Vulnerability-Lookup

GHSA-F9FX-WVGJ-VVXM

Vulnerability from github – Published: 2024-07-29 15:30 – Updated: 2024-08-21 21:30

Details

In the Linux kernel, the following vulnerability has been resolved:

scsi: ufs: core: Fix ufshcd_abort_one racing issue

When ufshcd_abort_one is racing with the completion ISR, the completed tag of the request's mq_hctx pointer will be set to NULL by ISR. Return success when request is completed by ISR because ufshcd_abort_one does not need to do anything.

The racing flow is:

Thread A ufshcd_err_handler step 1 ... ufshcd_abort_one ufshcd_try_to_abort_task ufshcd_cmd_inflight(true) step 3 ufshcd_mcq_req_to_hwq blk_mq_unique_tag rq->mq_hctx->queue_num step 5

Thread B ufs_mtk_mcq_intr(cq complete ISR) step 2 scsi_done ... __blk_mq_free_request rq->mq_hctx = NULL; step 4

Below is KE back trace. ufshcd_try_to_abort_task: cmd at tag 41 not pending in the device. ufshcd_try_to_abort_task: cmd at tag=41 is cleared. Aborting tag 41 / CDB 0x28 succeeded Unable to handle kernel NULL pointer dereference at virtual address 0000000000000194 pc : [0xffffffddd7a79bf8] blk_mq_unique_tag+0x8/0x14 lr : [0xffffffddd6155b84] ufshcd_mcq_req_to_hwq+0x1c/0x40 [ufs_mediatek_mod_ise] do_mem_abort+0x58/0x118 el1_abort+0x3c/0x5c el1h_64_sync_handler+0x54/0x90 el1h_64_sync+0x68/0x6c blk_mq_unique_tag+0x8/0x14 ufshcd_err_handler+0xae4/0xfa8 [ufs_mediatek_mod_ise] process_one_work+0x208/0x4fc worker_thread+0x228/0x438 kthread+0x104/0x1d4 ret_from_fork+0x10/0x20

Severity

5.5 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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{
  "affected": [],
  "aliases": [
    "CVE-2024-41053"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-476"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-07-29T15:15:13Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: ufs: core: Fix ufshcd_abort_one racing issue\n\nWhen ufshcd_abort_one is racing with the completion ISR, the completed tag\nof the request\u0027s mq_hctx pointer will be set to NULL by ISR.  Return\nsuccess when request is completed by ISR because ufshcd_abort_one does not\nneed to do anything.\n\nThe racing flow is:\n\nThread A\nufshcd_err_handler\t\t\t\t\tstep 1\n\t...\n\tufshcd_abort_one\n\t\tufshcd_try_to_abort_task\n\t\t\tufshcd_cmd_inflight(true)\tstep 3\n\t\tufshcd_mcq_req_to_hwq\n\t\t\tblk_mq_unique_tag\n\t\t\t\trq-\u003emq_hctx-\u003equeue_num\tstep 5\n\nThread B\nufs_mtk_mcq_intr(cq complete ISR)\t\t\tstep 2\n\tscsi_done\n\t\t...\n\t\t__blk_mq_free_request\n\t\t\trq-\u003emq_hctx = NULL;\t\tstep 4\n\nBelow is KE back trace.\n  ufshcd_try_to_abort_task: cmd at tag 41 not pending in the device.\n  ufshcd_try_to_abort_task: cmd at tag=41 is cleared.\n  Aborting tag 41 / CDB 0x28 succeeded\n  Unable to handle kernel NULL pointer dereference at virtual address 0000000000000194\n  pc : [0xffffffddd7a79bf8] blk_mq_unique_tag+0x8/0x14\n  lr : [0xffffffddd6155b84] ufshcd_mcq_req_to_hwq+0x1c/0x40 [ufs_mediatek_mod_ise]\n   do_mem_abort+0x58/0x118\n   el1_abort+0x3c/0x5c\n   el1h_64_sync_handler+0x54/0x90\n   el1h_64_sync+0x68/0x6c\n   blk_mq_unique_tag+0x8/0x14\n   ufshcd_err_handler+0xae4/0xfa8 [ufs_mediatek_mod_ise]\n   process_one_work+0x208/0x4fc\n   worker_thread+0x228/0x438\n   kthread+0x104/0x1d4\n   ret_from_fork+0x10/0x20",
  "id": "GHSA-f9fx-wvgj-vvxm",
  "modified": "2024-08-21T21:30:45Z",
  "published": "2024-07-29T15:30:43Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-41053"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/74736103fb4123c71bf11fb7a6abe7c884c5269e"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b5a6ac887256762758bfe7f2918cb0233aa544f4"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c3111b3cf3889bfa7b73ebff83d7397db9b7e5e0"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-41053 (GCVE-0-2024-41053)

