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CVE-2023-54102— scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow

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lpfc_debugfs_lockstat_write函数缺少缓冲区边界检查，可能导致缓冲区溢出。

AI Predicted 5.5 Difficulty: Easy EPSS 0.24% · P14

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 6a828b0f6192b4930894925d1c1d0dc1f1d99e6e< 644a9d5e22761a41d5005a26996a643da96de962 affected
6a828b0f6192b4930894925d1c1d0dc1f1d99e6e< e0e7faee3a7dd6f51350cda64997116a247eb045 affected
6a828b0f6192b4930894925d1c1d0dc1f1d99e6e< f91037487036e2d2f18d3c2481be6b9a366bde7f affected
6a828b0f6192b4930894925d1c1d0dc1f1d99e6e< a9df88cb31dcbd72104ec5883f35cbc1fb587e47 affected
6a828b0f6192b4930894925d1c1d0dc1f1d99e6e< ad050f6cf681ebb850a9d4bc19474d3896476301 affected
6a828b0f6192b4930894925d1c1d0dc1f1d99e6e< c6087b82a9146826564a55c5ca0164cac40348f5 affected
5.1 affected
< 5.1 unaffected
… +6 more rows
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I. Basic Information for CVE-2023-54102

Vulnerability Information
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Vulnerability Title
scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Prevent lpfc_debugfs_lockstat_write() buffer overflow A static code analysis tool flagged the possibility of buffer overflow when using copy_from_user() for a debugfs entry. Currently, it is possible that copy_from_user() copies more bytes than what would fit in the mybuf char array. Add a min() restriction check between sizeof(mybuf) - 1 and nbytes passed from the userspace buffer to protect against buffer overflow.
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lpfc_debugfs_lockstat_write函数缺少缓冲区边界检查，可能导致缓冲区溢出。
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 6a828b0f6192b4930894925d1c1d0dc1f1d99e6e ~ 644a9d5e22761a41d5005a26996a643da96de962 -
Linux Linux 5.1 -

II. Public POCs for CVE-2023-54102

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III. Intelligence Information for CVE-2023-54102

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Other References for CVE-2023-54102 (5)

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

CVE-2023-54076 9.8 CRITICAL smb: client: fix missed ses refcounting
CVE-2022-50717 9.8 CRITICAL nvmet-tcp: add bounds check on Transfer Tag
CVE-2025-68745 9.8 CRITICAL scsi: qla2xxx: Clear cmds after chip reset
CVE-2025-68741 9.8 CRITICAL scsi: qla2xxx: Fix improper freeing of purex item
CVE-2023-54090 9.8 CRITICAL ixgbe: Fix panic during XDP_TX with > 64 CPUs
CVE-2023-54094 9.8 CRITICAL net: prevent skb corruption on frag list segmentation
CVE-2023-53867 9.8 CRITICAL ceph: fix potential use-after-free bug when trimming caps
CVE-2025-68359 9.8 CRITICAL btrfs: fix double free of qgroup record after failure to add delayed ref head
CVE-2025-68726 9.8 CRITICAL crypto: aead - Fix reqsize handling
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-2023-54060 8.8 HIGH iommufd: Set end correctly when doing batch carry
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-2025-68736 8.8 HIGH landlock: Fix handling of disconnected directories
CVE-2023-54040 8.8 HIGH ice: fix wrong fallback logic for FDIR
CVE-2023-54092 8.8 HIGH KVM: s390: pv: fix index value of replaced ASCE
CVE-2023-54120 8.8 HIGH Bluetooth: Fix race condition in hidp_session_thread
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

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-2023-54102

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