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CVE-2026-93153 (GCVE-0-2026-93153)

Vulnerability from cvelistv5 – Published: 2026-09-17 16:11 – Updated: 2026-09-17 16:11
VLAI
Title
RDMA/bng_re: return a timeout when firmware responses stall
Summary
In the Linux kernel, the following vulnerability has been resolved: RDMA/bng_re: return a timeout when firmware responses stall __wait_for_resp() documents that it returns a non-zero error when a firmware command does not complete, and bng_re_rcfw_send_message() already marks the firmware as stalled when the helper returns -ENODEV. However, the helper ignores wait_event_timeout() expiry. If the response slot remains in use after the timeout and after the polled CREQ service attempt, the loop starts another full timeout period and can repeat forever. Return -ENODEV after a timed out wait that still has no response. The existing caller then marks FIRMWARE_STALL_DETECTED and returns -ETIMEDOUT to the command issuer.
Severity
No CVSS data available.
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 53c6ee7d7f68a0679f8ddc703338aa2550d24a17 , < 02d4ee65dc2e883f554169155937742e6014c243 (git)
Affected: 53c6ee7d7f68a0679f8ddc703338aa2550d24a17 , < 5f9576c6734abca88a02db72c466e09d2eddf160 (git)
guessed Create a notification for this product.
Linux Linux Affected: 6.19
Unaffected: 0 , < 6.19 (semver)
Unaffected: 7.2.6 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc1 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
Show details on NVD website

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            "drivers/infiniband/hw/bng_re/bng_fw.c"
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        }
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        "shortName": "Linux"
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    "assignerShortName": "Linux",
    "cveId": "CVE-2026-93153",
    "datePublished": "2026-09-17T16:11:49.443Z",
    "dateReserved": "2026-09-17T16:02:15.089Z",
    "dateUpdated": "2026-09-17T16:11:49.443Z",
    "state": "PUBLISHED"
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  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-93153\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-09-17T17:18:10.607\",\"lastModified\":\"2026-09-17T17:18:10.607\",\"vulnStatus\":\"Received\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nRDMA/bng_re: return a timeout when firmware responses stall\\n\\n__wait_for_resp() documents that it returns a non-zero error when a\\nfirmware command does not complete, and bng_re_rcfw_send_message() already\\nmarks the firmware as stalled when the helper returns -ENODEV.\\n\\nHowever, the helper ignores wait_event_timeout() expiry.  If the response\\nslot remains in use after the timeout and after the polled CREQ service\\nattempt, the loop starts another full timeout period and can repeat\\nforever.\\n\\nReturn -ENODEV after a timed out wait that still has no response.  The\\nexisting caller then marks FIRMWARE_STALL_DETECTED and returns\\n-ETIMEDOUT to the command issuer.\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/infiniband/hw/bng_re/bng_fw.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"53c6ee7d7f68a0679f8ddc703338aa2550d24a17\",\"lessThan\":\"02d4ee65dc2e883f554169155937742e6014c243\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"53c6ee7d7f68a0679f8ddc703338aa2550d24a17\",\"lessThan\":\"5f9576c6734abca88a02db72c466e09d2eddf160\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/infiniband/hw/bng_re/bng_fw.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"6.19\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"6.19\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.2.6\",\"lessThanOrEqual\":\"7.2.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"7.3-rc1\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/02d4ee65dc2e883f554169155937742e6014c243\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/5f9576c6734abca88a02db72c466e09d2eddf160\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}



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