CVE-2025-21987

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Source
https://cve.org/CVERecord?id=CVE-2025-21987
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21987.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2025-21987
Downstream
Related
Published
2025-04-02T12:30:11.811Z
Modified
2026-03-12T19:42:28.134085Z
Summary
drm/amdgpu: init return value in amdgpu_ttm_clear_buffer
Details

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

drm/amdgpu: init return value in amdgputtmclear_buffer

Otherwise an uninitialized value can be returned if amdgpurescleared returns true for all regions.

Possibly closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3812

(cherry picked from commit 7c62aacc3b452f73a1284198c81551035fac6d71)

Database specific 
{
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/21xxx/CVE-2025-21987.json"
}
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
a68c7eaa7a8ffdec9287ba1561a668d674c20a13
Fixed
d2c9625b0ade41f9917875d88173a0cc802b95fc
Fixed
5bd98c2df4a0f2e2dcbdf563feb8d348406377b5
Fixed
d3c7059b6a8600fc62cd863f1ea203b8675e63e1

Affected versions

v6.*
v6.10
v6.10-rc1
v6.10-rc2
v6.10-rc3
v6.10-rc4
v6.10-rc5
v6.10-rc6
v6.10-rc7
v6.11
v6.11-rc1
v6.11-rc2
v6.11-rc3
v6.11-rc4
v6.11-rc5
v6.11-rc6
v6.11-rc7
v6.12
v6.12-rc1
v6.12-rc2
v6.12-rc3
v6.12-rc4
v6.12-rc5
v6.12-rc6
v6.12-rc7
v6.12.1
v6.12.10
v6.12.11
v6.12.12
v6.12.13
v6.12.14
v6.12.15
v6.12.16
v6.12.17
v6.12.2
v6.12.3
v6.12.4
v6.12.5
v6.12.6
v6.12.7
v6.12.8
v6.12.9
v6.13
v6.13-rc1
v6.13-rc2
v6.13-rc3
v6.13-rc4
v6.13-rc5
v6.13-rc6
v6.13-rc7
v6.13.1
v6.13.2
v6.13.3
v6.13.4
v6.13.5
v6.14-rc1
v6.14-rc2
v6.14-rc3
v6.14-rc4
v6.9
v6.9-rc3
v6.9-rc4
v6.9-rc5
v6.9-rc6
v6.9-rc7

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-21987.json"
vanir_signatures 
[
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c",
            "function": "amdgpu_ttm_clear_buffer"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@5bd98c2df4a0f2e2dcbdf563feb8d348406377b5",
        "deprecated": false,
        "digest": {
            "function_hash": "8789444523917719013272238483749206889",
            "length": 972.0
        },
        "id": "CVE-2025-21987-674a309c",
        "signature_type": "Function"
    },
    {
        "signature_version": "v1",
        "target": {
            "file": "drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c"
        },
        "source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@5bd98c2df4a0f2e2dcbdf563feb8d348406377b5",
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "15472326755441569190601638244061798975",
                "263610145582419969612843600957371375643",
                "41598153953111378747282975870744068874",
                "217058534921270530898010476942023665997"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2025-21987-8ce8b5b7",
        "signature_type": "Line"
    }
]