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CVE-2022-50664— media: dvb-frontends: fix leak of memory fw

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DVB前端固件内存泄漏。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.28% · P20

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 55f51efdb696ff6e9d2056377d05268a97f3d4e4< afccb6ac63fc4328bc61ba086a3cad30054d87c1 affected
55f51efdb696ff6e9d2056377d05268a97f3d4e4< a44828482bd5b11d728d7dac09b0d723aab9ff7b affected
55f51efdb696ff6e9d2056377d05268a97f3d4e4< b4d8fd008de1774d99a5b50acc03d92a1919c3a7 affected
55f51efdb696ff6e9d2056377d05268a97f3d4e4< 438a4a8dece2abac099777a00db91784c0996cdc affected
55f51efdb696ff6e9d2056377d05268a97f3d4e4< b42580c8d8aac11a66046897979cc13cfd04c541 affected
55f51efdb696ff6e9d2056377d05268a97f3d4e4< 438cd29fec3ea09769639f6032687e0c1434dbe0 affected
55f51efdb696ff6e9d2056377d05268a97f3d4e4< 25cab05aa2df904ee1fea37d8dfa0d92c951bb4e affected
55f51efdb696ff6e9d2056377d05268a97f3d4e4< 669fb90507dbaf419aa3871bf73160e93d50487f affected
… +12 more rows
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I. Basic Information for CVE-2022-50664

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Vulnerability Title
media: dvb-frontends: fix leak of memory fw
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: fix leak of memory fw
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DVB前端固件内存泄漏。
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

Vendor Product Affected Versions CPE Subscribe
Linux Linux 55f51efdb696ff6e9d2056377d05268a97f3d4e4 ~ afccb6ac63fc4328bc61ba086a3cad30054d87c1 -
Linux Linux 2.6.13 -

II. Public POCs for CVE-2022-50664

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III. Intelligence Information for CVE-2022-50664

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

CVE-2022-50666 9.8 CRITICAL RDMA/siw: Fix QP destroy to wait for all references dropped.
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-2025-40342 8.8 HIGH nvme-fc: use lock accessing port_state and rport state
CVE-2023-53822 8.8 HIGH wifi: ath11k: Ignore frags from uninitialized peer in dp.
CVE-2023-53785 8.8 HIGH mt76: mt7921: don't assume adequate headroom for SDIO headers
CVE-2025-40336 8.8 HIGH drm/gpusvm: fix hmm_pfn_to_map_order() usage
CVE-2023-53827 8.8 HIGH Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp}
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-2023-53800 7.8 HIGH ubi: Fix use-after-free when volume resizing failed
CVE-2023-53860 7.8 HIGH dm: don't attempt to queue IO under RCU protection
CVE-2023-53829 7.8 HIGH f2fs: flush inode if atomic file is aborted
CVE-2023-53790 7.8 HIGH bpf: Zeroing allocated object from slab in bpf memory allocator
CVE-2023-53836 7.8 HIGH bpf, sockmap: Fix skb refcnt race after locking changes
CVE-2023-53844 7.8 HIGH drm/ttm: Don't leak a resource on swapout move error
CVE-2023-53846 7.8 HIGH f2fs: fix to do sanity check on direct node in truncate_dnode()

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-2022-50664

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