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Review reviewCritical

CVE-2025-22088

Linux Linux, linux kernel

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.

CVSS
9.8
EPSS
0.50%
39.8% percentile
CISA KEV
Not listed
Published
2025.04.17
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.50%
Technical severityCVSS 9.8

Vulnerability overview

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.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 920d93eac8b97778fef48f34f10e58ddf870fc2a < bc1db4d8f1b0dc480d7d745a60a8cc94ce2badd4, >= 920d93eac8b97778fef48f34f10e58ddf870fc2a < 667a628ab67d359166799fad89b3c6909599558a, >= 920d93eac8b97778fef48f34f10e58ddf870fc2a < a114d25d584c14019d31dbf2163780c47415a187, >= 920d93eac8b97778fef48f34f10e58ddf870fc2a < 78411a133312ce7d8a3239c76a8fd85bca1cc10f, >= 920d93eac8b97778fef48f34f10e58ddf870fc2a < 7aa6bb5276d9fec98deb05615a086eeb893854ad, >= 920d93eac8b97778fef48f34f10e58ddf870fc2a < 83437689249e6a17b25e27712fbee292e42e7855, >= 6.0, >= 6.0 < 6.1.134, >= 6.2 < 6.6.87, >= 6.7 < 6.12.23, >= 6.13 < 6.13.11, >= 6.14 < 6.14.2
Fixed versions
6.1.134, 6.6.87, 6.12.23, 6.13.11, 6.14.2

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416