{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2025-21648", "ASSIGNER": "cve@kernel.org", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: conntrack: clamp maximum hashtable size to INT_MAX\n\nUse INT_MAX as maximum size for the conntrack hashtable. Otherwise, it\nis possible to hit WARN_ON_ONCE in __kvmalloc_node_noprof() when\nresizing hashtable because __GFP_NOWARN is unset. See:\n\n 0708a0afe291 (\"mm: Consider __GFP_NOWARN flag for oversized kvmalloc() calls\")\n\nNote: hashtable resize is only possible from init_netns." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "Linux", "product": { "product_data": [ { "product_name": "Linux", "version": { "version_data": [ { "version_affected": "<", "version_name": "9cc1c73ad66610bffc80b691136ffc1e9a3b1a58", "version_value": "a965f7f0ea3ae61b9165bed619d5d6da02c75f80" }, { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "version": "4.7", "status": "affected" }, { "version": "0", "lessThan": "4.7", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.234", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.177", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.125", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.72", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12.10", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://git.kernel.org/stable/c/a965f7f0ea3ae61b9165bed619d5d6da02c75f80", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/a965f7f0ea3ae61b9165bed619d5d6da02c75f80" }, { "url": "https://git.kernel.org/stable/c/b1b2353d768f1b80cd7fe045a70adee576b9b338", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/b1b2353d768f1b80cd7fe045a70adee576b9b338" }, { "url": "https://git.kernel.org/stable/c/5552b4fd44be3393b930434a7845d8d95a2a3c33", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/5552b4fd44be3393b930434a7845d8d95a2a3c33" }, { "url": "https://git.kernel.org/stable/c/d5807dd1328bbc86e059c5de80d1bbee9d58ca3d", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/d5807dd1328bbc86e059c5de80d1bbee9d58ca3d" }, { "url": "https://git.kernel.org/stable/c/f559357d035877b9d0dcd273e0ff83e18e1d46aa", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/f559357d035877b9d0dcd273e0ff83e18e1d46aa" }, { "url": "https://git.kernel.org/stable/c/b541ba7d1f5a5b7b3e2e22dc9e40e18a7d6dbc13", "refsource": "MISC", "name": "https://git.kernel.org/stable/c/b541ba7d1f5a5b7b3e2e22dc9e40e18a7d6dbc13" } ] }, "generator": { "engine": "bippy-5f407fcff5a0" } }