vulnerability
Debian: CVE-2023-53278: linux -- security update
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:S/C:N/I:N/A:C) | Sep 18, 2025 | Sep 18, 2025 | Dec 4, 2025 |
Description
In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix memory leak in ubifs_sysfs_init() When insmod ubifs.ko, a kmemleak reported as below: unreferenced object 0xffff88817fb1a780 (size 8): comm "insmod", pid 25265, jiffies 4295239702 (age 100.130s) hex dump (first 8 bytes): 75 62 69 66 73 00 ff ff ubifs... backtrace: [<ffffffff81b3fc4c>] slab_post_alloc_hook+0x9c/0x3c0 [<ffffffff81b44bf3>] __kmalloc_track_caller+0x183/0x410 [<ffffffff8198d3da>] kstrdup+0x3a/0x80 [<ffffffff8198d486>] kstrdup_const+0x66/0x80 [<ffffffff83989325>] kvasprintf_const+0x155/0x190 [<ffffffff83bf55bb>] kobject_set_name_vargs+0x5b/0x150 [<ffffffff83bf576b>] kobject_set_name+0xbb/0xf0 [<ffffffff8100204c>] do_one_initcall+0x14c/0x5a0 [<ffffffff8157e380>] do_init_module+0x1f0/0x660 [<ffffffff815857be>] load_module+0x6d7e/0x7590 [<ffffffff8158644f>] __do_sys_finit_module+0x19f/0x230 [<ffffffff815866b3>] __x64_sys_finit_module+0x73/0xb0 [<ffffffff88c98e85>] do_syscall_64+0x35/0x80 [<ffffffff88e00087>] entry_SYSCALL_64_after_hwframe+0x63/0xcd When kset_register() failed, we should call kset_put to cleanup it.
Solution
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