CVE-2025-68286 (GCVE-0-2025-68286)
Vulnerability from cvelistv5 – Published: 2025-12-16 15:06 – Updated: 2025-12-20 08:52
VLAI?
Title
drm/amd/display: Check NULL before accessing
Summary
In the Linux kernel, the following vulnerability has been resolved:
drm/amd/display: Check NULL before accessing
[WHAT]
IGT kms_cursor_legacy's long-nonblocking-modeset-vs-cursor-atomic
fails with NULL pointer dereference. This can be reproduced with
both an eDP panel and a DP monitors connected.
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 0 P4D 0
Oops: Oops: 0000 [#1] SMP NOPTI
CPU: 13 UID: 0 PID: 2960 Comm: kms_cursor_lega Not tainted
6.16.0-99-custom #8 PREEMPT(voluntary)
Hardware name: AMD ........
RIP: 0010:dc_stream_get_scanoutpos+0x34/0x130 [amdgpu]
Code: 57 4d 89 c7 41 56 49 89 ce 41 55 49 89 d5 41 54 49
89 fc 53 48 83 ec 18 48 8b 87 a0 64 00 00 48 89 75 d0 48 c7 c6 e0 41 30
c2 <48> 8b 38 48 8b 9f 68 06 00 00 e8 8d d7 fd ff 31 c0 48 81 c3 e0 02
RSP: 0018:ffffd0f3c2bd7608 EFLAGS: 00010292
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffd0f3c2bd7668
RDX: ffffd0f3c2bd7664 RSI: ffffffffc23041e0 RDI: ffff8b32494b8000
RBP: ffffd0f3c2bd7648 R08: ffffd0f3c2bd766c R09: ffffd0f3c2bd7760
R10: ffffd0f3c2bd7820 R11: 0000000000000000 R12: ffff8b32494b8000
R13: ffffd0f3c2bd7664 R14: ffffd0f3c2bd7668 R15: ffffd0f3c2bd766c
FS: 000071f631b68700(0000) GS:ffff8b399f114000(0000)
knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 00000001b8105000 CR4: 0000000000f50ef0
PKRU: 55555554
Call Trace:
<TASK>
dm_crtc_get_scanoutpos+0xd7/0x180 [amdgpu]
amdgpu_display_get_crtc_scanoutpos+0x86/0x1c0 [amdgpu]
? __pfx_amdgpu_crtc_get_scanout_position+0x10/0x10[amdgpu]
amdgpu_crtc_get_scanout_position+0x27/0x50 [amdgpu]
drm_crtc_vblank_helper_get_vblank_timestamp_internal+0xf7/0x400
drm_crtc_vblank_helper_get_vblank_timestamp+0x1c/0x30
drm_crtc_get_last_vbltimestamp+0x55/0x90
drm_crtc_next_vblank_start+0x45/0xa0
drm_atomic_helper_wait_for_fences+0x81/0x1f0
...
(cherry picked from commit 621e55f1919640acab25383362b96e65f2baea3c)
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 781f2f32e9c19eb791b52af283c96f9a9677a7f2
(git)
Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 09092269cb762378ca8b56024746b1a136761e0d (git) Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 109e9c92543f3105e8e1efd2c5e6b92ef55d5743 (git) Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 9d1a65cbe3ec5da3003c8434ac7a38dcdc958fd9 (git) Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < f7cf491cd5b54b5a093bd3fdf76fa2860a7522bf (git) Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 62150f1e7ec707da76ff353fb7db51fef9cd6557 (git) Affected: 4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c , < 3ce62c189693e8ed7b3abe551802bbc67f3ace54 (git) |
|||||||
|
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{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/amd/display/dc/core/dc_stream.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "781f2f32e9c19eb791b52af283c96f9a9677a7f2",
"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
},
{
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"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
},
{
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"versionType": "git"
},
{
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"versionType": "git"
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{
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"versionType": "git"
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{
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"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
},
{
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"status": "affected",
