CVE-2026-63999In 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 buff…
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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
- 5.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weakness (CWE)
- CWE-401
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Oct 8, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
linux linux_kernel linux:linux_kernel | from 5.15.181 before 5.16; from 6.1.135 before 6.2; from 6.6.88 before 6.7; from 6.12.24 before 6.13; from 6.13.12 before 6.14; from 6.14.3 before 6.15; from 6.15.1 before 6.18.35; from 6.19 before 7.0.12; and 12 more ranges | NVD |
References
- https://git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3patch
- https://git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047eapatch
- https://git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435fpatch
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.