test_firmware: fix memory leak in test_firmware_init()
When misc_register() failed in test_firmware_init(), the memory pointed
by test_fw_config->name is not released. The memory leak information is
as follows:
unreferenced object 0xffff88810a34cb00 (size 32):
comm "insmod", pid 7952, jiffies 4294948236 (age 49.060s)
hex dump (first 32 bytes):
74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69 test-firmware.bi
6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n...............
backtrace:
[<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0
[<ffffffff81affb96>] kstrndup+0x46/0xc0
[<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware]
[<ffffffffa040f068>] 0xffffffffa040f068
[<ffffffff81002c41>] do_one_initcall+0x141/0x780
[<ffffffff816a72c3>] do_init_module+0x1c3/0x630
[<ffffffff816adb9e>] load_module+0x623e/0x76a0
[<ffffffff816af471>] __do_sys_finit_module+0x181/0x240
[<ffffffff89978f99>] do_syscall_64+0x39/0xb0
[<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
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Thu, 05 Feb 2026 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-401 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
Wed, 08 Oct 2025 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Linux
Linux linux Kernel |
|
| Vendors & Products |
Linux
Linux linux Kernel |
Wed, 08 Oct 2025 00:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Tue, 07 Oct 2025 15:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: test_firmware: fix memory leak in test_firmware_init() When misc_register() failed in test_firmware_init(), the memory pointed by test_fw_config->name is not released. The memory leak information is as follows: unreferenced object 0xffff88810a34cb00 (size 32): comm "insmod", pid 7952, jiffies 4294948236 (age 49.060s) hex dump (first 32 bytes): 74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69 test-firmware.bi 6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n............... backtrace: [<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0 [<ffffffff81affb96>] kstrndup+0x46/0xc0 [<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware] [<ffffffffa040f068>] 0xffffffffa040f068 [<ffffffff81002c41>] do_one_initcall+0x141/0x780 [<ffffffff816a72c3>] do_init_module+0x1c3/0x630 [<ffffffff816adb9e>] load_module+0x623e/0x76a0 [<ffffffff816af471>] __do_sys_finit_module+0x181/0x240 [<ffffffff89978f99>] do_syscall_64+0x39/0xb0 [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd | |
| Title | test_firmware: fix memory leak in test_firmware_init() | |
| References |
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|
Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-05-11T19:21:11.394Z
Reserved: 2025-10-07T15:15:38.664Z
Link: CVE-2022-50529
No data.
Status : Analyzed
Published: 2025-10-07T16:15:36.883
Modified: 2026-03-17T16:57:47.620
Link: CVE-2022-50529
OpenCVE Enrichment
Updated: 2025-10-08T13:36:28Z