"version": "4562236b3bc0a28aeb6ee93b2d8a849a4c4e1c7c",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/gpu/drm/amd/display/dc/core/dc_stream.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "4.15"
},
{
"lessThan": "4.15",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.247",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.197",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.159",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.119",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.61",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.17.*",
"status": "unaffected",
"version": "6.17.11",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.18",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.10.247",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "5.15.197",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.1.159",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.119",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.61",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17.11",
"versionStartIncluding": "4.15",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.18",
"versionStartIncluding": "4.15",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amd/display: Check NULL before accessing\n\n[WHAT]\nIGT kms_cursor_legacy\u0027s long-nonblocking-modeset-vs-cursor-atomic\nfails with NULL pointer dereference. This can be reproduced with\nboth an eDP panel and a DP monitors connected.\n\n BUG: kernel NULL pointer dereference, address: 0000000000000000\n #PF: supervisor read access in kernel mode\n #PF: error_code(0x0000) - not-present page\n PGD 0 P4D 0\n Oops: Oops: 0000 [#1] SMP NOPTI\n CPU: 13 UID: 0 PID: 2960 Comm: kms_cursor_lega Not tainted\n6.16.0-99-custom #8 PREEMPT(voluntary)\n Hardware name: AMD ........\n RIP: 0010:dc_stream_get_scanoutpos+0x34/0x130 [amdgpu]\n Code: 57 4d 89 c7 41 56 49 89 ce 41 55 49 89 d5 41 54 49\n 89 fc 53 48 83 ec 18 48 8b 87 a0 64 00 00 48 89 75 d0 48 c7 c6 e0 41 30\n c2 \u003c48\u003e 8b 38 48 8b 9f 68 06 00 00 e8 8d d7 fd ff 31 c0 48 81 c3 e0 02\n RSP: 0018:ffffd0f3c2bd7608 EFLAGS: 00010292\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffd0f3c2bd7668\n RDX: ffffd0f3c2bd7664 RSI: ffffffffc23041e0 RDI: ffff8b32494b8000\n RBP: ffffd0f3c2bd7648 R08: ffffd0f3c2bd766c R09: ffffd0f3c2bd7760\n R10: ffffd0f3c2bd7820 R11: 0000000000000000 R12: ffff8b32494b8000\n R13: ffffd0f3c2bd7664 R14: ffffd0f3c2bd7668 R15: ffffd0f3c2bd766c\n FS: 000071f631b68700(0000) GS:ffff8b399f114000(0000)\nknlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 0000000000000000 CR3: 00000001b8105000 CR4: 0000000000f50ef0\n PKRU: 55555554\n Call Trace:\n \u003cTASK\u003e\n dm_crtc_get_scanoutpos+0xd7/0x180 [amdgpu]\n amdgpu_display_get_crtc_scanoutpos+0x86/0x1c0 [amdgpu]\n ? __pfx_amdgpu_crtc_get_scanout_position+0x10/0x10[amdgpu]\n amdgpu_crtc_get_scanout_position+0x27/0x50 [amdgpu]\n drm_crtc_vblank_helper_get_vblank_timestamp_internal+0xf7/0x400\n drm_crtc_vblank_helper_get_vblank_timestamp+0x1c/0x30\n drm_crtc_get_last_vbltimestamp+0x55/0x90\n drm_crtc_next_vblank_start+0x45/0xa0\n drm_atomic_helper_wait_for_fences+0x81/0x1f0\n ...\n\n(cherry picked from commit 621e55f1919640acab25383362b96e65f2baea3c)"
}
],
"providerMetadata": {
"dateUpdated": "2025-12-20T08:52:20.161Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/781f2f32e9c19eb791b52af283c96f9a9677a7f2"
},
{
"url": "https://git.kernel.org/stable/c/09092269cb762378ca8b56024746b1a136761e0d"
},
{
"url": "https://git.kernel.org/stable/c/109e9c92543f3105e8e1efd2c5e6b92ef55d5743"
},
{
"url": "https://git.kernel.org/stable/c/9d1a65cbe3ec5da3003c8434ac7a38dcdc958fd9"
},
{
