{"id":"CVE-2026-92488","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/erdma: complete object teardown when the destroy command fails\n\nerdma_destroy_qp(), erdma_destroy_cq(), erdma_dereg_mr(), and\nerdma_destroy_ah() returned early whe…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/erdma: complete object teardown when the destroy command fails\n\nerdma_destroy_qp(), erdma_destroy_cq(), erdma_dereg_mr(), and\nerdma_destroy_ah() returned early whe…","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","vendor":"Linux","product":"Linux","affected":["Linux >= 155055771704f8cbb5c176a4309b7dc30a50450c < 5fcfc988ecf3e2bbe308b95c2c0d2f011d9afabe","Linux >= 155055771704f8cbb5c176a4309b7dc30a50450c < ce7d205c264665517c25e8a3231cf2d0c2443e3c","Linux >= 155055771704f8cbb5c176a4309b7dc30a50450c < 334145d683ad3e31d052247f10807f2ebc950351","Linux >= 155055771704f8cbb5c176a4309b7dc30a50450c < 652befcba956ef357f480525ccbe25c59bc81d4d","Linux 6.0"],"published":"2026-09-17","updated":"2026-09-18","sourceUpdated":"2026-09-18T18:18:12.893","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-92488","references":[{"url":"https://git.kernel.org/stable/c/334145d683ad3e31d052247f10807f2ebc950351","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5fcfc988ecf3e2bbe308b95c2c0d2f011d9afabe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/652befcba956ef357f480525ccbe25c59bc81d4d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ce7d205c264665517c25e8a3231cf2d0c2443e3c","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92488.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-92488"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2536397"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-92488"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-92488"},{"url":"https://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-92488.mbox"},{"url":"https://git.kernel.org/stable/c/3886d944b506e0cc681646beb03c3024cb375a68"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"epss":0.00155,"epssPercentile":0.0457,"ingestedAt":"2026-09-17T16:21:47.786Z","cwe":["CWE-772"],"scores":{"nvd":7,"vendor":5.5,"cna":7},"slug":"CVE-2026-92488","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/erdma: complete object teardown when the destroy command fails\n\nerdma_destroy_qp(), erdma_destroy_cq(), erdma_dereg_mr(), and\nerdma_destroy_ah() returned early when erdma_post_cmd_wait() failed,\nleaking the queue buffers, MTTs, doorbells and the STAG, QPN, CQN and AHN\nidentifiers. A command timeout clears ERDMA_CMDQ_STATE_OK_BIT and\npermanently disables the command queue, so no retry can succeed; the RDMA\ncore keeps the object after a failed destructor and forced uverbs cleanup\nthen nulls the pointers, making the resources unreachable.\n\nWarn on failure but release every software-owned resource and return\nsuccess, since during terminal destruction the hardware command result is\nonly diagnostic.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · Moderate · updated 2026-10-05 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-92488.json)","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":207329,"id":"CVE-2026-92488","ts":1789757340886,"field":"cvss","old":null,"new":"7"},{"seq":207328,"id":"CVE-2026-92488","ts":1789757340886,"field":"severity","old":"none","new":"high"}]}