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CVE-2022-48626— moxart: fix potential use-after-free on remove path

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，该漏洞源于存在释放后重用漏洞，mmc主机结构在访问之后会在moxart_remove()中释放。

AI Predicted 4.4 Difficulty: Hard EPSS 0.31% · P22

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 1b66e94e6b9995323190f31c51d8e1a6f516627e< f5dc193167591e88797262ec78515a0cbe79ff5f affected
1b66e94e6b9995323190f31c51d8e1a6f516627e< e6f580d0b3349646d4ee1ce0057eb273e8fb7e2e affected
1b66e94e6b9995323190f31c51d8e1a6f516627e< 9c25d5ff1856b91bd4365e813f566cb59aaa9552 affected
1b66e94e6b9995323190f31c51d8e1a6f516627e< 3a0a7ec5574b510b067cfc734b8bdb6564b31d4e affected
1b66e94e6b9995323190f31c51d8e1a6f516627e< be93028d306dac9f5b59ebebd9ec7abcfc69c156 affected
1b66e94e6b9995323190f31c51d8e1a6f516627e< af0e6c49438b1596e4be8a267d218a0c88a42323 affected
1b66e94e6b9995323190f31c51d8e1a6f516627e< 7f901d53f120d1921f84f7b9b118e87e94b403c5 affected
1b66e94e6b9995323190f31c51d8e1a6f516627e< bd2db32e7c3e35bd4d9b8bbff689434a50893546 affected
… +10 more rows
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I. Basic Information for CVE-2022-48626

Vulnerability Information
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Vulnerability Title
moxart: fix potential use-after-free on remove path
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: moxart: fix potential use-after-free on remove path It was reported that the mmc host structure could be accessed after it was freed in moxart_remove(), so fix this by saving the base register of the device and using it instead of the pointer dereference.
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，该漏洞源于存在释放后重用漏洞，mmc主机结构在访问之后会在moxart_remove()中释放。
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 1b66e94e6b9995323190f31c51d8e1a6f516627e ~ f5dc193167591e88797262ec78515a0cbe79ff5f -
Linux Linux 3.16 -

II. Public POCs for CVE-2022-48626

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III. Intelligence Information for CVE-2022-48626

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Other References for CVE-2022-48626 (6)

Same Patch Batch · Linux · 2024-02-25 · 11 CVEs total

CVE-2023-52469 7.8 HIGH drivers/amd/pm: fix a use-after-free in kv_parse_power_table
CVE-2023-52465 power: supply: Fix null pointer dereference in smb2_probe
CVE-2023-52467 mfd: syscon: Fix null pointer dereference in of_syscon_register()
CVE-2023-52468 class: fix use-after-free in class_register()
CVE-2023-52470 drm/radeon: check the alloc_workqueue return value in radeon_crtc_init()
CVE-2023-52471 ice: Fix some null pointer dereference issues in ice_ptp.c
CVE-2023-52472 crypto: rsa - add a check for allocation failure
CVE-2023-52473 thermal: core: Fix NULL pointer dereference in zone registration error path
CVE-2021-46904 net: hso: fix null-ptr-deref during tty device unregistration
CVE-2021-46905 net: hso: fix NULL-deref on disconnect regression

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48626

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