In the Linux kernel, the following vulnerability has been resolved:
rxrpc: Fix integer overflow in rxgk_verify_response()
In rxgk_verify_response(), there's a potential integer overflow due to rounding up token_len before checking it, thereby allowing the length check to be bypassed.
Fix this by checking the unrounded value against len too (len is limited as the response must fit in a single UDP packet).
CVSS Details
- CVSS 3.1 Base Score: 9.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Apr 24, 2026 |
| Ubuntu | — | Upgrade linux-image-azureUpgrade linux-image-gcp-6.17Upgrade linux-image-6.17.0-1020-oracleUpgrade linux-image-oracle-64kUpgrade linux-image-6.17.0-42-genericUpgrade linux-image-realtime-6.17Upgrade linux-image-nvidia-64k-hwe-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-6.17.0-1031-nvidiaUpgrade linux-image-oem-24.04dUpgrade linux-image-6.17.0-1022-azureUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-gcpUpgrade linux-image-virtual-6.17Upgrade linux-image-nvidia-64k-6.17Upgrade linux-image-oem-24.04aUpgrade linux-image-6.17.0-1022-gcp-64kUpgrade linux-image-oem-24.04cUpgrade linux-image-6.17.0-1019-realtimeUpgrade linux-image-6.17.0-1031-nvidia-64kUpgrade linux-image-oracle-64k-6.17Upgrade linux-image-6.17.0-1032-oemUpgrade linux-image-oracleUpgrade linux-image-oem-6.17Upgrade linux-image-azure-6.17Upgrade linux-image-gcp-64kUpgrade linux-image-oracle-6.17Upgrade linux-image-6.17.0-1020-oracle-64kUpgrade linux-image-nvidia-6.17Upgrade linux-image-6.17.0-1022-gcpUpgrade linux-image-nvidia-hwe-24.04Upgrade linux-image-6.17.0-42-generic-64kUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-generic-6.17Upgrade linux-image-oem-24.04bUpgrade linux-image-generic-64k-6.17 | May 25, 2026 | Apr 24, 2026 |
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