kernel: Use after free bug in ndlc_remove due to race condition
Published Apr 12, 2023
5.1
MEDIUMCVSS 3.1
EPSS 0.23%
Description
A use-after-free flaw was found in ndlc_remove in drivers/nfc/st-nci/ndlc.c in the Linux Kernel. This flaw could allow an attacker to crash the system due to a race problem.
Affected products
- Vendor n/a Product Linux Defaultn/a
- Version Linux Kernel prior to Kernel 6.3 RC3StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Linux | n/a |
|
- < 6.3
- 6.3
- 6.3
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
Red Hat statement
There was no shipped kernel version seen affected with this problem since these files are not built in our source code.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:H/PR:N/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 Mar 6, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2023–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (6 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 0.23% (0.00227) | 12.25th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.23% (0.00230) | 13.56th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.01% (0.00010) | 0.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00044) | 14.58th | v3 (v2023.03.01) |
| Apr 20, 2023 | 0.04% (0.00043) | 7.03th | v3 (v2023.03.01) |
| Apr 15, 2023 | 0.05% (0.00050) | 17.43th | v3 (v2023.03.01) |
References (8)
- https://access.redhat.com/security/cve/CVE-2023-1990 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2183247 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2023/05/msg00005.html mailing-list
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html mailing-list
- https://lore.kernel.org/all/20230312160837.2040857-1-zyytlz.wz%40163.com/
- https://lore.kernel.org/all/20230312160837.2040857-1-zyytlz.wz@163.com/
- https://nvd.nist.gov/vuln/detail/CVE-2023-1990
- https://www.cve.org/CVERecord?id=CVE-2023-1990
Change history (0)
No recorded changes yet.