github - ghsa-gggq-j347-r3w6

GHSA-GGGQ-J347-R3W6

Vulnerability from github – Published: 2025-03-27 15:31 – Updated: 2025-11-03 21:33

Details

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

tee: optee: Fix supplicant wait loop

OP-TEE supplicant is a user-space daemon and it's possible for it be hung or crashed or killed in the middle of processing an OP-TEE RPC call. It becomes more complicated when there is incorrect shutdown ordering of the supplicant process vs the OP-TEE client application which can eventually lead to system hang-up waiting for the closure of the client application.

Allow the client process waiting in kernel for supplicant response to be killed rather than indefinitely waiting in an unkillable state. Also, a normal uninterruptible wait should not have resulted in the hung-task watchdog getting triggered, but the endless loop would.

This fixes issues observed during system reboot/shutdown when supplicant got hung for some reason or gets crashed/killed which lead to client getting hung in an unkillable state. It in turn lead to system being in hung up state requiring hard power off/on to recover.

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-2025-21871"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-835"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-27T14:15:48Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ntee: optee: Fix supplicant wait loop\n\nOP-TEE supplicant is a user-space daemon and it\u0027s possible for it\nbe hung or crashed or killed in the middle of processing an OP-TEE\nRPC call. It becomes more complicated when there is incorrect shutdown\nordering of the supplicant process vs the OP-TEE client application which\ncan eventually lead to system hang-up waiting for the closure of the\nclient application.\n\nAllow the client process waiting in kernel for supplicant response to\nbe killed rather than indefinitely waiting in an unkillable state. Also,\na normal uninterruptible wait should not have resulted in the hung-task\nwatchdog getting triggered, but the endless loop would.\n\nThis fixes issues observed during system reboot/shutdown when supplicant\ngot hung for some reason or gets crashed/killed which lead to client\ngetting hung in an unkillable state. It in turn lead to system being in\nhung up state requiring hard power off/on to recover.",
  "id": "GHSA-gggq-j347-r3w6",
  "modified": "2025-11-03T21:33:13Z",
  "published": "2025-03-27T15:31:09Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21871"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0180cf0373f84fff61b16f8c062553a13dd7cfca"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/21234efe2a8474a6d2d01ea9573319de7858ce44"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/3eb4911364c764572e9db4ab900a57689a54e8ce"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/70b0d6b0a199c5a3ee6c72f5e61681ed6f759612"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c0a9a948159153be145f9471435695373904ee6d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d61cc1a435e6894bfb0dd3370c6f765d2d12825d"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ec18520f5edc20a00c34a8c9fdd6507c355e880f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/fd9d2d6124c293e40797a080adf8a9c237efd8b8"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "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-2025-21871 (GCVE-0-2025-21871)

Vulnerability from cvelistv5 – Published: 2025-03-27 13:38 – Updated: 2025-11-03 19:38

Summary

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix supplicant wait loop OP-TEE supplicant is a user-space daemon and it's possible for it be hung or crashed or killed in the middle of processing an OP-TEE RPC call. It becomes more complicated when there is incorrect shutdown ordering of the supplicant process vs the OP-TEE client application which can eventually lead to system hang-up waiting for the closure of the client application. Allow the client process waiting in kernel for supplicant response to be killed rather than indefinitely waiting in an unkillable state. Also, a normal uninterruptible wait should not have resulted in the hung-task watchdog getting triggered, but the endless loop would. This fixes issues observed during system reboot/shutdown when supplicant got hung for some reason or gets crashed/killed which lead to client getting hung in an unkillable state. It in turn lead to system being in hung up state requiring hard power off/on to recover.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/3eb4911364c764572…
	https://git.kernel.org/stable/c/0180cf0373f84fff6…
	https://git.kernel.org/stable/c/c0a9a948159153be1…
	https://git.kernel.org/stable/c/ec18520f5edc20a00…
	https://git.kernel.org/stable/c/d61cc1a435e6894bf…
	https://git.kernel.org/stable/c/fd9d2d6124c293e40…
	https://git.kernel.org/stable/c/21234efe2a8474a6d…
	https://git.kernel.org/stable/c/70b0d6b0a199c5a3e…

Impacted products

Vendor

Product

Version

Linux

Affected: 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 , < 3eb4911364c764572e9db4ab900a57689a54e8ce (git)
Affected: 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 , < 0180cf0373f84fff61b16f8c062553a13dd7cfca (git)
Affected: 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 , < c0a9a948159153be145f9471435695373904ee6d (git)
Affected: 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 , < ec18520f5edc20a00c34a8c9fdd6507c355e880f (git)
Affected: 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 , < d61cc1a435e6894bfb0dd3370c6f765d2d12825d (git)
Affected: 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 , < fd9d2d6124c293e40797a080adf8a9c237efd8b8 (git)
Affected: 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 , < 21234efe2a8474a6d2d01ea9573319de7858ce44 (git)
Affected: 4fb0a5eb364d239722e745c02aef0dbd4e0f1ad2 , < 70b0d6b0a199c5a3ee6c72f5e61681ed6f759612 (git)

Linux

Affected: 4.12
Unaffected: 0 , < 4.12 (semver)
Unaffected: 5.4.291 , ≤ 5.4.* (semver)
Unaffected: 5.10.235 , ≤ 5.10.* (semver)
Unaffected: 5.15.179 , ≤ 5.15.* (semver)
Unaffected: 6.1.130 , ≤ 6.1.* (semver)
Unaffected: 6.6.80 , ≤ 6.6.* (semver)
Unaffected: 6.12.17 , ≤ 6.12.* (semver)
Unaffected: 6.13.5 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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              "lessThanOrEqual": "6.13.*",
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              "versionType": "original_commit_for_fix"
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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-GGGQ-J347-R3W6

CVE-2025-21871 (GCVE-0-2025-21871)

Tags

Sightings

Nomenclature