CVE-2026-63999

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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.1% chance of exploitation in the next 30 days; higher than 1% of CVEs (scores of 2026-10-25)

CWE

CWE-401

Published

2026-07-19

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/14dbf22c397b799b3a80f63fc90c2fc0585bbeb3
• https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3
• https://git.kernel.org/stable/c/323faef6366349f57d4ad67d318a0c8906e360b3
• https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea
• https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f

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