CVE-2025-21819

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Source
https://nvd.nist.gov/vuln/detail/CVE-2025-21819
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-21819.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-21819
Downstream
Related
Published
2025-02-27T20:04:17Z
Modified
2025-10-17T22:03:52.521542Z
Summary
Revert "drm/amd/display: Use HW lock mgr for PSR1"
Details

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

Revert "drm/amd/display: Use HW lock mgr for PSR1"

This reverts commit a2b5a9956269 ("drm/amd/display: Use HW lock mgr for PSR1")

Because it may cause system hang while connect with two edp panel.

References

Affected packages

Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Affected ranges

Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
b7d2461858ac75c9d6bc4ab8af1a738d0814b716
Fixed
915697c2e69ac8d14dad498e6d6f43dbb7de3787
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
758abba3dd413dc5de2016f8588403294263a30a
Fixed
dcc3f2c06d80da39eee742b51ddf0781affb260c
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
4b46fc30b37e457d25cf3908c0c4dc3fbedd2044
Fixed
95c75578c420110c43791295985abb961d6dc033
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
b5c764d6ed556c4e81fbe3fd976da77ec450c08e
Fixed
a978864653e45d2671f99b09afcc1110e45d3dd9
Type
GIT
Repo
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Events
Introduced
b5c764d6ed556c4e81fbe3fd976da77ec450c08e
Fixed
f245b400a223a71d6d5f4c72a2cb9b573a7fc2b6

Affected versions

v6.*

v6.1.128
v6.12.12
v6.12.13
v6.13
v6.13-rc7
v6.13.1
v6.13.2
v6.14-rc1
v6.6.75
v6.6.76
v6.6.77

Database specific

vanir_signatures

[
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        "id": "CVE-2025-21819-0d6efbcd",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c",
            "function": "should_use_dmub_lock"
        },
        "digest": {
            "function_hash": "34671100779285568266578380303569355745",
            "length": 261.0
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@a978864653e45d2671f99b09afcc1110e45d3dd9"
    },
    {
        "id": "CVE-2025-21819-2aae18d7",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Line",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c"
        },
        "digest": {
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    },
    {
        "id": "CVE-2025-21819-34dff40f",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "target": {
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            "function": "should_use_dmub_lock"
        },
        "digest": {
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        },
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    },
    {
        "id": "CVE-2025-21819-40c728e1",
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        "signature_type": "Function",
        "target": {
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            "function": "should_use_dmub_lock"
        },
        "digest": {
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            "length": 190.0
        },
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    },
    {
        "id": "CVE-2025-21819-7c63fe5e",
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        "target": {
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    },
    {
        "id": "CVE-2025-21819-86a5a23d",
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    },
    {
        "id": "CVE-2025-21819-b5523062",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Function",
        "target": {
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            "function": "should_use_dmub_lock"
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        },
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    },
    {
        "id": "CVE-2025-21819-ba0df63d",
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        "signature_type": "Function",
        "target": {
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    },
    {
        "id": "CVE-2025-21819-dc8eba10",
        "deprecated": false,
        "signature_version": "v1",
        "signature_type": "Line",
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            "file": "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c"
        },
        "digest": {
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    },
    {
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        "signature_version": "v1",
        "signature_type": "Line",
        "target": {
            "file": "drivers/gpu/drm/amd/display/dc/dce/dmub_hw_lock_mgr.c"
        },
        "digest": {
            "line_hashes": [
                "48898273274356280964714945304599092954",
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    }
]

Linux / Kernel

Package

Name
Kernel

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.1.129
Type
ECOSYSTEM
Events
Introduced
6.2.0
Fixed
6.6.78
Type
ECOSYSTEM
Events
Introduced
6.7.0
Fixed
6.12.14
Type
ECOSYSTEM
Events
Introduced
6.13.0
Fixed
6.13.3