{"id":"CVE-2024-56534","url":"https://www.cyber-defence.io/tools/cve/CVE-2024-56534","generatedAt":"2026-10-28T02:17:06.155Z","title":"In the Linux kernel, the following vulnerability has been resolved: isofs: avoid memory leak in iocharset A memleak was found as below: unreferenced object 0xffff0000d10164d8 (size 8): comm \"pool-udisksd\", pid 108217, jiffies 4295408555 hex dump (first…","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nisofs: avoid memory leak in iocharset\n\nA memleak was found as below:\n\nunreferenced object 0xffff0000d10164d8 (size 8):\n  comm \"pool-udisksd\", pid 108217, jiffies 4295408555\n  hex dump (first 8 bytes):\n    75 74 66 38 00 cc cc cc                          utf8....\n  backtrace (crc de430d31):\n    [<ffff800081046e6c>] kmemleak_alloc+0xb8/0xc8\n    [<ffff8000803e6c3c>] __kmalloc_node_track_caller_noprof+0x380/0x474\n    [<ffff800080363b74>] kstrdup+0x70/0xfc\n    [<ffff80007bb3c6a4>] isofs_parse_param+0x228/0x2c0 [isofs]\n    [<ffff8000804d7f68>] vfs_parse_fs_param+0xf4/0x164\n    [<ffff8000804d8064>] vfs_parse_fs_string+0x8c/0xd4\n    [<ffff8000804d815c>] vfs_parse_monolithic_sep+0xb0/0xfc\n    [<ffff8000804d81d8>] generic_parse_monolithic+0x30/0x3c\n    [<ffff8000804d8bfc>] parse_monolithic_mount_data+0x40/0x4c\n    [<ffff8000804b6a64>] path_mount+0x6c4/0x9ec\n    [<ffff8000804b6e38>] do_mount+0xac/0xc4\n    [<ffff8000804b7494>] __arm64_sys_mount+0x16c/0x2b0\n    [<ffff80008002b8dc>] invoke_syscall+0x7c/0x104\n    [<ffff80008002ba44>] el0_svc_common.constprop.1+0xe0/0x104\n    [<ffff80008002ba94>] do_el0_svc+0x2c/0x38\n    [<ffff800081041108>] el0_svc+0x3c/0x1b8\n\nThe opt->iocharset is freed inside the isofs_fill_super function,\nBut there may be situations where it's not possible to\nenter this function.\n\nFor example, in the get_tree_bdev_flags function,when\nencountering the situation where \"Can't mount, would change RO state,\"\nIn such a case, isofs_fill_super will not have the opportunity\nto be called,which means that opt->iocharset will not have the chance\nto be freed,ultimately leading to a memory leak.\n\nLet's move the memory freeing of opt->iocharset into\nisofs_free_fc function.","published":"2024-12-27T14:15:33.000Z","lastModified":"2026-06-17T08:12:20.000Z","status":"Modified","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-401"],"affected":["linux/linux kernel"],"epss":{"score":0.00255,"percentile":0.1697,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.26%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/0b5bbeee4de616a268db77e2f40f19ab010a367b","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0fbab266ca8000333c966f5b58cb9b9cac658573","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/34f090ddb3630a26e5a6b220bf3bfaf5c7b70393","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2024-56534","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}