{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-21T19:10:03.789","vulnerabilities":[{"cve":{"id":"CVE-2023-53468","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-10-01T12:15:48.830","lastModified":"2026-01-20T15:52:36.877","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nubifs: Fix memory leak in alloc_wbufs()\n\nkmemleak reported a sequence of memory leaks, and show them as following:\n\n  unreferenced object 0xffff8881575f8400 (size 1024):\n    comm \"mount\", pid 19625, jiffies 4297119604 (age 20.383s)\n    hex dump (first 32 bytes):\n      00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n      00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    backtrace:\n      [<ffffffff8176cecd>] __kmalloc+0x4d/0x150\n      [<ffffffffa0406b2b>] ubifs_mount+0x307b/0x7170 [ubifs]\n      [<ffffffff819fa8fd>] legacy_get_tree+0xed/0x1d0\n      [<ffffffff81936f2d>] vfs_get_tree+0x7d/0x230\n      [<ffffffff819b2bd4>] path_mount+0xdd4/0x17b0\n      [<ffffffff819b37aa>] __x64_sys_mount+0x1fa/0x270\n      [<ffffffff83c14295>] do_syscall_64+0x35/0x80\n      [<ffffffff83e0006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\n  unreferenced object 0xffff8881798a6e00 (size 512):\n    comm \"mount\", pid 19677, jiffies 4297121912 (age 37.816s)\n    hex dump (first 32 bytes):\n      6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk\n      6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk\n    backtrace:\n      [<ffffffff8176cecd>] __kmalloc+0x4d/0x150\n      [<ffffffffa0418342>] ubifs_wbuf_init+0x52/0x480 [ubifs]\n      [<ffffffffa0406ca5>] ubifs_mount+0x31f5/0x7170 [ubifs]\n      [<ffffffff819fa8fd>] legacy_get_tree+0xed/0x1d0\n      [<ffffffff81936f2d>] vfs_get_tree+0x7d/0x230\n      [<ffffffff819b2bd4>] path_mount+0xdd4/0x17b0\n      [<ffffffff819b37aa>] __x64_sys_mount+0x1fa/0x270\n      [<ffffffff83c14295>] do_syscall_64+0x35/0x80\n      [<ffffffff83e0006a>] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nThe problem is that the ubifs_wbuf_init() returns an error in the\nloop which in the alloc_wbufs(), then the wbuf->buf and wbuf->inodes\nthat were successfully alloced before are not freed.\n\nFix it by adding error hanging path in alloc_wbufs() which frees\nthe memory alloced before when ubifs_wbuf_init() returns an error."}],"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}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-401"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.27","versionEndExcluding":"5.4.235","matchCriteriaId":"4BE762D6-5ED1-42B3-9E57-0ED017DD275F"},{"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/1f206002c6bc302bface871ef3f72c0bbcaa931c","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/26ec45f1c504e15268383019df139d7983f1e67f","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/3e29634eb56e6547272fe4e568f63421f8b3b9fa","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/4a1ff3c5d04b9079b4f768d9a71b51c4af578dd2","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/bf50229494f0443b3f08427d7df63e5a7e2a796a","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e11f36d3bc4d23f620754a948fe7b82b63dcb185","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}