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CVE-2025-68349— NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

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，该漏洞源于未清除NFS_INO_LAYOUTCOMMIT标志，可能导致空指针取消引用。

CVSS 7.5 · High EPSS 0.71% · P53

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux fe1cf9469d7bcb6af27e42eb555a41b0135bce4a< 084bebe82ad86f718a3af84f34761863e63164ed affected
fe1cf9469d7bcb6af27e42eb555a41b0135bce4a< b6e4e3a08c03200cc4b8067ec8ab3172a989d6fc affected
fe1cf9469d7bcb6af27e42eb555a41b0135bce4a< 104080582ae0aa6dce6c6d75ff89062efe84673b affected
fe1cf9469d7bcb6af27e42eb555a41b0135bce4a< f718f9ea6094843b8c059b073af49ad61e9f49bb affected
fe1cf9469d7bcb6af27e42eb555a41b0135bce4a< 59947dff0fb7c19c09ce6dccbcd253fd542b6c25 affected
fe1cf9469d7bcb6af27e42eb555a41b0135bce4a< ca2e7fdad7c683b64821c94a58b9b68733214dad affected
fe1cf9469d7bcb6af27e42eb555a41b0135bce4a< 38694f9aae00459ab443a7dc8b3949a6b33b560a affected
fe1cf9469d7bcb6af27e42eb555a41b0135bce4a< e0f8058f2cb56de0b7572f51cd563ca5debce746 affected
… +10 more rows
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I. Basic Information for CVE-2025-68349

Vulnerability Information
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Vulnerability Title
NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid Fixes a crash when layout is null during this call stack: write_inode -> nfs4_write_inode -> pnfs_layoutcommit_inode pnfs_set_layoutcommit relies on the lseg refcount to keep the layout around. Need to clear NFS_INO_LAYOUTCOMMIT otherwise we might attempt to reference a null layout.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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，该漏洞源于未清除NFS_INO_LAYOUTCOMMIT标志，可能导致空指针取消引用。
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 fe1cf9469d7bcb6af27e42eb555a41b0135bce4a ~ 084bebe82ad86f718a3af84f34761863e63164ed -
Linux Linux 4.10 -

II. Public POCs for CVE-2025-68349

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III. Intelligence Information for CVE-2025-68349

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Other References for CVE-2025-68349 (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-2025-68359 9.8 CRITICAL btrfs: fix double free of qgroup record after failure to add delayed ref head
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-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-2025-68349

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