5.5

CVE-2025-21935: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2025-21935DEBIAN-CVE-2025-21935
Published 01-04-2025Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2025-21935 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 62 · Related 59
DLA-4178-1DLA-4193-1DSA-5900-1SUSE-SU-2025:01614-1SUSE-SU-2025:01707-1SUSE-SU-2025:01919-1

Timeline

  1. 01-04-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: rapidio: add check for rio_add_net() in rio_scan_alloc_net() The return value of rio_add_net() should be checked. If it fails, put_device() should be called to free the memory and give up the reference initialized in rio_add_net().

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

11%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu136 products
  • linuxAll versions (No fix recorded) | < 5.4.0-216.236 | < 5.15.0-140.150 | < 6.8.0-84.84
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1146.156 | < 5.15.0-1084.91 | < 6.8.0-1039.41
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ e6b585ca6e81badeb3d42db3cc408174f2826034, < 6d22953c4a183d0b7fdf34d68c5debd16da6edc5 | ≥ e6b585ca6e81badeb3d42db3cc408174f2826034, < 4f3509cfcc02e9d757f2714bb7dbbeec35de6fa7 | ≥ e6b585ca6e81badeb3d42db3cc408174f2826034, < 181d4daaefb3bceeb2f2635ba9f3781eeda9e550 | ≥ e6b585ca6e81badeb3d42db3cc408174f2826034, < ad82be4298a89a9ae46f07128bdf3d8614bce745 | ≥ e6b585ca6e81badeb3d42db3cc408174f2826034, < e6411c3b9512dba09af7d014d474516828c89706 | ≥ e6b585ca6e81badeb3d42db3cc408174f2826034, < c332f3e2df0fcae5a45fd55cc18902fb1e4825ca | ≥ e6b585ca6e81badeb3d42db3cc408174f2826034, < a0d069ccc475abaaa79c6368ee27fc0b5912bea8 | ≥ e6b585ca6e81badeb3d42db3cc408174f2826034, < e842f9a1edf306bf36fe2a4d847a0b0d458770de | 4.6
  • linux_kernel≥ 4.6, < 5.4.291 | ≥ 5.5, < 5.10.235 | ≥ 5.11, < 5.15.179 | ≥ 5.16, < 6.1.131 | ≥ 6.2, < 6.6.83 | ≥ 6.7, < 6.12.19 | ≥ 6.13, < 6.13.7 | 6.14:rc1 | 6.14:rc2 | 6.14:rc3 | 6.14:rc4 | 6.14:rc5
Debian1 product
  • linux< 6.1.133-1 | < 6.12.19-1

3 vendors · 139 products

References

62 links
Show all 62 references