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CVE-2023-53808— wifi: mwifiex: fix memory leak in mwifiex_histogram_read()

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mwifiex_histogram_read未释放内存，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.22% · P11

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73< d3b53ac2b60283f84bcc650aaa8af98500f37b56 affected
cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73< 7be90670b967d11f53a9d45bc88fa8ac9daf9709 affected
cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73< 8f717752f94efae84853e17f2589665c330a0cf5 affected
cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73< 0c4240d23db525208fd40dd6371ca3254fa1b93d affected
cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73< 308eb3a609ac39ca9c3e466b35e8825007c8d826 affected
cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73< 84081b4baafb49211193c6a056d5aee9c0e6ab8e affected
cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73< 5d66b32a6ecf2e2e1a9523eaa4f8b314832fe06c affected
cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73< f76e1da838377777557d78dfeb6d8c532f7118be affected
… +12 more rows
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I. Basic Information for CVE-2023-53808

Vulnerability Information
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Vulnerability Title
wifi: mwifiex: fix memory leak in mwifiex_histogram_read()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: fix memory leak in mwifiex_histogram_read() Always free the zeroed page on return from 'mwifiex_histogram_read()'.
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mwifiex_histogram_read未释放内存，可能导致内存泄漏。
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 cbf6e05527a7654ac1c4f4787dfd7a182fcc0c73 ~ d3b53ac2b60283f84bcc650aaa8af98500f37b56 -
Linux Linux 4.0 -

II. Public POCs for CVE-2023-53808

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III. Intelligence Information for CVE-2023-53808

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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-2023-53808

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