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CVE-2022-50566— mtd: Fix device name leak when register device failed in add_mtd_device()

AI Predicted 5.6 Difficulty: Easy EPSS 0.09% · P26

Affected Version Matrix 20

VendorProductVersion RangeStatus
LinuxLinux1f24b5a8ecbb2a3c7080f418974d40e3ffedb221< a75f45afa932bfb24a2603ebcea5efd2e7cdcfd6affected
1f24b5a8ecbb2a3c7080f418974d40e3ffedb221< 2302e2dc42b1f84f951c725ce742fc21c5a1e151affected
1f24b5a8ecbb2a3c7080f418974d40e3ffedb221< db07fe76df01f40cb897d6e9066b84e46957beb3affected
1f24b5a8ecbb2a3c7080f418974d40e3ffedb221< fa0d32ab8407d7481450c664fd0de64f2dae9489affected
1f24b5a8ecbb2a3c7080f418974d40e3ffedb221< 330bc5533e8a8ed69cb951d5a8edce9bddb9db21affected
1f24b5a8ecbb2a3c7080f418974d40e3ffedb221< 71212d73184845c944ef1b43f092e643e5bde003affected
1f24b5a8ecbb2a3c7080f418974d40e3ffedb221< 1b172fb05d6315ecec082fd7544a3390e96f0d7eaffected
1f24b5a8ecbb2a3c7080f418974d40e3ffedb221< bcabe1dc2a344adbb3382930a23e273ba9382277affected
… +12 more rows
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I. Basic Information for CVE-2022-50566

Vulnerability Information
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Vulnerability Title
mtd: Fix device name leak when register device failed in add_mtd_device()
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
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，该漏洞源于注册设备失败时未清理设备名称，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 1f24b5a8ecbb2a3c7080f418974d40e3ffedb221 ~ a75f45afa932bfb24a2603ebcea5efd2e7cdcfd6 -
LinuxLinux 2.6.30 -

II. Public POCs for CVE-2022-50566

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III. Intelligence Information for CVE-2022-50566

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Patches & Fixes for CVE-2022-50566 (9)

Same Patch Batch · Linux · 2025-10-22 · 67 CVEs total

CVE-2023-53710wifi: mt76: mt7921: fix error code of return in mt7921_acpi_read
CVE-2023-53729soc: qcom: qmi_encdec: Restrict string length in decode
CVE-2023-53727net/sched: fq_pie: avoid stalls in fq_pie_timer()
CVE-2023-53728posix-timers: Ensure timer ID search-loop limit is valid
CVE-2023-53717wifi: ath9k: Fix potential stack-out-of-bounds write in ath9k_wmi_rsp_callback()
CVE-2023-53715wifi: brcmfmac: cfg80211: Pass the PMK in binary instead of hex
CVE-2023-53714drm/stm: ltdc: fix late dereference check
CVE-2023-53713arm64: sme: Use STR P to clear FFR context field in streaming SVE mode
CVE-2023-53712ARM: 9317/1: kexec: Make smp stop calls asynchronous
CVE-2023-53711NFS: Fix a potential data corruption
CVE-2023-53716net: fix skb leak in __skb_tstamp_tx()
CVE-2023-53709ring-buffer: Handle race between rb_move_tail and rb_check_pages
CVE-2023-53707drm/amdgpu: Fix integer overflow in amdgpu_cs_pass1
CVE-2023-53708ACPI: x86: s2idle: Catch multiple ACPI_TYPE_PACKAGE objects
CVE-2023-53705ipv6: Fix out-of-bounds access in ipv6_find_tlv()
CVE-2023-53706mm/vmemmap/devdax: fix kernel crash when probing devdax devices
CVE-2023-53704clk: imx: clk-imx8mp: improve error handling in imx8mp_clocks_probe()
CVE-2023-53702s390/crypto: use vector instructions only if available for ChaCha20
CVE-2023-53703HID: amd_sfh: Fix for shift-out-of-bounds
CVE-2023-53700media: max9286: Fix memleak in max9286_v4l2_register()

Showing top 20 of 67 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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