"url": "https://git.kernel.org/stable/c/f7cf491cd5b54b5a093bd3fdf76fa2860a7522bf"
},
{
"url": "https://git.kernel.org/stable/c/62150f1e7ec707da76ff353fb7db51fef9cd6557"
},
{
"url": "https://git.kernel.org/stable/c/3ce62c189693e8ed7b3abe551802bbc67f3ace54"
}
],
"title": "drm/amd/display: Check NULL before accessing",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-68286",
"datePublished": "2025-12-16T15:06:07.838Z",
"dateReserved": "2025-12-16T14:48:05.292Z",
"dateUpdated": "2025-12-20T08:52:20.161Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2025-68286\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2025-12-16T16:16:07.400\",\"lastModified\":\"2025-12-18T15:08:06.237\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/amd/display: Check NULL before accessing\\n\\n[WHAT]\\nIGT kms_cursor_legacy\u0027s long-nonblocking-modeset-vs-cursor-atomic\\nfails with NULL pointer dereference. This can be reproduced with\\nboth an eDP panel and a DP monitors connected.\\n\\n BUG: kernel NULL pointer dereference, address: 0000000000000000\\n #PF: supervisor read access in kernel mode\\n #PF: error_code(0x0000) - not-present page\\n PGD 0 P4D 0\\n Oops: Oops: 0000 [#1] SMP NOPTI\\n CPU: 13 UID: 0 PID: 2960 Comm: kms_cursor_lega Not tainted\\n6.16.0-99-custom #8 PREEMPT(voluntary)\\n Hardware name: AMD ........\\n RIP: 0010:dc_stream_get_scanoutpos+0x34/0x130 [amdgpu]\\n Code: 57 4d 89 c7 41 56 49 89 ce 41 55 49 89 d5 41 54 49\\n 89 fc 53 48 83 ec 18 48 8b 87 a0 64 00 00 48 89 75 d0 48 c7 c6 e0 41 30\\n c2 \u003c48\u003e 8b 38 48 8b 9f 68 06 00 00 e8 8d d7 fd ff 31 c0 48 81 c3 e0 02\\n RSP: 0018:ffffd0f3c2bd7608 EFLAGS: 00010292\\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffd0f3c2bd7668\\n RDX: ffffd0f3c2bd7664 RSI: ffffffffc23041e0 RDI: ffff8b32494b8000\\n RBP: ffffd0f3c2bd7648 R08: ffffd0f3c2bd766c R09: ffffd0f3c2bd7760\\n R10: ffffd0f3c2bd7820 R11: 0000000000000000 R12: ffff8b32494b8000\\n R13: ffffd0f3c2bd7664 R14: ffffd0f3c2bd7668 R15: ffffd0f3c2bd766c\\n FS: 000071f631b68700(0000) GS:ffff8b399f114000(0000)\\nknlGS:0000000000000000\\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 0000000000000000 CR3: 00000001b8105000 CR4: 0000000000f50ef0\\n PKRU: 55555554\\n Call Trace:\\n \u003cTASK\u003e\\n dm_crtc_get_scanoutpos+0xd7/0x180 [amdgpu]\\n amdgpu_display_get_crtc_scanoutpos+0x86/0x1c0 [amdgpu]\\n ? __pfx_amdgpu_crtc_get_scanout_position+0x10/0x10[amdgpu]\\n amdgpu_crtc_get_scanout_position+0x27/0x50 [amdgpu]\\n drm_crtc_vblank_helper_get_vblank_timestamp_internal+0xf7/0x400\\n drm_crtc_vblank_helper_get_vblank_timestamp+0x1c/0x30\\n drm_crtc_get_last_vbltimestamp+0x55/0x90\\n drm_crtc_next_vblank_start+0x45/0xa0\\n drm_atomic_helper_wait_for_fences+0x81/0x1f0\\n ...\\n\\n(cherry picked from commit 621e55f1919640acab25383362b96e65f2baea3c)\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/09092269cb762378ca8b56024746b1a136761e0d\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/109e9c92543f3105e8e1efd2c5e6b92ef55d5743\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/3ce62c189693e8ed7b3abe551802bbc67f3ace54\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/62150f1e7ec707da76ff353fb7db51fef9cd6557\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/781f2f32e9c19eb791b52af283c96f9a9677a7f2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9d1a65cbe3ec5da3003c8434ac7a38dcdc958fd9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/f7cf491cd5b54b5a093bd3fdf76fa2860a7522bf\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
}
}
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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.
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