{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-08T07:29:38.649","vulnerabilities":[{"cve":{"id":"CVE-2023-53234","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-09-15T15:15:50.420","lastModified":"2026-01-14T18:16:34.417","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: Fix kmemleak in watchdog_cdev_register\n\nkmemleak reports memory leaks in watchdog_dev_register, as follows:\nunreferenced object 0xffff888116233000 (size 2048):\n  comm \"\"modprobe\"\", pid 28147, jiffies 4353426116 (age 61.741s)\n  hex dump (first 32 bytes):\n    80 fa b9 05 81 88 ff ff 08 30 23 16 81 88 ff ff  .........0#.....\n    08 30 23 16 81 88 ff ff 00 00 00 00 00 00 00 00  .0#.............\n  backtrace:\n    [<000000007f001ffd>] __kmem_cache_alloc_node+0x157/0x220\n    [<000000006a389304>] kmalloc_trace+0x21/0x110\n    [<000000008d640eea>] watchdog_dev_register+0x4e/0x780 [watchdog]\n    [<0000000053c9f248>] __watchdog_register_device+0x4f0/0x680 [watchdog]\n    [<00000000b2979824>] watchdog_register_device+0xd2/0x110 [watchdog]\n    [<000000001f730178>] 0xffffffffc10880ae\n    [<000000007a1a8bcc>] do_one_initcall+0xcb/0x4d0\n    [<00000000b98be325>] do_init_module+0x1ca/0x5f0\n    [<0000000046d08e7c>] load_module+0x6133/0x70f0\n    ...\n\nunreferenced object 0xffff888105b9fa80 (size 16):\n  comm \"\"modprobe\"\", pid 28147, jiffies 4353426116 (age 61.741s)\n  hex dump (first 16 bytes):\n    77 61 74 63 68 64 6f 67 31 00 b9 05 81 88 ff ff  watchdog1.......\n  backtrace:\n    [<000000007f001ffd>] __kmem_cache_alloc_node+0x157/0x220\n    [<00000000486ab89b>] __kmalloc_node_track_caller+0x44/0x1b0\n    [<000000005a39aab0>] kvasprintf+0xb5/0x140\n    [<0000000024806f85>] kvasprintf_const+0x55/0x180\n    [<000000009276cb7f>] kobject_set_name_vargs+0x56/0x150\n    [<00000000a92e820b>] dev_set_name+0xab/0xe0\n    [<00000000cec812c6>] watchdog_dev_register+0x285/0x780 [watchdog]\n    [<0000000053c9f248>] __watchdog_register_device+0x4f0/0x680 [watchdog]\n    [<00000000b2979824>] watchdog_register_device+0xd2/0x110 [watchdog]\n    [<000000001f730178>] 0xffffffffc10880ae\n    [<000000007a1a8bcc>] do_one_initcall+0xcb/0x4d0\n    [<00000000b98be325>] do_init_module+0x1ca/0x5f0\n    [<0000000046d08e7c>] load_module+0x6133/0x70f0\n    ...\n\nThe reason is that put_device is not be called if cdev_device_add fails\nand wdd->id != 0.\n\nwatchdog_cdev_register\n  wd_data = kzalloc                             [1]\n  err = dev_set_name                            [2]\n  ..\n  err = cdev_device_add\n  if (err) {\n    if (wdd->id == 0) {  // wdd->id != 0\n      ..\n    }\n    return err;  // [1],[2] would be leaked\n\nTo fix it, call put_device in all wdd->id cases."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.225","versionEndExcluding":"4.10","matchCriteriaId":"1F06A06D-F043-4FC9-8009-F0FF564F7BE3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14.182","versionEndExcluding":"4.14.308","matchCriteriaId":"7E1FBE0A-26CC-4282-B501-BD09D83D5D84"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.93","versionEndExcluding":"4.19.276","matchCriteriaId":"5455A75D-91F0-4B25-BC8B-D3E815C7F427"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.8","versionEndExcluding":"5.4.235","matchCriteriaId":"D7780B7C-3278-476C-AA1E-432CCA8F6041"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.173","matchCriteriaId":"4D810CFB-B7C5-493C-B98A-0D5F0D8A47B6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.100","matchCriteriaId":"6D7E5BB5-018B-46B7-A2C4-1ADB75099822"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.18","matchCriteriaId":"C8D24FD5-5A98-4042-9419-39DCFCBEFFF5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.2.5","matchCriteriaId":"0575B33B-A320-4E51-84CA-10C937341E02"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/13721a2ac66b246f5802ba1b75ad8637e53eeecc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/23cc41c3f19c4d858c3708f1c0a06e94958e6c3b","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/50808d034e199fe3ff7a9d2068a4eebeb6b4098a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/59e391b3fc507a15b7e8e9d9f4de87cae177c366","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/8c1655600f4f2839fb844fe8c70b2b65fadc7a56","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/ac099d94e0480c937aa9172ab64074981ca1a4d3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/bf26b0e430ce34261f45959989edaf680b64d538","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/c5a21a5501508ae3afa2fe6d5a3e74a37fa48df3","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}