{"cve":"CVE-2022-49277","nvd":{"published":"2025-02-26T07:01:04.567","modified":"2026-06-17T05:17:34.640","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\njffs2: fix memory leak in jffs2_do_mount_fs\n\nIf jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error,\nwe can observe the following kmemleak report:\n\n--------------------------------------------\nunreferenced object 0xffff88811b25a640 (size 64):\n  comm \"mount\", pid 691, jiffies 4294957728 (age 71.952s)\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    [<ffffffffa493be24>] kmem_cache_alloc_trace+0x584/0x880\n    [<ffffffffa5423a06>] jffs2_sum_init+0x86/0x130\n    [<ffffffffa5400e58>] jffs2_do_mount_fs+0x798/0xac0\n    [<ffffffffa540acf3>] jffs2_do_fill_super+0x383/0xc30\n    [<ffffffffa540c00a>] jffs2_fill_super+0x2ea/0x4c0\n    [...]\nunreferenced object 0xffff88812c760000 (size 65536):\n  comm \"mount\", pid 691, jiffies 4294957728 (age 71.952s)\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    [<ffffffffa493a449>] __kmalloc+0x6b9/0x910\n    [<ffffffffa5423a57>] jffs2_sum_init+0xd7/0x130\n    [<ffffffffa5400e58>] jffs2_do_mount_fs+0x798/0xac0\n    [<ffffffffa540acf3>] jffs2_do_fill_super+0x383/0xc30\n    [<ffffffffa540c00a>] jffs2_fill_super+0x2ea/0x4c0\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/0978e9af4559a171ac7a74a1b3ef21804b0a0fa9","https://git.kernel.org/stable/c/2a9d8184458562e6bf2f40d0e677fc85e2dd3834","https://git.kernel.org/stable/c/4392e8aeebc5a4f8073620bccba7de1b1f6d7c88","https://git.kernel.org/stable/c/5f34310d1376ca5b2ed798258def2c2ab3cc6699","https://git.kernel.org/stable/c/607d3aab7349f18e0d9dba4100d09d16fe27caca"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:59:48.811064707+00:00"},"epss":{"cve":"CVE-2022-49277","score":0.00276,"percentile":0.20027,"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."]}