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CVE-2022-50767— fbdev: smscufx: Fix several use-after-free bugs

EPSS 0.05% · P15
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I. Basic Information for CVE-2022-50767

Vulnerability Information
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Vulnerability Title
fbdev: smscufx: Fix several use-after-free bugs
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: smscufx: Fix several use-after-free bugs Several types of UAFs can occur when physically removing a USB device. Adds ufx_ops_destroy() function to .fb_destroy of fb_ops, and in this function, there is kref_put() that finally calls ufx_free(). This fix prevents multiple UAFs.
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，该漏洞源于物理移除USB设备时存在多个释放后重用漏洞。
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 3c8a63e22a0802fd56380f6ab305b419f18eb6f5 ~ 6f2075ea883e5d7730d0c9ebb1bb8e7a1a7e953f -
LinuxLinux 3.2 -

II. Public POCs for CVE-2022-50767

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III. Intelligence Information for CVE-2022-50767

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Same Patch Batch · Linux · 2025-12-24 · 322 CVEs total

CVE-2022-50753f2fs: fix to do sanity check on summary info
CVE-2022-50764ipv6/sit: use DEV_STATS_INC() to avoid data-races
CVE-2022-50763crypto: marvell/octeontx - prevent integer overflows
CVE-2022-50762fs/ntfs3: Avoid UBSAN error on true_sectors_per_clst()
CVE-2022-50760drm/amdgpu: Fix PCI device refcount leak in amdgpu_atrm_get_bios()
CVE-2022-50761x86/xen: Fix memory leak in xen_init_lock_cpu()
CVE-2022-50759media: i2c: ov5648: Free V4L2 fwnode data on unbind
CVE-2022-50758staging: vt6655: fix potential memory leak
CVE-2022-50756nvme-pci: fix mempool alloc size
CVE-2022-50757media: camss: Clean up received buffers on failed start of streaming
CVE-2022-50755udf: Avoid double brelse() in udf_rename()
CVE-2022-50750drm/panel/panel-sitronix-st7701: Remove panel on DSI attach failure
CVE-2022-50745staging: media: tegra-video: fix device_node use after free
CVE-2022-50746erofs: validate the extent length for uncompressed pclusters
CVE-2022-50747hfs: Fix OOB Write in hfs_asc2mac
CVE-2022-50748ipc: mqueue: fix possible memory leak in init_mqueue_fs()
CVE-2022-50751configfs: fix possible memory leak in configfs_create_dir()
CVE-2022-50754apparmor: fix a memleak in multi_transaction_new()
CVE-2022-50752md/raid5: Remove unnecessary bio_put() in raid5_read_one_chunk()
CVE-2022-50765RISC-V: kexec: Fix memory leak of elf header buffer

Showing top 20 of 322 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-50767

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