CVE-2026-63999
MEDIUM severity · CVSS 5.5 · CWE-401
5.5CVSS MEDIUM
Summary
In the Linux kernel, the following vulnerability has been resolved: ethtool: rss: fix indir_table and hkey leak on get_rxfh failure rss_prepare_get() allocates the indirection table and hash key buffer via rss_get_data_alloc(), then calls ops->get_rxfh() to populate them. If get_rxfh() fails, the function returns an error without freeing the allocation.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)0%
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3 ↗
Additional information
- NVD record
- https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3Patch
- https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047eaPatch
- https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435fPatch
- https://git.kernel.org/stable/c/14dbf22c397b799b3a80f63fc90c2fc0585bbeb3
- https://git.kernel.org/stable/c/323faef6366349f57d4ad67d318a0c8906e360b3