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CVE-2022-50669— misc: ocxl: fix possible name leak in ocxl_file_register_afu()

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ocxl设备注册错误路径中名称泄漏。

AI Predicted 4.4 Difficulty: Easy EPSS 0.25% · P16

Possible ATT&CK Techniques 1 AI

T1564.008 · Email Hiding Rules

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 75ca758adbafc81804c39b2c200ecdc819a6c042< 0cd05062371a49774e8a45258bdedf0bd6d3d327 affected
75ca758adbafc81804c39b2c200ecdc819a6c042< 7525741cb302a1672b8c3a5edb2a08e4229b5c7c affected
75ca758adbafc81804c39b2c200ecdc819a6c042< 3299983a6bf628249ac650908e62d12de959341e affected
75ca758adbafc81804c39b2c200ecdc819a6c042< 557b7de055d1e230ddb6664c29d26917b8db9143 affected
75ca758adbafc81804c39b2c200ecdc819a6c042< 2fce8b3583d1641a1716486f408478b58e96ec91 affected
75ca758adbafc81804c39b2c200ecdc819a6c042< a4cb1004aeed2ab893a058fad00a5b41a12c4691 affected
5.2 affected
< 5.2 unaffected
… +6 more rows
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I. Basic Information for CVE-2022-50669

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
misc: ocxl: fix possible name leak in ocxl_file_register_afu()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: misc: ocxl: fix possible name leak in ocxl_file_register_afu() If device_register() returns error in ocxl_file_register_afu(), the name allocated by dev_set_name() need be freed. As comment of device_register() says, it should use put_device() to give up the reference in the error path. So fix this by calling put_device(), then the name can be freed in kobject_cleanup(), and info is freed in info_release().
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ocxl设备注册错误路径中名称泄漏。
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 75ca758adbafc81804c39b2c200ecdc819a6c042 ~ 0cd05062371a49774e8a45258bdedf0bd6d3d327 -
Linux Linux 5.2 -

II. Public POCs for CVE-2022-50669

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III. Intelligence Information for CVE-2022-50669

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Same Patch Batch · Linux · 2025-12-09 · 152 CVEs total

CVE-2025-40343 9.8 CRITICAL nvmet-fc: avoid scheduling association deletion twice
CVE-2023-53794 9.8 CRITICAL cifs: fix session state check in reconnect to avoid use-after-free issue
CVE-2022-50666 9.8 CRITICAL RDMA/siw: Fix QP destroy to wait for all references dropped.
CVE-2023-53827 8.8 HIGH Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
CVE-2023-53785 8.8 HIGH mt76: mt7921: don't assume adequate headroom for SDIO headers
CVE-2023-53822 8.8 HIGH wifi: ath11k: Ignore frags from uninitialized peer in dp.
CVE-2025-40336 8.8 HIGH drm/gpusvm: fix hmm_pfn_to_map_order() usage
CVE-2025-40342 8.8 HIGH nvme-fc: use lock accessing port_state and rport state
CVE-2025-40328 8.8 HIGH smb: client: fix potential UAF in smb2_close_cached_fid()
CVE-2023-53851 8.4 HIGH drm/msm/dp: Drop aux devices together with DP controller
CVE-2025-40337 8.2 HIGH net: stmmac: Correctly handle Rx checksum offload errors
CVE-2022-50656 8.1 HIGH nfc: pn533: Clear nfc_target before being used
CVE-2023-53803 8.1 HIGH scsi: ses: Fix slab-out-of-bounds in ses_enclosure_data_process()
CVE-2023-53804 7.8 HIGH nilfs2: fix use-after-free bug of nilfs_root in nilfs_evict_inode()
CVE-2023-53819 7.8 HIGH amdgpu: validate offset_in_bo of drm_amdgpu_gem_va
CVE-2023-53816 7.8 HIGH drm/amdkfd: fix potential kgd_mem UAFs
CVE-2023-53800 7.8 HIGH ubi: Fix use-after-free when volume resizing failed
CVE-2023-53790 7.8 HIGH bpf: Zeroing allocated object from slab in bpf memory allocator
CVE-2023-53795 7.8 HIGH iommufd: IOMMUFD_DESTROY should not increase the refcount
CVE-2023-53810 7.8 HIGH blk-mq: release crypto keyslot before reporting I/O complete

Showing top 20 of 152 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50669

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