{"id":"CVE-2026-23084","state":"PUBLISHED","title":"be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nbe2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list\n\nWhen the parameter pmac_id_valid argument of be_cmd_get_mac_from_list() is\nset to false, the driver may request the PMAC_ID from the firmware of the\nnetwork card, and this function will store that PMAC_ID at the provided\naddress pmac_id. This is the contract of this function.\n\nHowever, there is a location within the driver where both\npmac_id_valid == false and pmac_id == NULL are being passed. This could\nresult in dereferencing a NULL pointer.\n\nTo resolve this issue, it is necessary to pass the address of a stub\nvariable to the function.","publishedAt":"2026-02-04T16:08:08.456Z","updatedAt":"2026-10-19T18:25:29.777Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"95046b927a54f461766f83a212c6a93bc5fd2e67","status":"affected","lessThan":"4cba480c9b9a3861a515262225cb53a1f5978344","versionType":"git"},{"version":"95046b927a54f461766f83a212c6a93bc5fd2e67","status":"affected","lessThan":"92c6dc181a18e6e0ddb872ed35cb48a9274829e4","versionType":"git"},{"version":"95046b927a54f461766f83a212c6a93bc5fd2e67","status":"affected","lessThan":"6c3e00888dbec887125a08b51a705b9b163fcdd1","versionType":"git"},{"version":"95046b927a54f461766f83a212c6a93bc5fd2e67","status":"affected","lessThan":"e206fb415db36bad52bb90c08d46ce71ffbe8a80","versionType":"git"},{"version":"95046b927a54f461766f83a212c6a93bc5fd2e67","status":"affected","lessThan":"47ffb4dcffe336f4a7bd0f3284be7aadc6484698","versionType":"git"},{"version":"95046b927a54f461766f83a212c6a93bc5fd2e67","status":"affected","lessThan":"31410a01a86bcb98c798d01061abf1f789c4f75a","versionType":"git"},{"version":"95046b927a54f461766f83a212c6a93bc5fd2e67","status":"affected","lessThan":"8215794403d264739cc676668087512950b2ff31","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/emulex/benet/be_cmds.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.12","versionType":"semver"},{"version":"5.10.249","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.199","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.162","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.122","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.68","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.8","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/emulex/benet/be_cmds.c"]}],"references":["https://git.kernel.org/stable/c/4cba480c9b9a3861a515262225cb53a1f5978344","https://git.kernel.org/stable/c/92c6dc181a18e6e0ddb872ed35cb48a9274829e4","https://git.kernel.org/stable/c/6c3e00888dbec887125a08b51a705b9b163fcdd1","https://git.kernel.org/stable/c/e206fb415db36bad52bb90c08d46ce71ffbe8a80","https://git.kernel.org/stable/c/47ffb4dcffe336f4a7bd0f3284be7aadc6484698","https://git.kernel.org/stable/c/31410a01a86bcb98c798d01061abf1f789c4f75a","https://git.kernel.org/stable/c/8215794403d264739cc676668087512950b2ff31","https://cert-portal.siemens.com/productcert/html/ssa-019113.html","https://cert-portal.siemens.com/productcert/html/ssa-457936.html"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:11:21.040Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/23xxx/CVE-2026-23084.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23084","state":"PUBLISHED","datePublished":"2026-02-04T16:08:08.456Z","dateUpdated":"2026-10-19T18:25:29.777Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-01-13T15:37:45.960Z"},"containers":{"cna":{"title":"be2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nbe2net: Fix NULL pointer dereference in be_cmd_get_mac_from_list\n\nWhen the parameter pmac_id_valid argument of be_cmd_get_mac_from_list() is\nset to false, the driver may request the PMAC_ID from the firmware of the\nnetwork card, and this function will store that PMAC_ID at the provided\naddress pmac_id. This is the contract of this function.\n\nHowever, there is a location within the driver where both\npmac_id_valid == false and pmac_id == NULL are being passed. This could\nresult in dereferencing a NULL pointer.\n\nTo resolve this issue, it is necessary to pass the address of a stub\nvariable to the 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