i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
Published Apr 28, 2024
7.8
HIGHCVSS 3.1
EPSS 0.26%
Description
memcpy() is called in a loop while 'operation->length' upper bound is not checked and 'data_idx' also increments.
Affected products
-
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version StatusaffectedConstraints
- Version
-
- Version 5.10StatusaffectedConstraints-
- Version 0StatusunaffectedConstraints<5.10
- Version 5.10.146StatusunaffectedConstraints<=5.10.*
- Version 5.15.71StatusunaffectedConstraints<=5.15.*
- Version 5.19.12StatusunaffectedConstraints<=5.19.*
- Version 6.0StatusunaffectedConstraints<=*
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
- ≥ 5.10 · < 5.10.146
- ≥ 5.11 · < 5.15.71
- ≥ 5.16 · < 5.19.12
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
- 6.0
No data.
Red Hat Enterprise Linux 8
kernel-0:4.18.0-553.16.1.el8_10
Fixed · RHSA-2024:5101
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-553.16.1.rt7.357.el8_10
Fixed · RHSA-2024:5102
Red Hat Enterprise Linux 9
kernel-0:5.14.0-427.13.1.el9_4
Fixed · RHSA-2024:2394
Red Hat Enterprise Linux 9
kernel-0:5.14.0-427.13.1.el9_4
Fixed · RHSA-2024:2394
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 9
kernel-rt
Affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-553.16.1.el8_10 | Fixed | RHSA-2024:5101 |
| Red Hat Enterprise Linux 8 | kernel-rt-0:4.18.0-553.16.1.rt7.357.el8_10 | Fixed | RHSA-2024:5102 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-427.13.1.el9_4 | Fixed | RHSA-2024:2394 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-427.13.1.el9_4 | Fixed | RHSA-2024:2394 |
| 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 9 | kernel-rt | Affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Actual only for ARM platforms. For the Red Hat Enterprise Linux and Fedora the related code disabled, so not affected (apart from the latest version of the Red Hat Enterprise Linux 9 and latest version of the Red Hat Enterprise Linux 10). The bug could happen only if Mellanox BlueField I2C controller being used.
Red Hat mitigation
To mitigate this issue, prevent module i2c-mlxbf from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:H/PR:L/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 Sep 10, 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 | 0.26% (0.00255) | 15.56th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.25% (0.00253) | 16.37th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00037) | 7.91th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00045) | 17.70th | v3 (v2023.03.01) |
| Apr 29, 2024 | 0.04% (0.00045) | 14.19th | v3 (v2023.03.01) |
References (9)
- https://access.redhat.com/security/cve/CVE-2022-48632 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2277840 Issue Tracking
- https://git.kernel.org/stable/c/3b5ab5fbe69ebbee5692c72b05071a43fc0655d8 Mailing ListPatch
- https://git.kernel.org/stable/c/48ee0a864d1af02eea98fc825cc230d61517a71e Mailing ListPatch
- https://git.kernel.org/stable/c/dc2a0c587006f29b724069740c48654b9dcaebd2 Mailing ListPatch
- https://git.kernel.org/stable/c/de24aceb07d426b6f1c59f33889d6a964770547b Mailing ListPatch
- https://lore.kernel.org/linux-cve-announce/2024042854-CVE-2022-48632-465f@gregkh/T
- https://nvd.nist.gov/vuln/detail/CVE-2022-48632
- https://www.cve.org/CVERecord?id=CVE-2022-48632
Change history (0)
No recorded changes yet.