ethtool: rss: fix indir_table and hkey leak on get_rxfh failure
Summary
| CVE | CVE-2026-63999 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-19 16:17:39 UTC |
| Updated | 2026-07-19 16:17:39 UTC |
| 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. |
Risk And Classification
EPSS: 0.001660000 probability, percentile 0.061680000 (date 2026-07-20)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 4f038a6a02d20859a3479293cbf172b0f14cbdd6 33d05c22d6f227c5ae171c46df2f6f8bf48047ea git | Not specified |
| CNA | Linux | Linux | affected 4f038a6a02d20859a3479293cbf172b0f14cbdd6 80d95d92f828cfcace955d673637d944178b435f git | Not specified |
| CNA | Linux | Linux | affected 4f038a6a02d20859a3479293cbf172b0f14cbdd6 266297692f97008ca48bc311775c087c59bd7fe3 git | Not specified |
| CNA | Linux | Linux | affected 81a5174e64ce4fb7b7a2f6499b835c904c9451ee git | Not specified |
| CNA | Linux | Linux | affected ec9faff49a4ea27731de39cb887b7e590e93157b git | Not specified |
| CNA | Linux | Linux | affected c5ed0eaddcbda56079091fc3876b140a6e70a548 git | Not specified |
| CNA | Linux | Linux | affected a065b996052656a65afc51ad82336dc55ae4c72f git | Not specified |
| CNA | Linux | Linux | affected adee9db710a6117b978a25ed4153846b7c56ec9a git | Not specified |
| CNA | Linux | Linux | affected 5eb3fdc4b6281b29e830300c866a36d90442b1f0 git | Not specified |
| CNA | Linux | Linux | affected 5.15.181 5.16 semver | Not specified |
| CNA | Linux | Linux | affected 6.1.135 6.2 semver | Not specified |
| CNA | Linux | Linux | affected 6.6.88 6.7 semver | Not specified |
| CNA | Linux | Linux | affected 6.12.24 6.13 semver | Not specified |
| CNA | Linux | Linux | affected 6.13.12 6.14 semver | Not specified |
| CNA | Linux | Linux | affected 6.14.3 6.15 semver | Not specified |
| CNA | Linux | Linux | affected 6.15 | Not specified |
| CNA | Linux | Linux | unaffected 6.15 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.35 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0.12 7.0.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/33d05c22d6f227c5ae171c46df2f6f8bf48047ea | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/80d95d92f828cfcace955d673637d944178b435f | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/266297692f97008ca48bc311775c087c59bd7fe3 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.