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CVE-2022-50160— mtd: maps: Fix refcount leak in ap_flash_init

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ap_flash_init函数中refcount泄漏问题。

AI Predicted 5.3 Difficulty: Theoretical EPSS 0.19% · P9

Possible ATT&CK Techniques 1 AI

T1098 · Account Manipulation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux b0afd44bc192ff4c0e90a5fc1724350bcfc32b33< 995fb2874bb5696357846a91e59181c600e6aac8 affected
b0afd44bc192ff4c0e90a5fc1724350bcfc32b33< d10855876a6f47add6ff621cef25cc0171dac162 affected
b0afd44bc192ff4c0e90a5fc1724350bcfc32b33< 80b1465b2ae81ebb59bbe62bcb7a7f7d4e9ece6f affected
b0afd44bc192ff4c0e90a5fc1724350bcfc32b33< 941ef6997f9db704fe4fd62fc01e420fdd5048b2 affected
b0afd44bc192ff4c0e90a5fc1724350bcfc32b33< d5730780e9ea84e5476752a47c749036c6a74af5 affected
b0afd44bc192ff4c0e90a5fc1724350bcfc32b33< a74322d4b897ddc268b340c4a397f6066c2f945d affected
b0afd44bc192ff4c0e90a5fc1724350bcfc32b33< babd7b0124650ab71a6487e38588b8659b3aa2dc affected
b0afd44bc192ff4c0e90a5fc1724350bcfc32b33< 77087a04c8fd554134bddcb8a9ff87b21f357926 affected
… +10 more rows
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I. Basic Information for CVE-2022-50160

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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: maps: Fix refcount leak in ap_flash_init
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: mtd: maps: Fix refcount leak in ap_flash_init of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak.
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ap_flash_init函数中refcount泄漏问题。
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 b0afd44bc192ff4c0e90a5fc1724350bcfc32b33 ~ 995fb2874bb5696357846a91e59181c600e6aac8 -
Linux Linux 4.7 -

II. Public POCs for CVE-2022-50160

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III. Intelligence Information for CVE-2022-50160

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Same Patch Batch · Linux · 2025-06-18 · 362 CVEs total

CVE-2025-38075 9.8 CRITICAL scsi: target: iscsi: Fix timeout on deleted connection
CVE-2022-50098 8.8 HIGH scsi: qla2xxx: Fix crash due to stale SRB access around I/O timeouts
CVE-2025-38052 8.8 HIGH net/tipc: fix slab-use-after-free Read in tipc_aead_encrypt_done
CVE-2022-49934 8.8 HIGH wifi: mac80211: Fix UAF in ieee80211_scan_rx()
CVE-2022-50164 8.8 HIGH wifi: iwlwifi: mvm: fix double list_add at iwl_mvm_mac_wake_tx_queue
CVE-2025-38016 8.8 HIGH HID: bpf: abort dispatch if device destroyed
CVE-2025-38074 8.8 HIGH vhost-scsi: protect vq->log_used with vq->mutex
CVE-2022-49974 8.8 HIGH HID: nintendo: fix rumble worker null pointer deref
CVE-2022-49968 8.0 HIGH ieee802154/adf7242: defer destroy_workqueue call
CVE-2022-49944 7.8 HIGH Revert "usb: typec: ucsi: add a common function ucsi_unregister_connectors()"
CVE-2022-49950 7.8 HIGH misc: fastrpc: fix memory corruption on open
CVE-2022-49939 7.8 HIGH binder: fix UAF of ref->proc caused by race condition
CVE-2022-50028 7.8 HIGH gadgetfs: ep_io - wait until IRQ finishes
CVE-2022-49935 7.8 HIGH dma-buf/dma-resv: check if the new fence is really later
CVE-2025-38082 7.8 HIGH gpio: virtuser: fix potential out-of-bound write
CVE-2022-50182 7.8 HIGH media: imx-jpeg: Align upwards buffer size
CVE-2025-38080 7.8 HIGH drm/amd/display: Increase block_sequence array size
CVE-2025-38060 7.8 HIGH bpf: copy_verifier_state() should copy 'loop_entry' field
CVE-2022-50101 7.8 HIGH video: fbdev: vt8623fb: Check the size of screen before memset_io()
CVE-2025-38062 7.8 HIGH genirq/msi: Store the IOMMU IOVA directly in msi_desc instead of iommu_cookie

Showing top 20 of 362 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50160

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