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Review reviewHigh

CVE-2025-22004

Linux Linux, linux kernel

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
8.6
EPSS
0.33%
25.5% percentile
CISA KEV
Not listed
Published
2025.04.03
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.33%
Technical severityCVSS 8.6

Vulnerability overview

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.

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 50e288097c2c6e5f374ae079394436fc29d1e88e, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8cd90c7db08f32829bfa1b5b2b11fbc542afbab7, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 82d9084a97892de1ee4881eb5c17911fcd9be6f6, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 51e8be9578a2e74f9983d8fd8de8cafed191f30c, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9566f6ee13b17a15d0a47667ad1b1893c539f730, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 326223182e4703cde99fdbd36d07d0b3de9980fb, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f3271f7548385e0096739965961c7cbf7e6b4762, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f3009d0d6ab78053117f8857b921a8237f4d17b3, >= 2.6.12, >= 2.6.12 < 6.1.132, >= 6.2 < 6.6.85, >= 6.7 < 6.12.21, >= 6.13 < 6.13.9, 6.14
Fixed versions
6.1.132, 6.6.85, 6.12.21, 6.13.9

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:L/I:L/A:H
CWE
CWE-416