CVE-2026-68129: gve: fix Rx queue stall on alloc failure
gve: fix Rx queue stall on alloc failure
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 6.6.152.1-1 - Upgrade
Upgrade
gveto a version that resolves this vulnerability.Patch gve: fix Rx queue stall on alloc failure - Compensating control
For gve, introduce a starvation recovery timer for each Rx queue so that when the number of buffers posted to hardware falls below a critical low threshold, NAPI is periodically rescheduled and the Rx buffer refill loop resumes after memory is freed.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-68129?
CVE-2026-68129 has a risk rating of 23, indicating a moderate level of vulnerability severity.
How do I fix CVE-2026-68129?
To fix CVE-2026-68129, ensure that your Linux kernel is updated to the latest stable version where the vulnerability has been patched.
What types of systems are affected by CVE-2026-68129?
CVE-2026-68129 affects systems running the affected versions of the Linux kernel, particularly under extreme memory pressure.
What impact does CVE-2026-68129 have on system performance?
CVE-2026-68129 can lead to stalled RX queues during buffer allocation failures, potentially degrading network performance.
Is CVE-2026-68129 considered critical?
CVE-2026-68129 is not classified as critical but poses significant risk under specific conditions, affecting reliability.