{"cve":"CVE-2022-49381","nvd":{"published":"2025-02-26T07:01:14.727","modified":"2026-06-17T05:17:53.117","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\njffs2: fix memory leak in jffs2_do_fill_super\n\nIf jffs2_iget() or d_make_root() in jffs2_do_fill_super() returns\nan error, we can observe the following kmemleak report:\n\n--------------------------------------------\nunreferenced object 0xffff888105a65340 (size 64):\n  comm \"mount\", pid 710, jiffies 4302851558 (age 58.239s)\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    [<ffffffff859c45e5>] kmem_cache_alloc_trace+0x475/0x8a0\n    [<ffffffff86160146>] jffs2_sum_init+0x96/0x1a0\n    [<ffffffff86140e25>] jffs2_do_mount_fs+0x745/0x2120\n    [<ffffffff86149fec>] jffs2_do_fill_super+0x35c/0x810\n    [<ffffffff8614aae9>] jffs2_fill_super+0x2b9/0x3b0\n    [...]\nunreferenced object 0xffff8881bd7f0000 (size 65536):\n  comm \"mount\", pid 710, jiffies 4302851558 (age 58.239s)\n  hex dump (first 32 bytes):\n    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................\n    bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb bb  ................\n  backtrace:\n    [<ffffffff858579ba>] kmalloc_order+0xda/0x110\n    [<ffffffff85857a11>] kmalloc_order_trace+0x21/0x130\n    [<ffffffff859c2ed1>] __kmalloc+0x711/0x8a0\n    [<ffffffff86160189>] jffs2_sum_init+0xd9/0x1a0\n    [<ffffffff86140e25>] jffs2_do_mount_fs+0x745/0x2120\n    [<ffffffff86149fec>] jffs2_do_fill_super+0x35c/0x810\n    [<ffffffff8614aae9>] jffs2_fill_super+0x2b9/0x3b0\n    [...]\n--------------------------------------------\n\nThis is because the resources allocated in jffs2_sum_init() are not\nreleased. Call jffs2_sum_exit() to release these resources to solve\nthe problem.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-401"],"references":["https://git.kernel.org/stable/c/28048a4cf3813b7cf5cc8cce629dfdc7951cb1c2","https://git.kernel.org/stable/c/3252d327f977b14663a10967f3b0930d6c325687","https://git.kernel.org/stable/c/4ba7bbeab8009faf3a726e565d98816593ddd5b0","https://git.kernel.org/stable/c/4da8763a3d2b684c773b72ed80fad40bc264bc40","https://git.kernel.org/stable/c/69295267c481545f636b69ff341b8db75aa136b9"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49381","score":0.00268,"percentile":0.19017,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}