CVE-2025-38375: virtio-net: ensure the received length does not exceed allocated size
Vulnerability summary
CVE-2025-38375 is a high (CVSS 8.4) Out-of-bounds Read vulnerability in debian debian_linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11% of scored vulnerabilities.
Not severe (CVSS 8.4, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 59 · Related 54Timeline
- 25-07-2025PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: virtio-net: ensure the received length does not exceed allocated size In xdp_linearize_page, when reading the following buffers from the ring, we forget to check the received length with the true allocate size. This can lead to an out-of-bound read. This commit adds that missing check.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated8.4HighCVSS:3.1/AV:L/AC:L/PR:N/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:HDiffers
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.18% 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, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu145 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 | < 6.12.37-1
- debian_linuxEOL11.0
Linux2 products
- linux≥ 4941d472bf95b4345d6e38906fcf354e74afa311, < 773e95c268b5d859f51f7547559734fd2a57660c | ≥ 4941d472bf95b4345d6e38906fcf354e74afa311, < ddc8649d363141fb3371dd81a73e1cb4ef8ed1e1 | ≥ 4941d472bf95b4345d6e38906fcf354e74afa311, < 982beb7582c193544eb9c6083937ec5ac1c9d651 | ≥ 4941d472bf95b4345d6e38906fcf354e74afa311, < 6aca3dad2145e864dfe4d1060f45eb1bac75dd58 | ≥ 4941d472bf95b4345d6e38906fcf354e74afa311, < 80b971be4c37a4d23a7f1abc5ff33dc7733d649b | ≥ 4941d472bf95b4345d6e38906fcf354e74afa311, < bc68bc3563344ccdc57d1961457cdeecab8f81ef | ≥ 4941d472bf95b4345d6e38906fcf354e74afa311, < 11f2d0e8be2b5e784ac45fa3da226492c3e506d8 | ≥ 4941d472bf95b4345d6e38906fcf354e74afa311, < 315dbdd7cdf6aa533829774caaf4d25f1fd20e73 | 4.14
- linux_kernel≥ 4.14, < 5.4.297 | ≥ 5.5, < 5.10.241 | ≥ 5.11, < 5.15.189 | ≥ 5.16, < 6.1.144 | ≥ 6.2, < 6.6.97 | ≥ 6.7, < 6.12.37 | ≥ 6.13, < 6.15.6 | 6.16:rc1 | 6.16:rc2 | 6.16:rc3 | 6.16:rc4
3 vendors · 149 products
References
46 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