce6a\u003e] kunit_generic_run_threadfn_adapter+0x4a/0x90\n        [\u003cffffffff81237cf6\u003e] kthread+0x2b6/0x380\n        [\u003cffffffff81097add\u003e] ret_from_fork+0x2d/0x70\n        [\u003cffff\n---truncated---"
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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9a4fe81a8644b717d57d81ce5849e16583b13fe8\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/6b522001693aa113d97a985abc5f6932972e8e86\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/45120b15743fa7c0aa53d5db6dfb4c8f87be4abd\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-02T23:03:20.913Z\"}}, {\"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2023-52560\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-03-04T15:35:56.845645Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-23T19:01:14.706Z\"}, \"title\": \"CISA ADP Vulnrichment\"}], \"cna\": {\"title\": \"mm/damon/vaddr-test: fix memory leak in damon_do_test_apply_three_regions()\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"9f86d624292c238203b3687cdb870a2cde1a6f9b\", \"lessThan\": \"9a4fe81a8644b717d57d81ce5849e16583b13fe8\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9f86d624292c238203b3687cdb870a2cde1a6f9b\", \"lessThan\": \"6b522001693aa113d97a985abc5f6932972e8e86\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"9f86d624292c238203b3687cdb870a2cde1a6f9b\", \"lessThan\": \"45120b15743fa7c0aa53d5db6dfb4c8f87be4abd\", \"versionType\": \"git\"}], \"programFiles\": [\"mm/damon/vaddr-test.h\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.16\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.16\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.56\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.5.6\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.5.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"mm/damon/vaddr-test.h\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/9a4fe81a8644b717d57d81ce5849e16583b13fe8\"}, {\"url\": \"https://git.kernel.org/stable/c/6b522001693aa113d97a985abc5f6932972e8e86\"}, {\"url\": \"https://git.kernel.org/stable/c/45120b15743fa7c0aa53d5db6dfb4c8f87be4abd\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"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        [\u003cffffffff817e0167\u003e] kmalloc_trace+0x27/0xa0\\n        [\u003cffffffff819c11cf\u003e] damon_new_target+0x3f/0x1b0\\n        [\u003cffffffff819c7d55\u003e] damon_do_test_apply_three_regions.constprop.0+0x95/0x3e0\\n        [\u003cffffffff819c82be\u003e] damon_test_apply_three_regions1+0x21e/0x260\\n        [\u003cffffffff829fce6a\u003e] kunit_generic_run_threadfn_adapter+0x4a/0x90\\n        [\u003cffffffff81237cf6\u003e] kthread+0x2b6/0x380\\n        [\u003cffffffff81097add\u003e] ret_from_fork+0x2d/0x70\\n        [\u003cffffffff81003791\u003e] 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        [\u003cffffffff819bc492\u003e] damon_new_region+0x22/0x1c0\\n        [\u003cffffffff819c7d91\u003e] damon_do_test_apply_three_regions.constprop.0+0xd1/0x3e0\\n        [\u003cffffffff819c82be\u003e] damon_test_apply_three_regions1+0x21e/0x260\\n        [\u003cffffffff829fce6a\u003e] kunit_generic_run_threadfn_adapter+0x4a/0x90\\n        [\u003cffffffff81237cf6\u003e] kthread+0x2b6/0x380\\n        [\u003cffffffff81097add\u003e] ret_from_fork+0x2d/0x70\\n        [\u003cffffffff81003791\u003e] 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        [\u003cffffffff817e0167\u003e] kmalloc_trace+0x27/0xa0\\n        [\u003cffffffff819c11cf\u003e] damon_new_target+0x3f/0x1b0\\n        [\u003cffffffff819c7d55\u003e] damon_do_test_apply_three_regions.constprop.0+0x95/0x3e0\\n        [\u003cffffffff819c851e\u003e] damon_test_apply_three_regions2+0x21e/0x260\\n        [\u003cffffffff829fce6a\u003e] kunit_generic_run_threadfn_adapter+0x4a/0x90\\n        [\u003cffffffff81237cf6\u003e] kthread+0x2b6/0x380\\n        [\u003cffffffff81097add\u003e] ret_from_fork+0x2d/0x70\\n        [\u003cffffffff81003791\u003e] 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        [\u003cffffffff819bc492\u003e] damon_new_region+0x22/0x1c0\\n        [\u003cffffffff819c7d91\u003e] damon_do_test_apply_three_regions.constprop.0+0xd1/0x3e0\\n        [\u003cffffffff819c851e\u003e] damon_test_apply_three_regions2+0x21e/0x260\\n        [\u003cffffffff829fce6a\u003e] kunit_generic_run_threadfn_adapter+0x4a/0x90\\n        [\u003cffffffff81237cf6\u003e] kthread+0x2b6/0x380\\n        [\u003cffffffff81097add\u003e] ret_from_fork+0x2d/0x70\\n        [\u003cffff\\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.56\", \"versionStartIncluding\": \"5.16\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.5.6\", \"versionStartIncluding\": \"5.16\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6\", \"versionStartIncluding\": \"5.16\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:38:46.798Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-52560\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T07:38:46.798Z\", \"dateReserved\": \"2024-03-02T21:55:42.566Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-03-02T21:59:34.084Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.