CVE-2026-99046

High

In the Linux kernel, the following vulnerability has been resolved: gve: fix XSK buffer leak on error descriptor When the error bit is set in the RX completion descriptor, the buf_state and its attached buffer should be freed. In the case of AF_XDP ZC, the XSK buffer was not freed, leading to a leak. This issue was caught by LLM.

Package Linux Kernel
Published 2026-10-23
Last modified 2026-10-24
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.5

out of 10
High
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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.

Affected from
≥ 6.17
Fixed in
✓ 6.18.57 6.18.x ✓ 7.2.11 7.2.x ✓ 7.3

References

3 total

Frequently asked questions

  • What is CVE-2026-99046?

    CVE-2026-99046 is a High severity Linux kernel vulnerability with a CVSS score of 7.5 out of 10 . It affects Linux kernel versions from 6.17 onward and has been patched in 6.18.57, 7.2.11 and 7.3. CVE-2026-99046 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2026-99046?

    CVE-2026-99046 has a CVSS score of 7.5 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H .

  • Is there a patch available for CVE-2026-99046?

    Yes. CVE-2026-99046 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.

  • Is CVE-2026-99046 actively exploited?

    No. CVE-2026-99046 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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