8.6

CVE-2025-22004: net: atm: fix use after free in lec_send()

Modified
AliasesUBUNTU-CVE-2025-22004DEBIAN-CVE-2025-22004
Published 03-04-2025Last modified 05-08-2026

Vulnerability summary

CVE-2025-22004 is a high (CVSS 8.6) Use After Free vulnerability in linux. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 30.1% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 8.6 (CVE.org); no exploitation reported by the 5 checked sources; EPSS 0% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
8.6/10
010
High · v3.1 (CVE.org)
EPSS score
0.36%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 75 · Related 56
DLA-4178-1DLA-4193-1DSA-5900-1MGASA-2025-0142MGASA-2025-0146RHSA-2025:10379

Timeline

  1. 03-04-2025
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix use after free in lec_send() The ->send() operation frees skb so save the length before calling ->send() to avoid a use after free.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.36%

Chance of exploitation in the next 30 days

Percentile

30%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.36% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu137 products
  • linuxAll versions (No fix recorded) | < 5.4.0-218.238 | < 5.15.0-142.152 | < 6.8.0-84.84
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1147.157 | < 5.15.0-1086.93 | < 6.8.0-1039.41
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 50e288097c2c6e5f374ae079394436fc29d1e88e | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 8cd90c7db08f32829bfa1b5b2b11fbc542afbab7 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 82d9084a97892de1ee4881eb5c17911fcd9be6f6 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 51e8be9578a2e74f9983d8fd8de8cafed191f30c | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 9566f6ee13b17a15d0a47667ad1b1893c539f730 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 326223182e4703cde99fdbd36d07d0b3de9980fb | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f3271f7548385e0096739965961c7cbf7e6b4762 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f3009d0d6ab78053117f8857b921a8237f4d17b3 | 2.6.12
  • linux_kernel≥ 2.6.12, < 6.1.132 | ≥ 6.2, < 6.6.85 | ≥ 6.7, < 6.12.21 | ≥ 6.13, < 6.13.9 | 6.14:rc1 | 6.14:rc2 | 6.14:rc3 | 6.14:rc4
Debian1 product
  • linux< 6.1.133-1 | < 6.12.21-1

3 vendors · 140 products

References

54 links
Show all 54 references