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CVE-2022-48966— net: mvneta: Prevent out of bounds read in mvneta_config_rss()

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net:mvneta子系统中mvneta_config_rss函数中的越界读取问题。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.24% · P15

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux cad5d847a093077b499a8b0bbfe6804b9226c03e< 3ceffb8f410b93553fb16fe7e84aa0d35b3ba79b affected
cad5d847a093077b499a8b0bbfe6804b9226c03e< 47a1a2f6cd5ec3a4f8a2d9bfa1e0605347cdb92c affected
cad5d847a093077b499a8b0bbfe6804b9226c03e< 5a142486a0db6b0b85031f22d69acd0cdcf8f72b affected
cad5d847a093077b499a8b0bbfe6804b9226c03e< eec1fc21edc2bb99c9e66cf66f0b5d4d643fbb50 affected
cad5d847a093077b499a8b0bbfe6804b9226c03e< 146ebee8fcdb349d7ec0e49915e6cdafb92544ae affected
cad5d847a093077b499a8b0bbfe6804b9226c03e< a6b30598fec84f8809f5417cde73071ca43e8471 affected
cad5d847a093077b499a8b0bbfe6804b9226c03e< 6ca0a506dddc3e1d636935eef339576b263bf3d8 affected
cad5d847a093077b499a8b0bbfe6804b9226c03e< e8b4fc13900b8e8be48debffd0dfd391772501f7 affected
… +10 more rows
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I. Basic Information for CVE-2022-48966

Vulnerability Information
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Vulnerability Title
net: mvneta: Prevent out of bounds read in mvneta_config_rss()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: mvneta: Prevent out of bounds read in mvneta_config_rss() The pp->indir[0] value comes from the user. It is passed to: if (cpu_online(pp->rxq_def)) inside the mvneta_percpu_elect() function. It needs bounds checkeding to ensure that it is not beyond the end of the cpu bitmap.
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net:mvneta子系统中mvneta_config_rss函数中的越界读取问题。
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 cad5d847a093077b499a8b0bbfe6804b9226c03e ~ 3ceffb8f410b93553fb16fe7e84aa0d35b3ba79b -
Linux Linux 4.5 -

II. Public POCs for CVE-2022-48966

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III. Intelligence Information for CVE-2022-48966

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Patches & Fixes for CVE-2022-48966 (7)

Same Patch Batch · Linux · 2024-10-21 · 372 CVEs total

CVE-2024-50033 9.8 CRITICAL slip: make slhc_remember() more robust against malicious packets
CVE-2024-49855 9.8 CRITICAL nbd: fix race between timeout and normal completion
CVE-2024-47695 9.8 CRITICAL RDMA/rtrs-clt: Reset cid to con_num - 1 to stay in bounds
CVE-2022-48985 9.8 CRITICAL net: mana: Fix race on per-CQ variable napi work_done
CVE-2022-49003 9.8 CRITICAL nvme: fix SRCU protection of nvme_ns_head list
CVE-2024-50043 9.8 CRITICAL nfsd: fix possible badness in FREE_STATEID
CVE-2024-50047 9.8 CRITICAL smb: client: fix UAF in async decryption
CVE-2024-50046 9.8 CRITICAL NFSv4: Prevent NULL-pointer dereference in nfs42_complete_copies()
CVE-2024-49996 9.4 CRITICAL cifs: Fix buffer overflow when parsing NFS reparse points
CVE-2024-47678 9.4 CRITICAL icmp: change the order of rate limits
CVE-2022-48962 8.8 HIGH net: hisilicon: Fix potential use-after-free in hisi_femac_rx()
CVE-2024-49950 8.8 HIGH Bluetooth: L2CAP: Fix uaf in l2cap_connect
CVE-2024-49939 8.8 HIGH wifi: rtw89: avoid to add interface to list twice when SER
CVE-2022-48967 8.8 HIGH NFC: nci: Bounds check struct nfc_target arrays
CVE-2022-48964 8.8 HIGH ravb: Fix potential use-after-free in ravb_rx_gbeth()
CVE-2024-50029 8.8 HIGH Bluetooth: hci_conn: Fix UAF in hci_enhanced_setup_sync
CVE-2024-49930 8.8 HIGH wifi: ath11k: fix array out-of-bound access in SoC stats
CVE-2024-50041 8.8 HIGH i40e: Fix macvlan leak by synchronizing access to mac_filter_hash
CVE-2024-49936 8.8 HIGH net/xen-netback: prevent UAF in xenvif_flush_hash()
CVE-2022-48954 8.8 HIGH s390/qeth: fix use-after-free in hsci

Showing top 20 of 372 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2022-48966

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