CVE-2026-63999
Medium
Description
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJul 19, 2026
First seenJul 19, 2026
How to fix
Update
- linux linux_kernel5.16, 6.2, 6.7, 6.13, 6.14, 6.15, 6.18.35, 7.0.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.15.181 ≤ v < 5.16, 6.1.135 ≤ v < 6.2, 6.6.88 ≤ v < 6.7, 6.12.24 ≤ v < 6.13, 6.13.12 ≤ v < 6.14, 6.14.3 ≤ v < 6.15, 6.15.1 ≤ v < 6.18.35, 6.19 ≤ v < 7.0.12, 6.15, 7.1 | 5.16, 6.2, 6.7, 6.13, 6.14, 6.15, 6.18.35, 7.0.12 |
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