virtio-net: ensure the received length does not exceed allocated size

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2025-38375
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2025-07-25 13:15:26 UTC
Updated2026-07-30 06:23:10 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-125

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1416baaa9-dc9f-4396-8d5f-8c081fb06d67Secondary8.4HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.4HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 4941d472bf95b4345d6e38906fcf354e74afa311 773e95c268b5d859f51f7547559734fd2a57660c git Not specified
CNA Linux Linux affected 4941d472bf95b4345d6e38906fcf354e74afa311 ddc8649d363141fb3371dd81a73e1cb4ef8ed1e1 git Not specified
CNA Linux Linux affected 4941d472bf95b4345d6e38906fcf354e74afa311 982beb7582c193544eb9c6083937ec5ac1c9d651 git Not specified
CNA Linux Linux affected 4941d472bf95b4345d6e38906fcf354e74afa311 6aca3dad2145e864dfe4d1060f45eb1bac75dd58 git Not specified
CNA Linux Linux affected 4941d472bf95b4345d6e38906fcf354e74afa311 80b971be4c37a4d23a7f1abc5ff33dc7733d649b git Not specified
CNA Linux Linux affected 4941d472bf95b4345d6e38906fcf354e74afa311 bc68bc3563344ccdc57d1961457cdeecab8f81ef git Not specified
CNA Linux Linux affected 4941d472bf95b4345d6e38906fcf354e74afa311 11f2d0e8be2b5e784ac45fa3da226492c3e506d8 git Not specified
CNA Linux Linux affected 4941d472bf95b4345d6e38906fcf354e74afa311 315dbdd7cdf6aa533829774caaf4d25f1fd20e73 git Not specified
CNA Linux Linux affected 4.14 Not specified
CNA Linux Linux unaffected 4.14 semver Not specified
CNA Linux Linux unaffected 5.4.297 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.241 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.189 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.144 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.97 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.37 6.12.* semver Not specified
CNA Linux Linux unaffected 6.15.6 6.15.* semver Not specified
CNA Linux Linux unaffected 6.16 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/315dbdd7cdf6aa533829774caaf4d25f1fd20e73 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/6aca3dad2145e864dfe4d1060f45eb1bac75dd58 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/10/msg00008.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
git.kernel.org/stable/c/ddc8649d363141fb3371dd81a73e1cb4ef8ed1e1 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/982beb7582c193544eb9c6083937ec5ac1c9d651 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/80b971be4c37a4d23a7f1abc5ff33dc7733d649b 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/773e95c268b5d859f51f7547559734fd2a57660c 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/11f2d0e8be2b5e784ac45fa3da226492c3e506d8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/10/msg00007.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Third Party Advisory
git.kernel.org/stable/c/bc68bc3563344ccdc57d1961457cdeecab8f81ef 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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