{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43457","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:56.010Z","datePublished":"2026-05-08T14:22:20.725Z","dateUpdated":"2026-05-11T22:24:57.488Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:24:57.488Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmctp: i2c: fix skb memory leak in receive path\n\nWhen 'midev->allow_rx' is false, the newly allocated skb isn't consumed\nby netif_rx(), it needs to free the skb directly."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/mctp/mctp-i2c.c"],"versions":[{"version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","lessThan":"0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb","status":"affected","versionType":"git"},{"version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","lessThan":"d7900a43b0a314a645ca0a2adf45928dbc7001f4","status":"affected","versionType":"git"},{"version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","lessThan":"9f81be2ab9d8e4744871bfb3e868ef413413829f","status":"affected","versionType":"git"},{"version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","lessThan":"1ec54187e1aa40a4cfa2b265e9a311179f24b98d","status":"affected","versionType":"git"},{"version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","lessThan":"1b1be322342a6b0085bf6ee52235e5ac9834ec25","status":"affected","versionType":"git"},{"version":"f5b8abf9fc3dacd7529d363e26fe8230935d65f8","lessThan":"e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/mctp/mctp-i2c.c"],"versions":[{"version":"5.18","status":"affected"},{"version":"0","lessThan":"5.18","status":"unaffected","versionType":"semver"},{"version":"6.1.167","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.130","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.78","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.19","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.9","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.1.167"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.6.130"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.12.78"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.18.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"6.19.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0fb2adbdd5c03e8c9ebcdc48afd414b2724c85eb"},{"url":"https://git.kernel.org/stable/c/d7900a43b0a314a645ca0a2adf45928dbc7001f4"},{"url":"https://git.kernel.org/stable/c/9f81be2ab9d8e4744871bfb3e868ef413413829f"},{"url":"https://git.kernel.org/stable/c/1ec54187e1aa40a4cfa2b265e9a311179f24b98d"},{"url":"https://git.kernel.org/stable/c/1b1be322342a6b0085bf6ee52235e5ac9834ec25"},{"url":"https://git.kernel.org/stable/c/e3f5e0f22cfc2371e7471c9fd5b4da78f9df7c69"}],"title":"mctp: i2c: fix skb memory leak in receive path","x_generator":{"engine":"bippy-1.2.0"}}}}