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CVE-2023-53586 (GCVE-0-2023-53586)

Vulnerability from cvelistv5 – Published: 2025-10-04 15:44 – Updated: 2026-08-05 09:14
VLAI
Title
scsi: target: Fix multiple LUN_RESET handling
Summary
In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fix multiple LUN_RESET handling This fixes a bug where an initiator thinks a LUN_RESET has cleaned up running commands when it hasn't. The bug was added in commit 51ec502a3266 ("target: Delete tmr from list before processing"). The problem occurs when: 1. We have N I/O cmds running in the target layer spread over 2 sessions. 2. The initiator sends a LUN_RESET for each session. 3. session1's LUN_RESET loops over all the running commands from both sessions and moves them to its local drain_task_list. 4. session2's LUN_RESET does not see the LUN_RESET from session1 because the commit above has it remove itself. session2 also does not see any commands since the other reset moved them off the state lists. 5. sessions2's LUN_RESET will then complete with a successful response. 6. sessions2's inititor believes the running commands on its session are now cleaned up due to the successful response and cleans up the running commands from its side. It then restarts them. 7. The commands do eventually complete on the backend and the target starts to return aborted task statuses for them. The initiator will either throw a invalid ITT error or might accidentally lookup a new task if the ITT has been reallocated already. Fix the bug by reverting the patch, and serialize the execution of LUN_RESETs and Preempt and Aborts. Also prevent us from waiting on LUN_RESETs in core_tmr_drain_tmr_list, because it turns out the original patch fixed a bug that was not mentioned. For LUN_RESET1 core_tmr_drain_tmr_list can see a second LUN_RESET and wait on it. Then the second reset will run core_tmr_drain_tmr_list and see the first reset and wait on it resulting in a deadlock.
Severity
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 51ec502a32665fed66c7f03799ede4023b212536 , < e1f59cd18a10969d08a082264b557876ca38766e (git)
Affected: 51ec502a32665fed66c7f03799ede4023b212536 , < 9158c86fd3237acaea8f0181c7836d90fd6eea10 (git)
Affected: 51ec502a32665fed66c7f03799ede4023b212536 , < eacfe32c3650bfd0e54224d160c431013d7f6998 (git)
Affected: 51ec502a32665fed66c7f03799ede4023b212536 , < ed18526289b5603bf2253dee50f1d7ec245cf397 (git)
Affected: 51ec502a32665fed66c7f03799ede4023b212536 , < 2c43de56f9220dca3e28c774d1c5e2cab574223a (git)
Affected: 51ec502a32665fed66c7f03799ede4023b212536 , < 673db054d7a2b5a470d7a25baf65956d005ad729 (git)
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Linux Linux Affected: 4.11
Unaffected: 0 , < 4.11 (semver)
Unaffected: 5.10.180 , ≤ 5.10.* (semver)
Unaffected: 5.15.111 , ≤ 5.15.* (semver)
Unaffected: 6.1.28 , ≤ 6.1.* (semver)
Unaffected: 6.2.15 , ≤ 6.2.* (semver)
Unaffected: 6.3.2 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-08-04T19:18:36+00:00",
      "cve": "CVE-2023-53586",
      "id": "CVE-2023-53586",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:fixed": "399",
      "product_status:known_affected": "80",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: scsi: target: Fix multiple LUN_RESET handling",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53586.json",
      "version": "3"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-08-31T00:57:17Z",
      "cve": "CVE-2023-53586",
      "id": "CVE-2023-53586",
      "initial_release_date": "2025-10-05T02:55:55Z",
      "product_status:known_affected": "290",
      "product_status:known_not_affected": "173",
      "product_status:recommended": "49",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53586",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53586.json",
      "version": "19"
    }
  }
}



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Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.