ghsa-vc9x-p9c7-wp9p
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
mtd: Fix device name leak when register device failed in add_mtd_device()
There is a kmemleak when register device failed: unreferenced object 0xffff888101aab550 (size 8): comm "insmod", pid 3922, jiffies 4295277753 (age 925.408s) hex dump (first 8 bytes): 6d 74 64 30 00 88 ff ff mtd0.... backtrace: [<00000000bde26724>] __kmalloc_node_track_caller+0x4e/0x150 [<000000003c32b416>] kvasprintf+0xb0/0x130 [<000000001f7a8f15>] kobject_set_name_vargs+0x2f/0xb0 [<000000006e781163>] dev_set_name+0xab/0xe0 [<00000000e30d0c78>] add_mtd_device+0x4bb/0x700 [<00000000f3d34de7>] mtd_device_parse_register+0x2ac/0x3f0 [<00000000c0d88488>] 0xffffffffa0238457 [<00000000b40d0922>] 0xffffffffa02a008f [<0000000023d17b9d>] do_one_initcall+0x87/0x2a0 [<00000000770f6ca6>] do_init_module+0xdf/0x320 [<000000007b6768fe>] load_module+0x2f98/0x3330 [<00000000346bed5a>] __do_sys_finit_module+0x113/0x1b0 [<00000000674c2290>] do_syscall_64+0x35/0x80 [<000000004c6a8d97>] entry_SYSCALL_64_after_hwframe+0x46/0xb0
If register device failed, should call put_device() to give up the reference.
{
"affected": [],
"aliases": [
"CVE-2022-50566"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-10-22T14:15:41Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmtd: Fix device name leak when register device failed in add_mtd_device()\n\nThere is a kmemleak when register device failed:\n unreferenced object 0xffff888101aab550 (size 8):\n comm \"insmod\", pid 3922, jiffies 4295277753 (age 925.408s)\n hex dump (first 8 bytes):\n 6d 74 64 30 00 88 ff ff mtd0....\n backtrace:\n [\u003c00000000bde26724\u003e] __kmalloc_node_track_caller+0x4e/0x150\n [\u003c000000003c32b416\u003e] kvasprintf+0xb0/0x130\n [\u003c000000001f7a8f15\u003e] kobject_set_name_vargs+0x2f/0xb0\n [\u003c000000006e781163\u003e] dev_set_name+0xab/0xe0\n [\u003c00000000e30d0c78\u003e] add_mtd_device+0x4bb/0x700\n [\u003c00000000f3d34de7\u003e] mtd_device_parse_register+0x2ac/0x3f0\n [\u003c00000000c0d88488\u003e] 0xffffffffa0238457\n [\u003c00000000b40d0922\u003e] 0xffffffffa02a008f\n [\u003c0000000023d17b9d\u003e] do_one_initcall+0x87/0x2a0\n [\u003c00000000770f6ca6\u003e] do_init_module+0xdf/0x320\n [\u003c000000007b6768fe\u003e] load_module+0x2f98/0x3330\n [\u003c00000000346bed5a\u003e] __do_sys_finit_module+0x113/0x1b0\n [\u003c00000000674c2290\u003e] do_syscall_64+0x35/0x80\n [\u003c000000004c6a8d97\u003e] entry_SYSCALL_64_after_hwframe+0x46/0xb0\n\nIf register device failed, should call put_device() to give up the\nreference.",
"id": "GHSA-vc9x-p9c7-wp9p",
"modified": "2025-10-22T15:31:09Z",
"published": "2025-10-22T15:31:09Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-50566"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1b172fb05d6315ecec082fd7544a3390e96f0d7e"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2302e2dc42b1f84f951c725ce742fc21c5a1e151"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/330bc5533e8a8ed69cb951d5a8edce9bddb9db21"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/71212d73184845c944ef1b43f092e643e5bde003"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/895d68a39481a75c680aa421546931fb11942fa6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a75f45afa932bfb24a2603ebcea5efd2e7cdcfd6"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/bcabe1dc2a344adbb3382930a23e273ba9382277"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/db07fe76df01f40cb897d6e9066b84e46957beb3"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fa0d32ab8407d7481450c664fd0de64f2dae9489"
}
],
"schema_version": "1.4.0",
"severity": []
}
Sightings
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