{"id":"CVE-2026-43125","summary":"dlm: validate length in dlm_search_rsb_tree","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndlm: validate length in dlm_search_rsb_tree\n\nThe len parameter in dlm_dump_rsb_name() is not validated and comes\nfrom network messages. When it exceeds DLM_RESNAME_MAXLEN, it can\ncause out-of-bounds write in dlm_search_rsb_tree().\n\nAdd length validation to prevent potential buffer overflow.","modified":"2026-06-11T19:14:22.478423321Z","published":"2026-05-06T11:27:10.903Z","related":["ALSA-2026:25120","ALSA-2026:25121","ALSA-2026:25217"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43125.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/080e5563f878c64e697b89e7439d730d0daad882"},{"type":"WEB","url":"https://git.kernel.org/stable/c/082083c9fbd99422a0370fe2102144a231c9f5d6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5f053a2e7209d326cbbc07738fa6d6893d307438"},{"type":"WEB","url":"https://git.kernel.org/stable/c/67288113c5e6cf9e659b4065c0ed6f16100e0c71"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43125.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43125"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"7210cb7a72a22303cdb225bd1aea28697a17bbae"},{"fixed":"67288113c5e6cf9e659b4065c0ed6f16100e0c71"},{"fixed":"082083c9fbd99422a0370fe2102144a231c9f5d6"},{"fixed":"5f053a2e7209d326cbbc07738fa6d6893d307438"},{"fixed":"080e5563f878c64e697b89e7439d730d0daad882"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43125.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.4.0"},{"fixed":"6.12.75"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43125.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}