In the Linux kernel, the following vulnerability has been resolved:
xsk: require at least 16 bytes of TX metadata
AF_XDP accepts a TX metadata length as small as eight bytes, but every supported request needs the flags plus at least one eight-byte request field. Such short metadata also lets the kernel read beyond the registered area.
Require 16 bytes rather than sizeof(struct xsk_tx_metadata) to preserve compatibility with applications that do not use launch-time metadata.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-tools-develUpgrade kernel6.18-headersUpgrade kernel6.18-develUpgrade kernel6.18-tools-debuginfoUpgrade bpftool6.18-debuginfoUpgrade python3-perf6.18Upgrade kernel6.18-debuginfoUpgrade kernel-livepatch-6.18.48-107.148Upgrade kernel6.18-debuginfo-common-x86_64Upgrade python3-perf6.18-debuginfoUpgrade perf6.18Upgrade kernel6.18Upgrade kernel6.18-modules-extra-commonUpgrade microvm-kernel6.18Upgrade bpftool6.18Upgrade kernel6.18-modules-extraUpgrade kernel6.18-debuginfo-common-aarch64Upgrade perf6.18-debuginfoUpgrade kernel6.18-tools | Sep 30, 2026 | Aug 22, 2026 |
| Debian | — | Upgrade linux-6.12Upgrade linux | Aug 26, 2026 | Aug 26, 2026 |
| Redhat_linux | — | No solution exists | Aug 26, 2026 | Aug 22, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 15, 2026 | Aug 22, 2026 |
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