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CVE-2025-22088— RDMA/erdma: Prevent use-after-free in erdma_accept_newconn()

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erdma_accept_newconn中存在释放后重用风险。

CVSS 9.8 · Critical EPSS 0.54% · P45

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 14

VendorProduct Version RangeStatus
Linux Linux 920d93eac8b97778fef48f34f10e58ddf870fc2a< bc1db4d8f1b0dc480d7d745a60a8cc94ce2badd4 affected
920d93eac8b97778fef48f34f10e58ddf870fc2a< 667a628ab67d359166799fad89b3c6909599558a affected
920d93eac8b97778fef48f34f10e58ddf870fc2a< a114d25d584c14019d31dbf2163780c47415a187 affected
920d93eac8b97778fef48f34f10e58ddf870fc2a< 78411a133312ce7d8a3239c76a8fd85bca1cc10f affected
920d93eac8b97778fef48f34f10e58ddf870fc2a< 7aa6bb5276d9fec98deb05615a086eeb893854ad affected
920d93eac8b97778fef48f34f10e58ddf870fc2a< 83437689249e6a17b25e27712fbee292e42e7855 affected
6.0 affected
< 6.0 unaffected
… +6 more rows
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I. Basic Information for CVE-2025-22088

Vulnerability Information
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Vulnerability Title
RDMA/erdma: Prevent use-after-free in erdma_accept_newconn()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: RDMA/erdma: Prevent use-after-free in erdma_accept_newconn() After the erdma_cep_put(new_cep) being called, new_cep will be freed, and the following dereference will cause a UAF problem. Fix this issue.
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erdma_accept_newconn中存在释放后重用风险。
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 920d93eac8b97778fef48f34f10e58ddf870fc2a ~ bc1db4d8f1b0dc480d7d745a60a8cc94ce2badd4 -
Linux Linux 6.0 -

II. Public POCs for CVE-2025-22088

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III. Intelligence Information for CVE-2025-22088

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Other References for CVE-2025-22088 (6)

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-2025-22086 8.8 HIGH RDMA/mlx5: Fix mlx5_poll_one() cur_qp update flow
CVE-2025-22118 8.8 HIGH ice: validate queue quanta parameters to prevent OOB access
CVE-2025-22074 8.8 HIGH ksmbd: fix r_count dec/increment mismatch
CVE-2025-22040 8.8 HIGH ksmbd: fix session use-after-free in multichannel connection
CVE-2025-22041 8.8 HIGH ksmbd: fix use-after-free in ksmbd_sessions_deregister()
CVE-2024-58096 8.8 HIGH wifi: ath11k: add srng->lock for ath11k_hal_srng_* in monitor mode
CVE-2025-23133 8.8 HIGH wifi: ath11k: update channel list in reg notifier instead reg worker
CVE-2025-22039 8.8 HIGH ksmbd: fix overflow in dacloffset bounds check
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-2025-22043 8.1 HIGH ksmbd: add bounds check for durable handle context
CVE-2025-22042 8.1 HIGH ksmbd: add bounds check for create lease context
CVE-2025-22085 7.8 HIGH RDMA/core: Fix use-after-free when rename device name
CVE-2025-22114 7.8 HIGH btrfs: don't clobber ret in btrfs_validate_super()

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-2025-22088

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