mctp: i2c: fix skb memory leak in receive path
Summary
| CVE | CVE-2026-43457 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-08 15:16:58 UTC |
| Updated | 2026-05-12 14:10:27 UTC |
| Description | In the Linux kernel, the following vulnerability has been resolved: mctp: i2c: fix skb memory leak in receive path When 'midev->allow_rx' is false, the newly allocated skb isn't consumed by netif_rx(), it needs to free the skb directly. |
Risk And Classification
EPSS: 0.000240000 probability, percentile 0.070360000 (date 2026-05-12)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected f5b8abf9fc3dacd7529d363e26fe8230935d65f8 0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb git | Not specified |
| CNA | Linux | Linux | affected f5b8abf9fc3dacd7529d363e26fe8230935d65f8 d7900a43b0a314a645ca0a2adf45928dbc7001f4 git | Not specified |
| CNA | Linux | Linux | affected f5b8abf9fc3dacd7529d363e26fe8230935d65f8 9f81be2ab9d8e4744871bfb3e868ef413413829f git | Not specified |
| CNA | Linux | Linux | affected f5b8abf9fc3dacd7529d363e26fe8230935d65f8 1ec54187e1aa40a4cfa2b265e9a311179f24b98d git | Not specified |
| CNA | Linux | Linux | affected f5b8abf9fc3dacd7529d363e26fe8230935d65f8 1b1be322342a6b0085bf6ee52235e5ac9834ec25 git | Not specified |
| CNA | Linux | Linux | affected f5b8abf9fc3dacd7529d363e26fe8230935d65f8 e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69 git | Not specified |
| CNA | Linux | Linux | affected 5.18 | Not specified |
| CNA | Linux | Linux | unaffected 5.18 semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.167 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.130 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.78 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.19 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.9 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/d7900a43b0a314a645ca0a2adf45928dbc7001f4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1ec54187e1aa40a4cfa2b265e9a311179f24b98d | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1b1be322342a6b0085bf6ee52235e5ac9834ec25 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/9f81be2ab9d8e4744871bfb3e868ef413413829f | 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.