CVE-2025-40236
- Source
- https://cve.org/CVERecord?id=CVE-2025-40236
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-40236.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2025-40236
- Downstream
- Published
- 2025-12-04T15:31:26.497Z
- Modified
- 2025-12-05T12:29:33.742779Z
- Summary
- virtio-net: zero unused hash fields
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
virtio-net: zero unused hash fields
When GSO tunnel is negotiated virtionethdrtnlfrom_skb() tries to initialize the tunnel metadata but forget to zero unused rxhash fields. This may leak information to another side. Fixing this by zeroing the unused hash fields.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40236.json" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/b2284768c6b32aa224ca7d0ef0741beb434f03aa
- https://git.kernel.org/stable/c/b625d231c66a6041e98817ffc944bf6e4c45b2e3
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/40xxx/CVE-2025-40236.json
- https://nvd.nist.gov/vuln/detail/CVE-2025-40236
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduceda2fb4bc4e2a6a031683910d85b278c1d25ae5420Fixedb625d231c66a6041e98817ffc944bf6e4c45b2e3Fixedb2284768c6b32aa224ca7d0ef0741beb434f03aa