{"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": "2026-06-01T16:20:25.202Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-01T16:20:25.202Z"}, "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-rc4", "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-rc4"}, {"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"}}}}