{"id":"CVE-2023-53528","title":"RDMA/rxe: Fix unsafe drain work queue code","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix unsafe drain work queue code\n\nIf create_qp does not fully succeed it is possible for qp cleanup\ncode to attempt to drain the send or recv work queues befo…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 49dc9c1f0c7e396654a31a480328fffd902fa494 < da572f6313aeead1f79e0810666bd8d8ffc794d4","Linux >= 49dc9c1f0c7e396654a31a480328fffd902fa494 < d366642b3099bd322375f5b71ba84ab1d586cd6d","Linux >= 49dc9c1f0c7e396654a31a480328fffd902fa494 < 5993b75d0bc71cd2b441d174b028fc36180f032c","Linux 6.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:23:19.377442Z"},"published":"2025-10-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:13.739Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53528","references":[{"url":"https://git.kernel.org/stable/c/da572f6313aeead1f79e0810666bd8d8ffc794d4"},{"url":"https://git.kernel.org/stable/c/d366642b3099bd322375f5b71ba84ab1d586cd6d"},{"url":"https://git.kernel.org/stable/c/5993b75d0bc71cd2b441d174b028fc36180f032c"}],"tags":["cve.org"],"epss":0.00146,"epssPercentile":0.03897,"ingestedAt":"2026-11-05T22:38:31.807Z","slug":"CVE-2023-53528","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Fix unsafe drain work queue code\n\nIf create_qp does not fully succeed it is possible for qp cleanup\ncode to attempt to drain the send or recv work queues before the\nqueues have been created causing a seg fault. This patch checks\nto see if the queues exist before attempting to drain them.\n\n## Affected\n\n- `Linux >= 49dc9c1f0c7e396654a31a480328fffd902fa494 < da572f6313aeead1f79e0810666bd8d8ffc794d4`\n- `Linux >= 49dc9c1f0c7e396654a31a480328fffd902fa494 < d366642b3099bd322375f5b71ba84ab1d586cd6d`\n- `Linux >= 49dc9c1f0c7e396654a31a480328fffd902fa494 < 5993b75d0bc71cd2b441d174b028fc36180f032c`\n- `Linux 6.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}