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CVE-2025-22073— spufs: fix a leak on spufs_new_file() failure

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spufs_new_file失败时未正确释放资源，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Hard EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 20

VendorProduct Version RangeStatus
Linux Linux 3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e< b1eef06d10c1a9848e3a762919bbbe315a0a7cb4 affected
3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e< 132925bd6772d7614340fb755ac5415462ac8edd affected
3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e< 53b189651c33b5f1fb3b755e6a37a8206978514e affected
3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e< 96de7fbdc2dcadeebc17c3cb89e7cdab487bfce0 affected
3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e< 90d1b276d1b1379d20ad27d1f6349ba9f44a2e00 affected
3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e< 35f789ccebd69f6f9a1e0a9b85435003b2450065 affected
3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e< d791985ceeb081155b4e96d314ca54c7605dcbe0 affected
3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e< 0bd56e4e72c354b65c0a7e5ac1c09eca81949d5b affected
… +12 more rows
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I. Basic Information for CVE-2025-22073

Vulnerability Information
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Vulnerability Title
spufs: fix a leak on spufs_new_file() failure
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: spufs: fix a leak on spufs_new_file() failure It's called from spufs_fill_dir(), and caller of that will do spufs_rmdir() in case of failure. That does remove everything we'd managed to create, but... the problem dentry is still negative. IOW, it needs to be explicitly dropped.
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spufs_new_file失败时未正确释放资源，可能导致内存泄漏。
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 3f51dd91c80746a5cf76f8c4a77bfc88aa82bb9e ~ b1eef06d10c1a9848e3a762919bbbe315a0a7cb4 -
Linux Linux 2.6.16 -

II. Public POCs for CVE-2025-22073

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III. Intelligence Information for CVE-2025-22073

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Other References for CVE-2025-22073 (8)

Same Patch Batch · Linux · 2025-04-16 · 127 CVEs total

CVE-2025-22021 10.0 CRITICAL netfilter: socket: Lookup orig tuple for IPv6 SNAT
CVE-2025-22110 9.8 CRITICAL netfilter: nfnetlink_queue: Initialize ctx to avoid memory allocation error
CVE-2025-22077 9.8 CRITICAL Revert "smb: client: fix TCP timers deadlock after rmmod"
CVE-2025-22088 9.8 CRITICAL RDMA/erdma: Prevent use-after-free in erdma_accept_newconn()
CVE-2025-22040 8.8 HIGH ksmbd: fix session use-after-free in multichannel connection
CVE-2025-22118 8.8 HIGH ice: validate queue quanta parameters to prevent OOB access
CVE-2025-22041 8.8 HIGH ksmbd: fix use-after-free in ksmbd_sessions_deregister()
CVE-2025-22039 8.8 HIGH ksmbd: fix overflow in dacloffset bounds check
CVE-2024-58096 8.8 HIGH wifi: ath11k: add srng->lock for ath11k_hal_srng_* in monitor mode
CVE-2025-22086 8.8 HIGH RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow
CVE-2025-22074 8.8 HIGH ksmbd: fix r_count dec/increment mismatch
CVE-2025-23133 8.8 HIGH wifi: ath11k: update channel list in reg notifier instead reg worker
CVE-2025-22117 8.7 HIGH ice: fix using untrusted value of pkt_len in ice_vc_fdir_parse_raw()
CVE-2025-22108 8.6 HIGH bnxt_en: Mask the bd_cnt field in the TX BD properly
CVE-2025-22080 8.4 HIGH fs/ntfs3: Prevent integer overflow in hdr_first_de()
CVE-2025-22121 8.4 HIGH ext4: fix out-of-bound read in ext4_xattr_inode_dec_ref_all()
CVE-2025-22038 8.3 HIGH ksmbd: validate zero num_subauth before sub_auth is accessed
CVE-2025-22042 8.1 HIGH ksmbd: add bounds check for create lease context
CVE-2025-22043 8.1 HIGH ksmbd: add bounds check for durable handle context
CVE-2025-22045 7.8 HIGH x86/mm: Fix flush_tlb_range() when used for zapping normal PMDs

Showing top 20 of 127 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-22073

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