{"id":"CVE-2022-49277","summary":"jffs2: fix memory leak in jffs2_do_mount_fs","details":"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    [\u003cffffffffa493be24\u003e] kmem_cache_alloc_trace+0x584/0x880\n    [\u003cffffffffa5423a06\u003e] jffs2_sum_init+0x86/0x130\n    [\u003cffffffffa5400e58\u003e] jffs2_do_mount_fs+0x798/0xac0\n    [\u003cffffffffa540acf3\u003e] jffs2_do_fill_super+0x383/0xc30\n    [\u003cffffffffa540c00a\u003e] 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    [\u003cffffffffa493a449\u003e] __kmalloc+0x6b9/0x910\n    [\u003cffffffffa5423a57\u003e] jffs2_sum_init+0xd7/0x130\n    [\u003cffffffffa5400e58\u003e] jffs2_do_mount_fs+0x798/0xac0\n    [\u003cffffffffa540acf3\u003e] jffs2_do_fill_super+0x383/0xc30\n    [\u003cffffffffa540c00a\u003e] 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.","modified":"2026-04-02T08:27:27.378873Z","published":"2025-02-26T01:56:21.037Z","related":["SUSE-SU-2025:1027-1","SUSE-SU-2025:1176-1","SUSE-SU-2025:1183-1","SUSE-SU-2025:1241-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49277.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0978e9af4559a171ac7a74a1b3ef21804b0a0fa9"},{"type":"WEB","url":"https://git.kernel.org/stable/c/2a9d8184458562e6bf2f40d0e677fc85e2dd3834"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4392e8aeebc5a4f8073620bccba7de1b1f6d7c88"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5f34310d1376ca5b2ed798258def2c2ab3cc6699"},{"type":"WEB","url":"https://git.kernel.org/stable/c/607d3aab7349f18e0d9dba4100d09d16fe27caca"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9a0f6610c7daedd2eace430beeb08a8b7ac80699"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c94128470e6fe53d9bd9d16d2d3271813f9d37af"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d051cef784de4d54835f6b6836d98a8f6935772c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dbe0d0521eaa6a3d235517319266c539bb5c5112"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49277.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49277"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"e631ddba588783edd521c5a89f7b2902772fb691"},{"fixed":"2a9d8184458562e6bf2f40d0e677fc85e2dd3834"},{"fixed":"9a0f6610c7daedd2eace430beeb08a8b7ac80699"},{"fixed":"dbe0d0521eaa6a3d235517319266c539bb5c5112"},{"fixed":"0978e9af4559a171ac7a74a1b3ef21804b0a0fa9"},{"fixed":"607d3aab7349f18e0d9dba4100d09d16fe27caca"},{"fixed":"4392e8aeebc5a4f8073620bccba7de1b1f6d7c88"},{"fixed":"5f34310d1376ca5b2ed798258def2c2ab3cc6699"},{"fixed":"c94128470e6fe53d9bd9d16d2d3271813f9d37af"},{"fixed":"d051cef784de4d54835f6b6836d98a8f6935772c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-49277.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}