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CVE-2022-50717— nvmet-tcp: add bounds check on Transfer Tag

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，该漏洞源于缺少传输标签边界检查，可能导致越界访问。

CVSS 9.8 · Critical EPSS 0.82% · P56

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 872d26a391da92ed8f0c0f5cb5fef428067b7f30< 0d150ccd55dbfad36f55855b40b381884c98456e affected
872d26a391da92ed8f0c0f5cb5fef428067b7f30< d5bb45f47b37d10f010355686b28c9ebacb361d4 affected
872d26a391da92ed8f0c0f5cb5fef428067b7f30< ec8adf767e1cfa7031f853b8c71ba1963f07df15 affected
872d26a391da92ed8f0c0f5cb5fef428067b7f30< fcf82e4553db911d10234ff2390cfd0e2aa854e4 affected
872d26a391da92ed8f0c0f5cb5fef428067b7f30< 752593d04637ebdc87fd29cba81897f21ae053f0 affected
872d26a391da92ed8f0c0f5cb5fef428067b7f30< b6a545ffa2c192b1e6da4a7924edac5ba9f4ea2b affected
5.0 affected
< 5.0 unaffected
… +6 more rows
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I. Basic Information for CVE-2022-50717

Vulnerability Information
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Vulnerability Title
nvmet-tcp: add bounds check on Transfer Tag
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: add bounds check on Transfer Tag ttag is used as an index to get cmd in nvmet_tcp_handle_h2c_data_pdu(), add a bounds check to avoid out-of-bounds access.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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，该漏洞源于缺少传输标签边界检查，可能导致越界访问。
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 872d26a391da92ed8f0c0f5cb5fef428067b7f30 ~ 0d150ccd55dbfad36f55855b40b381884c98456e -
Linux Linux 5.0 -

II. Public POCs for CVE-2022-50717

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III. Intelligence Information for CVE-2022-50717

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Other References for CVE-2022-50717 (4)

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

CVE-2025-68741 9.8 CRITICAL scsi: qla2xxx: Fix improper freeing of purex item
CVE-2023-53867 9.8 CRITICAL ceph: fix potential use-after-free bug when trimming caps
CVE-2025-68726 9.8 CRITICAL crypto: aead - Fix reqsize handling
CVE-2025-68745 9.8 CRITICAL scsi: qla2xxx: Clear cmds after chip reset
CVE-2023-54094 9.8 CRITICAL net: prevent skb corruption on frag list segmentation
CVE-2023-54090 9.8 CRITICAL ixgbe: Fix panic during XDP_TX with > 64 CPUs
CVE-2023-54076 9.8 CRITICAL smb: client: fix missed ses refcounting
CVE-2025-68359 9.8 CRITICAL btrfs: fix double free of qgroup record after failure to add delayed ref head
CVE-2023-53996 9.3 CRITICAL x86/sev: Make enc_dec_hypercall() accept a size instead of npages
CVE-2023-54071 8.8 HIGH wifi: rtw88: use work to update rate to avoid RCU warning
CVE-2023-54120 8.8 HIGH Bluetooth: Fix race condition in hidp_session_thread
CVE-2023-54043 8.8 HIGH iommufd: Do not add the same hwpt to the ioas->hwpt_list twice
CVE-2022-50732 8.8 HIGH staging: rtl8192u: Fix use after free in ieee80211_rx()
CVE-2023-54092 8.8 HIGH KVM: s390: pv: fix index value of replaced ASCE
CVE-2023-54060 8.8 HIGH iommufd: Set end correctly when doing batch carry
CVE-2023-54040 8.8 HIGH ice: fix wrong fallback logic for FDIR
CVE-2025-68736 8.8 HIGH landlock: Fix handling of disconnected directories
CVE-2023-53986 8.6 HIGH mips: bmips: BCM6358: disable RAC flush for TP1
CVE-2022-50746 8.4 HIGH erofs: validate the extent length for uncompressed pclusters
CVE-2025-68365 8.2 HIGH fs/ntfs3: Initialize allocated memory before use

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-2022-50717

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