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CVE-2023-54128— fs: drop peer group ids under namespace lock

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，该漏洞源于在清理对等组ID时未持有命名空间锁，可能导致挂载状态并发更改。

CVSS 7.8 · High EPSS 0.17% · P5

Possible ATT&CK Techniques 1 AI

T1055 · Process Injection

Affected Version Matrix 10

VendorProduct Version RangeStatus
Linux Linux 2a1867219c7b27f928e2545782b86daaf9ad50bd< 0af8fae81d8b7f1beddc17c5d4cfa43235134648 affected
2a1867219c7b27f928e2545782b86daaf9ad50bd< ddca03d97daa7b07b60c52e3d3060762732c6666 affected
2a1867219c7b27f928e2545782b86daaf9ad50bd< 65c324d3f35c05e37afec39ac80743583fdcc96c affected
2a1867219c7b27f928e2545782b86daaf9ad50bd< cb2239c198ad9fbd5aced22cf93e45562da781eb affected
5.12 affected
< 5.12 unaffected
5.15.107≤ 5.15.* unaffected
6.1.24≤ 6.1.* unaffected
… +2 more rows
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I. Basic Information for CVE-2023-54128

Vulnerability Information
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Vulnerability Title
fs: drop peer group ids under namespace lock
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: fs: drop peer group ids under namespace lock When cleaning up peer group ids in the failure path we need to make sure to hold on to the namespace lock. Otherwise another thread might just turn the mount from a shared into a non-shared mount concurrently.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/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，该漏洞源于在清理对等组ID时未持有命名空间锁，可能导致挂载状态并发更改。
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 2a1867219c7b27f928e2545782b86daaf9ad50bd ~ 0af8fae81d8b7f1beddc17c5d4cfa43235134648 -
Linux Linux 5.12 -

II. Public POCs for CVE-2023-54128

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III. Intelligence Information for CVE-2023-54128

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Other References for CVE-2023-54128 (2)

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-2023-54128

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