Vulnerability from cvelistv5 – Published: 2024-07-29 14:32 – Updated: 2026-05-23 15:51

Title

scsi: ufs: core: Fix ufshcd_abort_one racing issue

Summary

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: core: Fix ufshcd_abort_one racing issue When ufshcd_abort_one is racing with the completion ISR, the completed tag of the request's mq_hctx pointer will be set to NULL by ISR. Return success when request is completed by ISR because ufshcd_abort_one does not need to do anything. The racing flow is: Thread A ufshcd_err_handler step 1 ... ufshcd_abort_one ufshcd_try_to_abort_task ufshcd_cmd_inflight(true) step 3 ufshcd_mcq_req_to_hwq blk_mq_unique_tag rq->mq_hctx->queue_num step 5 Thread B ufs_mtk_mcq_intr(cq complete ISR) step 2 scsi_done ... __blk_mq_free_request rq->mq_hctx = NULL; step 4 Below is KE back trace. ufshcd_try_to_abort_task: cmd at tag 41 not pending in the device. ufshcd_try_to_abort_task: cmd at tag=41 is cleared. Aborting tag 41 / CDB 0x28 succeeded Unable to handle kernel NULL pointer dereference at virtual address 0000000000000194 pc : [0xffffffddd7a79bf8] blk_mq_unique_tag+0x8/0x14 lr : [0xffffffddd6155b84] ufshcd_mcq_req_to_hwq+0x1c/0x40 [ufs_mediatek_mod_ise] do_mem_abort+0x58/0x118 el1_abort+0x3c/0x5c el1h_64_sync_handler+0x54/0x90 el1h_64_sync+0x68/0x6c blk_mq_unique_tag+0x8/0x14 ufshcd_err_handler+0xae4/0xfa8 [ufs_mediatek_mod_ise] process_one_work+0x208/0x4fc worker_thread+0x228/0x438 kthread+0x104/0x1d4 ret_from_fork+0x10/0x20

Severity

No CVSS data available.

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-09-10 16:22 UTC

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7018 records in the last 180 days details

References

3 references

URL	Tags
https://git.kernel.org/stable/c/c3111b3cf3889bfa7…
https://git.kernel.org/stable/c/b5a6ac88725676275…
https://git.kernel.org/stable/c/74736103fb4123c71…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: ff7699d3620763b0dfe2ff93df4528880bf903a8 , < c3111b3cf3889bfa7b73ebff83d7397db9b7e5e0 (git) Affected: 93e6c0e19d5bb12b49534a411c85e21d333731fa , < b5a6ac887256762758bfe7f2918cb0233aa544f4 (git) Affected: 93e6c0e19d5bb12b49534a411c85e21d333731fa , < 74736103fb4123c71bf11fb7a6abe7c884c5269e (git) Affected: 6.6.5 , < 6.6.41 (semver)
Linux	Linux	Affected: 6.7 Unaffected: 0 , < 6.7 (semver) Unaffected: 6.6.41 , ≤ 6.6.* (semver) Unaffected: 6.9.10 , ≤ 6.9.* (semver) Unaffected: 6.10 , ≤ * (original_commit_for_fix)

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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.

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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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