CVE-2025-22088: RDMA/erdma: Prevent use-after-free in erdma_accept_newconn()
Vulnerability summary
CVE-2025-22088 is a critical (CVSS 9.8) Use After Free vulnerability in linux. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 45.5% of scored vulnerabilities.
Severe, CVSS 9.8 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 1% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 30 · Related 24Timeline
- 16-04-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.54%
Chance of exploitation in the next 30 days
Percentile
46%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.53% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu106 products
- linux< 6.8.0-63.66
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 6.8.0-1031.33
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 920d93eac8b97778fef48f34f10e58ddf870fc2a, < bc1db4d8f1b0dc480d7d745a60a8cc94ce2badd4 | ≥ 920d93eac8b97778fef48f34f10e58ddf870fc2a, < 667a628ab67d359166799fad89b3c6909599558a | ≥ 920d93eac8b97778fef48f34f10e58ddf870fc2a, < a114d25d584c14019d31dbf2163780c47415a187 | ≥ 920d93eac8b97778fef48f34f10e58ddf870fc2a, < 78411a133312ce7d8a3239c76a8fd85bca1cc10f | ≥ 920d93eac8b97778fef48f34f10e58ddf870fc2a, < 7aa6bb5276d9fec98deb05615a086eeb893854ad | ≥ 920d93eac8b97778fef48f34f10e58ddf870fc2a, < 83437689249e6a17b25e27712fbee292e42e7855 | 6.0
- linux_kernel≥ 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
Debian1 product
- linux< 6.1.135-1 | < 6.12.25-1
3 vendors · 109 products