In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double a

In the Linux

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double aggregation of flush-marked skbs Commit 0ab03f353d36 ("net-gro: Fix GRO flush when receiving a GSO packet.") added a flush check to skb_gro_receive(), but skb_gro_receive_list() lacks the same validation.

Do this now

Watch for your distribution's kernel fix for GRO aggregation and apply it once released.

First seen: 24 Oct 2026
Last update: 24 Oct 2026, 01:17 UTC
Identifiers: CVE-2026-68136
CVSS: 9.8
Source: news
On the menu as: Linux kernel

Check this repository for exposure to one security incident from pwned.coffee. Report first, change nothing until I say so.

## In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double a
Severity: critical. Patch status: fix status unknown.
Affected: In the Linux
Ids: CVE-2026-68136

In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double aggregation of flush-marked skbs Commit 0ab03f353d36 ("net-gro: Fix GRO flush when receiving a GSO packet.") added a flush check to skb_gro_receive(), but skb_gro_receive_list() lacks the same validation.

## Steps
1. This touches infrastructure (linux). Look in terraform, ansible, cloud-init, Dockerfiles and docs for the product and version we run. If it isn't in the repo, say so and list what a human should check on the box.
2. There is no fix yet. Until one ships: In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double aggregation of flush-marked skbs Commit 0ab03f353d36 ("net-gro: Fix GRO flush when receiving a GSO packet.") added a flush check to skb_gro_receive(), but skb_gro_receive_list() lacks the same validation.

## Report
A table: file, product or package, version in use, affected yes/no, exact fix. Then anything a human has to check outside the repo.

If you have the pwned.coffee MCP server (https://pwned.coffee/mcp), call lookup_cve("CVE-2026-68136") for the latest, and check_repo with this repo's lockfiles, Dockerfiles and workflows for a full receipt.
Sources: https://git.kernel.org/stable/c/107e1a469f53a2a70874f3f12bf6fcd23925da1d https://nvd.nist.gov/vuln/detail/CVE-2026-68136
https://pwned.coffee/i/in-the-linux-kernel-the-following-vulnerability-has-been-cve-2026-68136

Timeline

24 Oct 2026, 01:17 UTC
Proof-of-concept code for CVE-2026-68136 is public on GitHub. Unverified, but expect scanning to follow.
24 Oct 2026
First reported.

Sources

Totalone very hot coffee