{"id":"CVE-2023-53488","title":"IB/hfi1: Fix possible panic during hotplug remove","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Fix possible panic during hotplug remove\n\nDuring hotplug remove it is possible that the update counters work\nmight be pending, and may run after memory has bee…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < 5e72f33ddfdb69cb21c1b59d31bbd3498d31b14a","Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < bfd727ad8411995218f336ead9f2becfde7f3a89","Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < c2145b18740c7e697748e4005ce93a5c683c86a8","Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < 33c677d1e087e437c7dcaad8d73402cf6add282e","Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < 918c1e6843b7e81d0e5cf7994f41f28dc34c98b0","Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < ac6640f4193d0f5b44269a7f08372909f9a18e5c","Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < d32a5e9b825d40c08a43dfbcba007159fed41a5d","Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < 4fdfaef71fced490835145631a795497646f4555","Linux 4.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:22:19.292450Z"},"published":"2025-10-01","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:11.689Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53488","references":[{"url":"https://git.kernel.org/stable/c/5e72f33ddfdb69cb21c1b59d31bbd3498d31b14a"},{"url":"https://git.kernel.org/stable/c/bfd727ad8411995218f336ead9f2becfde7f3a89"},{"url":"https://git.kernel.org/stable/c/c2145b18740c7e697748e4005ce93a5c683c86a8"},{"url":"https://git.kernel.org/stable/c/33c677d1e087e437c7dcaad8d73402cf6add282e"},{"url":"https://git.kernel.org/stable/c/918c1e6843b7e81d0e5cf7994f41f28dc34c98b0"},{"url":"https://git.kernel.org/stable/c/ac6640f4193d0f5b44269a7f08372909f9a18e5c"},{"url":"https://git.kernel.org/stable/c/d32a5e9b825d40c08a43dfbcba007159fed41a5d"},{"url":"https://git.kernel.org/stable/c/4fdfaef71fced490835145631a795497646f4555"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.05163,"ingestedAt":"2026-11-05T22:38:31.802Z","slug":"CVE-2023-53488","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nIB/hfi1: Fix possible panic during hotplug remove\n\nDuring hotplug remove it is possible that the update counters work\nmight be pending, and may run after memory has been freed.\nCancel the update counters work before freeing memory.\n\n## Affected\n\n- `Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < 5e72f33ddfdb69cb21c1b59d31bbd3498d31b14a`\n- `Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < bfd727ad8411995218f336ead9f2becfde7f3a89`\n- `Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < c2145b18740c7e697748e4005ce93a5c683c86a8`\n- `Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < 33c677d1e087e437c7dcaad8d73402cf6add282e`\n- `Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < 918c1e6843b7e81d0e5cf7994f41f28dc34c98b0`\n- `Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < ac6640f4193d0f5b44269a7f08372909f9a18e5c`\n- `Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < d32a5e9b825d40c08a43dfbcba007159fed41a5d`\n- `Linux >= 7724105686e718ac476a6ad3304fea2fbcfcffde < 4fdfaef71fced490835145631a795497646f4555`\n- `Linux 4.3`\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":[]}