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CVE-2023-54131— wifi: rt2x00: Fix memory leak when handling surveys

AI Predicted 5.5 Difficulty: Trivial EPSS 0.19% · P9

Affected Version Matrix 12

VendorProductVersion RangeStatus
LinuxLinux5447626910f5b8d964761ed4fa4feaf1a3ac47d0< eb77c0c0a17c53d83b5fe8e46490fb0a7ed9e6afaffected
5447626910f5b8d964761ed4fa4feaf1a3ac47d0< bea3f8aa999318bdffa2d17753e492f76904f0ceaffected
5447626910f5b8d964761ed4fa4feaf1a3ac47d0< 494064ffd60d044c097d514917c40913d1affbcaaffected
5447626910f5b8d964761ed4fa4feaf1a3ac47d0< 0354bce76ed1d775904acdb4cc0bf88c5b9b5b9faffected
5447626910f5b8d964761ed4fa4feaf1a3ac47d0< cbef9a83c51dfcb07f77cfa6ac26f53a1ea86f49affected
5.11affected
< 5.11unaffected
5.15.111≤ 5.15.*unaffected
… +4 more rows
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I. Basic Information for CVE-2023-54131

Vulnerability Information
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Vulnerability Title
wifi: rt2x00: Fix memory leak when handling surveys
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00: Fix memory leak when handling surveys When removing a rt2x00 device, its associated channel surveys are not freed, causing a memory leak observable with kmemleak: unreferenced object 0xffff9620f0881a00 (size 512): comm "systemd-udevd", pid 2290, jiffies 4294906974 (age 33.768s) hex dump (first 32 bytes): 70 44 12 00 00 00 00 00 92 8a 00 00 00 00 00 00 pD.............. 00 00 00 00 00 00 00 00 ab 87 01 00 00 00 00 00 ................ backtrace: [<ffffffffb0ed858b>] __kmalloc+0x4b/0x130 [<ffffffffc1b0f29b>] rt2800_probe_hw+0xc2b/0x1380 [rt2800lib] [<ffffffffc1a9496e>] rt2800usb_probe_hw+0xe/0x60 [rt2800usb] [<ffffffffc1ae491a>] rt2x00lib_probe_dev+0x21a/0x7d0 [rt2x00lib] [<ffffffffc1b3b83e>] rt2x00usb_probe+0x1be/0x980 [rt2x00usb] [<ffffffffc05981e2>] usb_probe_interface+0xe2/0x310 [usbcore] [<ffffffffb13be2d5>] really_probe+0x1a5/0x410 [<ffffffffb13be5c8>] __driver_probe_device+0x78/0x180 [<ffffffffb13be6fe>] driver_probe_device+0x1e/0x90 [<ffffffffb13be972>] __driver_attach+0xd2/0x1c0 [<ffffffffb13bbc57>] bus_for_each_dev+0x77/0xd0 [<ffffffffb13bd2a2>] bus_add_driver+0x112/0x210 [<ffffffffb13bfc6c>] driver_register+0x5c/0x120 [<ffffffffc0596ae8>] usb_register_driver+0x88/0x150 [usbcore] [<ffffffffb0c011c4>] do_one_initcall+0x44/0x220 [<ffffffffb0d6134c>] do_init_module+0x4c/0x220 Fix this by freeing the channel surveys on device removal. Tested with a RT3070 based USB wireless adapter.
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，该漏洞源于移除rt2x00设备时未释放关联的通道调查数据，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

VendorProductAffected VersionsCPESubscribe
LinuxLinux 5447626910f5b8d964761ed4fa4feaf1a3ac47d0 ~ eb77c0c0a17c53d83b5fe8e46490fb0a7ed9e6af -
LinuxLinux 5.11 -

II. Public POCs for CVE-2023-54131

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III. Intelligence Information for CVE-2023-54131

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Other References for CVE-2023-54131 (3)

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

CVE-2023-540769.8 CRITICALsmb: client: fix missed ses refcounting
CVE-2022-507179.8 CRITICALnvmet-tcp: add bounds check on Transfer Tag
CVE-2025-687459.8 CRITICALscsi: qla2xxx: Clear cmds after chip reset
CVE-2025-687419.8 CRITICALscsi: qla2xxx: Fix improper freeing of purex item
CVE-2023-540909.8 CRITICALixgbe: Fix panic during XDP_TX with > 64 CPUs
CVE-2023-540949.8 CRITICALnet: prevent skb corruption on frag list segmentation
CVE-2023-538679.8 CRITICALceph: fix potential use-after-free bug when trimming caps
CVE-2025-683599.8 CRITICALbtrfs: fix double free of qgroup record after failure to add delayed ref head
CVE-2025-687269.8 CRITICALcrypto: aead - Fix reqsize handling
CVE-2023-539969.3 CRITICALx86/sev: Make enc_dec_hypercall() accept a size instead of npages
CVE-2023-540718.8 HIGHwifi: rtw88: use work to update rate to avoid RCU warning
CVE-2023-540608.8 HIGHiommufd: Set end correctly when doing batch carry
CVE-2023-540438.8 HIGHiommufd: Do not add the same hwpt to the ioas->hwpt_list twice
CVE-2022-507328.8 HIGHstaging: rtl8192u: Fix use after free in ieee80211_rx()
CVE-2025-687368.8 HIGHlandlock: Fix handling of disconnected directories
CVE-2023-540408.8 HIGHice: fix wrong fallback logic for FDIR
CVE-2023-540928.8 HIGHKVM: s390: pv: fix index value of replaced ASCE
CVE-2023-541208.8 HIGHBluetooth: Fix race condition in hidp_session_thread
CVE-2023-539868.6 HIGHmips: bmips: BCM6358: disable RAC flush for TP1
CVE-2022-507468.4 HIGHerofs: validate the extent length for uncompressed pclusters

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

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-54131

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