drm/nouveau/debugfs: fix file release memory leak
Published May 21, 2024
5.5
MEDIUMCVSS 3.1
EPSS 0.22%
Description
When using single_open() for opening, single_release() should be called, otherwise the 'op' allocated in single_open() will be leaked.
Affected products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 4.5StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<4.5
- Version 4.14.251StatusunaffectedConstraints<=4.14.*
- Version 4.19.211StatusunaffectedConstraints<=4.19.*
- Version 4.9.287StatusunaffectedConstraints<=4.9.*
- Version 5.10.73StatusunaffectedConstraints<=5.10.*
- Version 5.14.12StatusunaffectedConstraints<=5.14.*
- Version 5.15StatusunaffectedConstraints<=*
- Version 5.4.153StatusunaffectedConstraints<=5.4.*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux | unaffected |
| ||||||||||||||||||||||||||||||
| Linux | Linux | affected |
|
- ≥ 4.5 · < 4.9.287
- ≥ 4.10 · < 4.14.251
- ≥ 4.15 · < 4.19.211
- ≥ 4.20 · < 5.4.153
- ≥ 5.5 · < 5.10.73
- ≥ 5.11 · < 5.14.12
- 5.15
- 5.15
- 5.15
- 5.15
No data.
Red Hat Enterprise Linux 6
kernel
Not affected
Red Hat Enterprise Linux 7
kernel
Not affected
Red Hat Enterprise Linux 7
kernel-rt
Not affected
Red Hat Enterprise Linux 8
kernel
Not affected
Red Hat Enterprise Linux 8
kernel-rt
Not affected
Red Hat Enterprise Linux 9
kernel
Not affected
Red Hat Enterprise Linux 9
kernel-rt
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel | Not affected | n/a |
| Red Hat Enterprise Linux 9 | kernel-rt | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed May 22, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (5 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.22% (0.00223) | 11.78th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.22% (0.00223) | 12.74th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.05% (0.00048) | 12.13th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 12.15th | v3 (v2023.03.01) |
| May 22, 2024 | 0.04% (0.00044) | 9.94th | v3 (v2023.03.01) |
References (12)
- https://access.redhat.com/security/cve/CVE-2021-47423 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2282310 Issue Tracking
- https://git.kernel.org/stable/c/11cd944bb87d9e575b94c07c952105eda745b459 Patch
- https://git.kernel.org/stable/c/1508b09945bde393326a9dab73b1fc35f672d771 Patch
- https://git.kernel.org/stable/c/88c3610045ca6e699331b6bb5c095c5565f30721 Patch
- https://git.kernel.org/stable/c/9f9d4c88b2edc7924e19c44909cfc3fa4e4d3d43 Patch
- https://git.kernel.org/stable/c/df0c9418923679bc6d0060bdb1b5bf2c755159e0 Patch
- https://git.kernel.org/stable/c/f5a8703a9c418c6fc54eb772712dfe7641e3991c Patch
- https://git.kernel.org/stable/c/f69556a42043b5444ca712ee889829ba89fdcba8 Patch
- https://lore.kernel.org/linux-cve-announce/2024052156-CVE-2021-47423-6632@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2021-47423
- https://www.cve.org/CVERecord?id=CVE-2021-47423
Change history (0)
No recorded changes yet.