CVE-2025-38356
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2025-38356
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-38356.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2025-38356
- Downstream
- Related
- Published
- 2025-07-25T12:47:27Z
- Modified
- 2025-10-18T03:44:15.841053Z
- Summary
- drm/xe/guc: Explicitly exit CT safe mode on unwind
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
drm/xe/guc: Explicitly exit CT safe mode on unwind
During driver probe we might be briefly using CT safe mode, which is based on a delayed work, but usually we are able to stop this once we have IRQ fully operational. However, if we abort the probe quite early then during unwind we might try to destroy the workqueue while there is still a pending delayed work that attempts to restart itself which triggers a WARN.
This was recently observed during unsuccessful VF initialization:
[ ] xe 0000:00:02.1: probe with driver xe failed with error -62 [ ] ------------[ cut here ]------------ [ ] workqueue: cannot queue safemodeworkerfunc [xe] on wq xe-g2h-wq [ ] WARNING: CPU: 9 PID: 0 at kernel/workqueue.c:2257 queuework+0x287/0x710 [ ] RIP: 0010:queuework+0x287/0x710 [ ] Call Trace: [ ] delayedworktimerfn+0x19/0x30 [ ] calltimerfn+0xa1/0x2a0
Exit the CT safe mode on unwind to avoid that warning.
(cherry picked from commit 2ddbb73ec20b98e70a5200cb85deade22ccea2ec)
- 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
-
Introduced09b286950f2911615694f4a1ff491efe9ed5eebaFixed6d0b588614c43d6334b2d7a70a99f31f7b14ecc0
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced09b286950f2911615694f4a1ff491efe9ed5eebaFixedf161e905b08ae8a513c5a36a10e3163e9920cfe6
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced09b286950f2911615694f4a1ff491efe9ed5eebaFixedad40098da5c3b43114d860a5b5740e7204158534
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
v6.12.18
v6.12.19
v6.12.2
v6.12.20
v6.12.21
v6.12.22
v6.12.23
v6.12.24
v6.12.25
v6.12.26
v6.12.27
v6.12.28
v6.12.29
v6.12.3
v6.12.30
v6.12.31
v6.12.32
v6.12.33
v6.12.34
v6.12.35
v6.12.36
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
v6.14
v6.14-rc1
v6.14-rc2
v6.14-rc3
v6.14-rc4
v6.14-rc5
v6.14-rc6
v6.14-rc7
v6.15
v6.15-rc1
v6.15-rc2
v6.15-rc3
v6.15-rc4
v6.15-rc5
v6.15-rc6
v6.15-rc7
v6.15.1
v6.15.2
v6.15.3
v6.15.4
v6.16-rc1
v6.16-rc2
v6.16-rc3
v6.9
v6.9-rc7
Database specific
vanir_signatures
[
{
"digest": {
"threshold": 0.9,
"line_hashes": [
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]
},
"signature_type": "Line",
"target": {
"file": "drivers/gpu/drm/xe/xe_guc_ct.c"
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6d0b588614c43d6334b2d7a70a99f31f7b14ecc0",
"signature_version": "v1",
"id": "CVE-2025-38356-1e3750d2"
},
{
"digest": {
"function_hash": "246011651196899298694396401776925186305",
"length": 147.0
},
"signature_type": "Function",
"target": {
"function": "guc_ct_fini",
"file": "drivers/gpu/drm/xe/xe_guc_ct.c"
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ad40098da5c3b43114d860a5b5740e7204158534",
"signature_version": "v1",
"id": "CVE-2025-38356-6c2101ab"
},
{
"digest": {
"function_hash": "246011651196899298694396401776925186305",
"length": 147.0
},
"signature_type": "Function",
"target": {
"function": "guc_ct_fini",
"file": "drivers/gpu/drm/xe/xe_guc_ct.c"
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@6d0b588614c43d6334b2d7a70a99f31f7b14ecc0",
"signature_version": "v1",
"id": "CVE-2025-38356-8800daf5"
},
{
"digest": {
"function_hash": "246011651196899298694396401776925186305",
"length": 147.0
},
"signature_type": "Function",
"target": {
"function": "guc_ct_fini",
"file": "drivers/gpu/drm/xe/xe_guc_ct.c"
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f161e905b08ae8a513c5a36a10e3163e9920cfe6",
"signature_version": "v1",
"id": "CVE-2025-38356-b102722c"
},
{
"digest": {
"threshold": 0.9,
"line_hashes": [
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]
},
"signature_type": "Line",
"target": {
"file": "drivers/gpu/drm/xe/xe_guc_ct.c"
},
"deprecated": false,
"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@f161e905b08ae8a513c5a36a10e3163e9920cfe6",
"signature_version": "v1",
"id": "CVE-2025-38356-ee7f549e"
},
{
"digest": {
"threshold": 0.9,
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]
},
"signature_type": "Line",
"target": {
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},
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"source": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git@ad40098da5c3b43114d860a5b5740e7204158534",
"signature_version": "v1",
"id": "CVE-2025-38356-f28c233f"
}
]