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CVE-2022-50529— test_firmware: fix memory leak in test_firmware_init()

EPSS 0.02% · P4

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinuxc92316bf8e94830a0225f2e904cbdbd173768419< ed5cbafaf7ce8b86f19998c00eb020c8d49b017faffected
c92316bf8e94830a0225f2e904cbdbd173768419< 04dd47a2e169f2d4489636afa07ff0469aab49abaffected
c92316bf8e94830a0225f2e904cbdbd173768419< 628de998a3abfffb3f9677d2fb39a1d5dcb32fdbaffected
c92316bf8e94830a0225f2e904cbdbd173768419< 0b5a89e8bce1ea43687742b4de8e216189ff94acaffected
c92316bf8e94830a0225f2e904cbdbd173768419< 357379d504c0c8b0834e206ad8c49e4b3c98ed4daffected
c92316bf8e94830a0225f2e904cbdbd173768419< 8d8c1d6a430f0aadb80036e2b1bc0a05f9fad247affected
c92316bf8e94830a0225f2e904cbdbd173768419< 6dd5fbd243f19f087dc79481acb7d69fb57fea2caffected
c92316bf8e94830a0225f2e904cbdbd173768419< 7610615e8cdb3f6f5bbd9d8e7a5d8a63e3cabf2eaffected
… +10 more rows
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I. Basic Information for CVE-2022-50529

Vulnerability Information
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Vulnerability Title
test_firmware: fix memory leak in test_firmware_init()
Source: NVD (National Vulnerability Database)
Vulnerability 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
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于test_firmware_init函数中misc_register失败时未释放test_fw_config指向的内存，可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux c92316bf8e94830a0225f2e904cbdbd173768419 ~ ed5cbafaf7ce8b86f19998c00eb020c8d49b017f -
LinuxLinux 4.14 -

II. Public POCs for CVE-2022-50529

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III. Intelligence Information for CVE-2022-50529

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Same Patch Batch · Linux · 2025-10-07 · 118 CVEs total

CVE-2022-50544usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info()
CVE-2023-53658spi: bcm-qspi: return error if neither hif_mspi nor mspi is available
CVE-2023-53657ice: Don't tx before switchdev is fully configured
CVE-2023-53656drivers/perf: hisi: Don't migrate perf to the CPU going to teardown
CVE-2023-53655rcu: Avoid stack overflow due to __rcu_irq_enter_check_tick() being kprobe-ed
CVE-2022-50555tipc: fix a null-ptr-deref in tipc_topsrv_accept
CVE-2022-50554blk-mq: avoid double ->queue_rq() because of early timeout
CVE-2022-50553tracing/hist: Fix out-of-bound write on 'action_data.var_ref_idx'
CVE-2022-50552blk-mq: use quiesced elevator switch when reinitializing queues
CVE-2022-50551wifi: brcmfmac: Fix potential shift-out-of-bounds in brcmf_fw_alloc_request()
CVE-2022-50550blk-iolatency: Fix memory leak on add_disk() failures
CVE-2022-50549dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata
CVE-2022-50547media: solo6x10: fix possible memory leak in solo_sysfs_init()
CVE-2022-50548media: i2c: hi846: Fix memory leak in hi846_parse_dt()
CVE-2022-50546ext4: fix uninititialized value in 'ext4_evict_inode'
CVE-2023-53654octeontx2-af: Add validation before accessing cgx and lmac
CVE-2022-50537firmware: raspberrypi: fix possible memory leak in rpi_firmware_probe()
CVE-2022-50536bpf, sockmap: Fix repeated calls to sock_put() when msg has more_data
CVE-2022-50535drm/amd/display: Fix potential null-deref in dm_resume
CVE-2023-53652vdpa: Add features attr to vdpa_nl_policy for nlattr length check

Showing top 20 of 118 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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