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Review reviewHigh

CVE-2025-38180

Linux Linux, linux kernel, debian linux

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix /proc/net/atm/lec handling /proc/net/atm/lec must ensure safety against dev_lec[] changes. It appears it had dev_put() calls without prior dev_hold(), leading to imbalance and UAF.

CVSS
7.8
EPSS
0.17%
7.04% percentile
CISA KEV
Not listed
Published
2025.07.04
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.17%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: net: atm: fix /proc/net/atm/lec handling /proc/net/atm/lec must ensure safety against dev_lec[] changes. It appears it had dev_put() calls without prior dev_hold(), leading to imbalance and UAF.

Affected product and versions

Product
Linux Linux, linux kernel, debian linux
Affected versions
>= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fcfccf56f4eba7d00aa2d33c7bb1b33083237742, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f2d1443b18806640abdb530e88009af7be2588e7, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ca3829c18c8d0ceb656605d3bff6bb3dfb078589, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e612c4b014f5808fbc6beae21f5ccaca5e76a2f8, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a5e3a144268899f1a8c445c8a3bfa15873ba85e8, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 5fe1b23a2f87f43aeeac51e08819cbc6fd808cbc, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 9b9aeb3ada44d8abea1e31e4446113f460848ae4, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d03b79f459c7935cff830d98373474f440bd03ae, >= 2.6.12, >= 2.6.13 < 5.4.295, >= 5.5 < 5.10.239, >= 5.11 < 5.15.186, >= 5.16 < 6.1.142, >= 6.2 < 6.6.95, >= 6.7 < 6.12.35, >= 6.13 < 6.15.4, 2.6.12, 6.16, 11.0
Fixed versions
5.4.295, 5.10.239, 5.15.186, 6.1.142, 6.6.95, 6.12.35, 6.15.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel, debian linux 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:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416
CVE-2025-38180 — Linux Linux, linux kernel, debian linux | SECUFOCUS NOW