CVE-2025-38180: net: atm: fix /proc/net/atm/lec handling
Vulnerability summary
CVE-2025-38180 is a high (CVSS 7.8) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.5% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 60 · Related 40Timeline
- 04-07-2025PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
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 metrics
5 scores · 4 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
Increase +0.01 pp
From 0.19% 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: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu146 products
- linuxAll versions (No fix recorded) | < 5.15.0-156.166 | < 6.8.0-100.100
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1092.99 | < 6.8.0-1046.49
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.147-1 | < 6.12.35-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < fcfccf56f4eba7d00aa2d33c7bb1b33083237742 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < f2d1443b18806640abdb530e88009af7be2588e7 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < ca3829c18c8d0ceb656605d3bff6bb3dfb078589 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < e612c4b014f5808fbc6beae21f5ccaca5e76a2f8 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < a5e3a144268899f1a8c445c8a3bfa15873ba85e8 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 5fe1b23a2f87f43aeeac51e08819cbc6fd808cbc | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < 9b9aeb3ada44d8abea1e31e4446113f460848ae4 | ≥ 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2, < d03b79f459c7935cff830d98373474f440bd03ae | 2.6.12
- linux_kernel≥ 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 | 2.6.12:rc2 | 2.6.12:rc3 | 2.6.12:rc4 | 2.6.12:rc5 | 6.16:rc1 | 6.16:rc2
3 vendors · 150 products
References
32 links- lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlThird Party Advisory
- lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlThird Party Advisory