CVE-2022-50529
Estado: AnalizadaMedia (5.5)—
In the Linux kernel, the following vulnerability has been resolved:
test_firmware: fix memory leak in test_firmware_init()
Detalles técnicos trazas, registros y código del informe original
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+0x63/0xcdCVSS
- Versión: 3.1
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Puntuación base: 5.5
Probabilidad de explotación (EPSS)
- Probabilidad de explotación en los próximos 30 días: 0.16%
- Percentil entre todas las CVEs puntuadas: 4
- Fecha de la puntuación: 6/10/2026
EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).
Tecnologías afectadas (1)
CWE
- CWE-401
Referencias
- https://git.kernel.org/stable/c/04dd47a2e169f2d4489636afa07ff0469aab49ab
- https://git.kernel.org/stable/c/0b5a89e8bce1ea43687742b4de8e216189ff94ac
- https://git.kernel.org/stable/c/357379d504c0c8b0834e206ad8c49e4b3c98ed4d
- https://git.kernel.org/stable/c/628de998a3abfffb3f9677d2fb39a1d5dcb32fdb
- https://git.kernel.org/stable/c/6dd5fbd243f19f087dc79481acb7d69fb57fea2c
- https://git.kernel.org/stable/c/7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2e
- https://git.kernel.org/stable/c/8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247
- https://git.kernel.org/stable/c/ed5cbafaf7ce8b86f19998c00eb020c8d49b017f
JSON original (NVD)
Mostrar
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntest_firmware: fix memory leak in test_firmware_init()\n\nWhen misc_register() failed in test_firmware_init(), the memory pointed\nby test_fw_config->name is not released. The memory leak information is\nas follows:\nunreferenced object 0xffff88810a34cb00 (size 32):\n comm \"insmod\", pid 7952, jiffies 4294948236 (age 49.060s)\n hex dump (first 32 bytes):\n 74 65 73 74 2d 66 69 72 6d 77 61 72 65 2e 62 69 test-firmware.bi\n 6e 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 n...............\n backtrace:\n [<ffffffff81b21fcb>] __kmalloc_node_track_caller+0x4b/0xc0\n [<ffffffff81affb96>] kstrndup+0x46/0xc0\n [<ffffffffa0403a49>] __test_firmware_config_init+0x29/0x380 [test_firmware]\n [<ffffffffa040f068>] 0xffffffffa040f068\n [<ffffffff81002c41>] do_one_initcall+0x141/0x780\n [<ffffffff816a72c3>] do_init_module+0x1c3/0x630\n [<ffffffff816adb9e>] load_module+0x623e/0x76a0\n [<ffffffff816af471>] __do_sys_finit_module+0x181/0x240\n [<ffffffff89978f99>] do_syscall_64+0x39/0xb0\n [<ffffffff89a0008b>] entry_SYSCALL_64_after_hwframe+0x63/0xcd"
}
],
"lastModified": "2026-06-17T05:23:43.920",
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