Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2022-50304— mtd: core: fix possible resource leak in init_mtd()

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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init_mtd函数中资源处理不当，可能导致资源泄漏。

AI Predicted 5.5 Difficulty: Theoretical EPSS 0.16% · P4

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 8

VendorProduct Version RangeStatus
Linux Linux 445caaa20c4d6da74f426464f90513b81157ad77< 78816504100cbd8e6836df9f58cc4fbb8b262f1c affected
445caaa20c4d6da74f426464f90513b81157ad77< 26c304a3f136009c5a2a04e2bf3ac6aa25aabcb4 affected
445caaa20c4d6da74f426464f90513b81157ad77< 1aadf01e5076b9ab6bf294b9622335c651314895 affected
4.10 affected
< 4.10 unaffected
6.0.16≤ 6.0.* unaffected
6.1.2≤ 6.1.* unaffected
6.2≤ * unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2022-50304

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
mtd: core: fix possible resource leak in init_mtd()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mtd: core: fix possible resource leak in init_mtd() I got the error report while inject fault in init_mtd(): sysfs: cannot create duplicate filename '/devices/virtual/bdi/mtd-0' Call Trace: <TASK> dump_stack_lvl+0x67/0x83 sysfs_warn_dup+0x60/0x70 sysfs_create_dir_ns+0x109/0x120 kobject_add_internal+0xce/0x2f0 kobject_add+0x98/0x110 device_add+0x179/0xc00 device_create_groups_vargs+0xf4/0x100 device_create+0x7b/0xb0 bdi_register_va.part.13+0x58/0x2d0 bdi_register+0x9b/0xb0 init_mtd+0x62/0x171 [mtd] do_one_initcall+0x6c/0x3c0 do_init_module+0x58/0x222 load_module+0x268e/0x27d0 __do_sys_finit_module+0xd5/0x140 do_syscall_64+0x37/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd </TASK> kobject_add_internal failed for mtd-0 with -EEXIST, don't try to register things with the same name in the same directory. Error registering mtd class or bdi: -17 If init_mtdchar() fails in init_mtd(), mtd_bdi will not be unregistered, as a result, we can't load the mtd module again, to fix this by calling bdi_unregister(mtd_bdi) after out_procfs label.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
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init_mtd函数中资源处理不当，可能导致资源泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 445caaa20c4d6da74f426464f90513b81157ad77 ~ 78816504100cbd8e6836df9f58cc4fbb8b262f1c -
Linux Linux 4.10 -

II. Public POCs for CVE-2022-50304

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2022-50304

请登录查看更多情报信息。

Same Patch Batch · Linux · 2025-09-15 · 210 CVEs total

CVE-2022-50235 9.8 CRITICAL NFSD: Protect against send buffer overflow in NFSv2 READDIR
CVE-2022-50335 9.8 CRITICAL 9p: set req refcount to zero to avoid uninitialized usage
CVE-2023-53192 9.8 CRITICAL vxlan: Fix nexthop hash size
CVE-2023-53253 8.8 HIGH HID: nvidia-shield: Reference hid_device devm allocation of input_dev name
CVE-2023-53226 8.8 HIGH wifi: mwifiex: Fix OOB and integer underflow when rx packets
CVE-2022-50241 8.8 HIGH NFSD: fix use-after-free on source server when doing inter-server copy
CVE-2023-53194 8.4 HIGH fs/ntfs3: Add length check in indx_get_root
CVE-2023-53213 8.1 HIGH wifi: brcmfmac: slab-out-of-bounds read in brcmf_get_assoc_ies()
CVE-2023-53186 8.1 HIGH skbuff: Fix a race between coalescing and releasing SKBs
CVE-2022-50310 7.8 HIGH ip6mr: fix UAF issue in ip6mr_sk_done() when addrconf_init_net() failed
CVE-2023-53254 7.8 HIGH cacheinfo: Fix shared_cpu_map to handle shared caches at different levels
CVE-2023-53252 7.8 HIGH Bluetooth: use RCU for hci_conn_params and iterate safely in hci_sync
CVE-2023-53170 7.8 HIGH net: dsa: Removed unneeded of_node_put in felix_parse_ports_node
CVE-2023-53176 7.8 HIGH serial: 8250: Reinit port->pm on port specific driver unbind
CVE-2023-53178 7.8 HIGH mm: fix zswap writeback race condition
CVE-2023-53179 7.8 HIGH netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for ip_set_hash_netportnet.c
CVE-2023-53184 7.8 HIGH arm64/sme: Set new vector length before reallocating
CVE-2022-50315 7.8 HIGH ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS
CVE-2023-53187 7.8 HIGH btrfs: fix use-after-free of new block group that became unused
CVE-2025-39800 7.8 HIGH btrfs: abort transaction on unexpected eb generation at btrfs_copy_root()

Showing top 20 of 210 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50304

No comments yet

Leave a comment