CVE-2026-99047
In the Linux kernel, the following vulnerability has been resolved: gve: fix XSK buffer leak when rings are stopped GVE does not free XSK buffers when resetting ring state as a part of stopping queues. This causes all XSK buffers which are posted to the NIC to be leaked. Free XSK buffers attached to an allocated buf_state when stopping rings. This issue was hit in production.
Affected versions
Linux kernel versions
6.17
and later are affected. Fixed in
6.18.57,
7.2.11,
7.3
and their respective stable series.
References
3 totalFrequently asked questions
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What is CVE-2026-99047?
CVE-2026-99047 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 6.17 onward and has been patched in 6.18.57, 7.2.11 and 7.3. CVE-2026-99047 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2026-99047?
Yes. CVE-2026-99047 has been patched. Fixed versions include 6.18.57, 7.2.11 and 7.3. If you are running Linux kernel 6.17 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2026-99047 actively exploited?
No. CVE-2026-99047 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.