{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64412","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-19T15:36:31.786Z","datePublished":"2026-07-25T08:50:52.946Z","dateUpdated":"2026-08-17T04:55:11.246Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T04:55:11.246Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: ebtables: module names must be null-terminated\n\nWe need to explicitly check the length, else we may pass non-null\nterminated string to request_module()."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","baseScore":7.1,"baseSeverity":"HIGH"},"scenarios":[{"lang":"en","value":"AV:L - The vulnerable ebtables replacement path is reached through a local setsockopt syscall, not through received network traffic.\nAC:L - The attacker controls the complete table blob, including offsets, allocation size, and unterminated match name; no race or uncontrollable condition is required.\nPR:L - The path requires CAP_NET_ADMIN in the socket network namespace, which an unprivileged user can obtain by creating user and network namespaces on deployments permitting unprivileged user namespaces.\nUI:N - Exploitation requires no action by another user after the attacker invokes setsockopt with the crafted table.\nS:U - The vulnerability affects the host kernel within the same security authority and does not cross a virtualization or IOMMU boundary.\nC:H - The unbounded %s traversal constitutes an out-of-bounds kernel read that can continue beyond the match-name field and table allocation; under the required higher-severity treatment for unbounded OOB reads, confidentiality impact is High.\nI:N - The vulnerable operation only reads while formatting a module name; there is no demonstrated out-of-bounds write, use-after-free, or control-flow modification primitive.\nA:H - A page-aligned nonzero table blob can make vsnprintf scan into the vmalloc guard page, causing a kernel oops or panic, and the attacker can repeat the trigger."}]}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bridge/netfilter/ebtables.c"],"versions":[{"version":"bcf4934288402be3464110109a4dae3bd6fb3e93","lessThan":"43dd2332b8a27b3ac5108791680cade654ab0f96","status":"affected","versionType":"git"},{"version":"bcf4934288402be3464110109a4dae3bd6fb3e93","lessThan":"5777c8f1c3610786d8482b8f620f40fccaf1542b","status":"affected","versionType":"git"},{"version":"bcf4934288402be3464110109a4dae3bd6fb3e93","lessThan":"0ddca0f90fa3395111d078ae4399615cf3ea94aa","status":"affected","versionType":"git"},{"version":"bcf4934288402be3464110109a4dae3bd6fb3e93","lessThan":"d2367d99f2455f373996d9ddbe833dbe9f942213","status":"affected","versionType":"git"},{"version":"bcf4934288402be3464110109a4dae3bd6fb3e93","lessThan":"da32e78bbb187ed7b137e0007034185570a3a172","status":"affected","versionType":"git"},{"version":"bcf4934288402be3464110109a4dae3bd6fb3e93","lessThan":"13a5f532e3a4fc75c33060a026def1572c208643","status":"affected","versionType":"git"},{"version":"bcf4934288402be3464110109a4dae3bd6fb3e93","lessThan":"7b217960e88b5d2d1e8cdcbcaf3bdf6fe199a0c8","status":"affected","versionType":"git"},{"version":"bcf4934288402be3464110109a4dae3bd6fb3e93","lessThan":"084d23f818321390509e9738a0b08bbf46df6425","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/bridge/netfilter/ebtables.c"],"versions":[{"version":"4.6","status":"affected"},{"version":"0","lessThan":"4.6","status":"unaffected","versionType":"semver"},{"version":"5.10.261","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.212","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.178","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.145","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.96","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.39","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.4","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"4.6","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.6","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/43dd2332b8a27b3ac5108791680cade654ab0f96"},{"url":"https://git.kernel.org/stable/c/5777c8f1c3610786d8482b8f620f40fccaf1542b"},{"url":"https://git.kernel.org/stable/c/0ddca0f90fa3395111d078ae4399615cf3ea94aa"},{"url":"https://git.kernel.org/stable/c/d2367d99f2455f373996d9ddbe833dbe9f942213"},{"url":"https://git.kernel.org/stable/c/da32e78bbb187ed7b137e0007034185570a3a172"},{"url":"https://git.kernel.org/stable/c/13a5f532e3a4fc75c33060a026def1572c208643"},{"url":"https://git.kernel.org/stable/c/7b217960e88b5d2d1e8cdcbcaf3bdf6fe199a0c8"},{"url":"https://git.kernel.org/stable/c/084d23f818321390509e9738a0b08bbf46df6425"}],"title":"netfilter: ebtables: module names must be null-terminated","x_generator":{"engine":"bippy-1.2.0"}}}}