{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46231","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.106Z","datePublished":"2026-05-28T09:40:53.471Z","dateUpdated":"2026-06-14T18:04:27.129Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-14T18:04:27.129Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbatman-adv: bla: put backbone reference on failed claim hash insert\n\nWhen batadv_bla_add_claim() fails to insert a new claim into the hash, it\nleaked a reference to the backbone_gw for which the claim was intended.\nCall batadv_backbone_gw_put() on the error path to release the reference\nand avoid leaking the backbone_gw object."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/bridge_loop_avoidance.c"],"versions":[{"version":"3db0decf1185357d6ab2256d0dede1ca9efda03d","lessThan":"6c8b68a7ed667a63aa603ba4d3a7088be143007e","status":"affected","versionType":"git"},{"version":"3db0decf1185357d6ab2256d0dede1ca9efda03d","lessThan":"769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14","status":"affected","versionType":"git"},{"version":"3db0decf1185357d6ab2256d0dede1ca9efda03d","lessThan":"2888c9a154123db0254ae4fb9bea570c7e1f2e06","status":"affected","versionType":"git"},{"version":"3db0decf1185357d6ab2256d0dede1ca9efda03d","lessThan":"65419eb4259a26a3cd3f56fa0e3b3c113bf8c256","status":"affected","versionType":"git"},{"version":"3db0decf1185357d6ab2256d0dede1ca9efda03d","lessThan":"fd0ca034c1e71ca7613cde9dd892836b2c2831bd","status":"affected","versionType":"git"},{"version":"3db0decf1185357d6ab2256d0dede1ca9efda03d","lessThan":"0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0","status":"affected","versionType":"git"},{"version":"3db0decf1185357d6ab2256d0dede1ca9efda03d","lessThan":"7cccf4eb4f96d3c3af91a00b7a9caa652439542e","status":"affected","versionType":"git"},{"version":"3db0decf1185357d6ab2256d0dede1ca9efda03d","lessThan":"ba9d20ee9076dac32c371116bacbe72480eb356c","status":"affected","versionType":"git"},{"version":"3fdd337ac0b277a1f40aa73b35283520f426e517","status":"affected","versionType":"git"},{"version":"485eedfabc2aefac8f09f98a82ba1c1e3e202a6d","status":"affected","versionType":"git"},{"version":"3.16.39","lessThan":"3.17","status":"affected","versionType":"semver"},{"version":"4.4.217","lessThan":"4.5","status":"affected","versionType":"semver"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/batman-adv/bridge_loop_avoidance.c"],"versions":[{"version":"4.7","status":"affected"},{"version":"0","lessThan":"4.7","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.90","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.32","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.9","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"4.7","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.12.90"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.18.32"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.0.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"7.1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.16.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.4.217"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/6c8b68a7ed667a63aa603ba4d3a7088be143007e"},{"url":"https://git.kernel.org/stable/c/769f413d374ff2b6ff6d8d8c37b4c1178e6cdf14"},{"url":"https://git.kernel.org/stable/c/2888c9a154123db0254ae4fb9bea570c7e1f2e06"},{"url":"https://git.kernel.org/stable/c/65419eb4259a26a3cd3f56fa0e3b3c113bf8c256"},{"url":"https://git.kernel.org/stable/c/fd0ca034c1e71ca7613cde9dd892836b2c2831bd"},{"url":"https://git.kernel.org/stable/c/0baf4b659cdc7305cf685b5a5d60f9e3816ab5d0"},{"url":"https://git.kernel.org/stable/c/7cccf4eb4f96d3c3af91a00b7a9caa652439542e"},{"url":"https://git.kernel.org/stable/c/ba9d20ee9076dac32c371116bacbe72480eb356c"}],"title":"batman-adv: bla: put backbone reference on failed claim hash insert","x_generator":{"engine":"bippy-1.2.0"}}}}