kernel: an out-of-bounds vulnerability in i2c-ismt driver
Published Aug 22, 2022
6.2
MEDIUMCVSS 3.1
EPSS 0.31%
Description
An out-of-bounds memory access flaw was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system.
Affected products
- Vendor n/a Product Kernel Defaultn/a
- Version Linux kernel 5.19-rc8StatusaffectedConstraints-
- 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 | Kernel | n/a |
|
Configuration 1
- < 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
- 5.19
Configuration 2
- 36
Configuration 3
- 6.0
- 7.0
- 8.0
- 9.0
Configuration 4
- n/a
Configuration 5
- n/a
Configuration 6
- n/a
Configuration 7
- n/a
Configuration 8
- n/a
Configuration 9
- 11.0
No data.
Red Hat Enterprise Linux 8
kernel-0:4.18.0-425.13.1.el8_7
Fixed · RHSA-2023:0832
Red Hat Enterprise Linux 8
kernel-rt-0:4.18.0-425.13.1.rt7.223.el8_7
Fixed · RHSA-2023:0854
Red Hat Enterprise Linux 8.6 Extended Update Support
kernel-0:4.18.0-372.75.1.el8_6
Fixed · RHSA-2023:5627
Red Hat Enterprise Linux 9
kernel-0:5.14.0-162.18.1.el9_1
Fixed · RHSA-2023:0951
Red Hat Enterprise Linux 9
kernel-0:5.14.0-162.18.1.el9_1
Fixed · RHSA-2023:0951
Red Hat Enterprise Linux 9
kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1
Fixed · RHSA-2023:0979
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
kernel-0:4.18.0-372.75.1.el8_6
Fixed · RHSA-2023:5627
Red Hat Enterprise Linux 6
kernel
Out of support scope
Red Hat Enterprise Linux 7
kernel
Out of support scope
Red Hat Enterprise Linux 7
kernel-rt
Out of support scope
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | kernel-0:4.18.0-425.13.1.el8_7 | Fixed | RHSA-2023:0832 |
| Red Hat Enterprise Linux 8 | kernel-rt-0:4.18.0-425.13.1.rt7.223.el8_7 | Fixed | RHSA-2023:0854 |
| Red Hat Enterprise Linux 8.6 Extended Update Support | kernel-0:4.18.0-372.75.1.el8_6 | Fixed | RHSA-2023:5627 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-162.18.1.el9_1 | Fixed | RHSA-2023:0951 |
| Red Hat Enterprise Linux 9 | kernel-0:5.14.0-162.18.1.el9_1 | Fixed | RHSA-2023:0951 |
| Red Hat Enterprise Linux 9 | kernel-rt-0:5.14.0-162.18.1.rt21.181.el9_1 | Fixed | RHSA-2023:0979 |
| Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 | kernel-0:4.18.0-372.75.1.el8_6 | Fixed | RHSA-2023:5627 |
| Red Hat Enterprise Linux 6 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | kernel | Out of support scope | n/a |
| Red Hat Enterprise Linux 7 | kernel-rt | Out of support scope | n/a |
No package ranges for this CVE.
Remediation
Red Hat mitigation
To mitigate this issue, prevent module i2c-ismt from being loaded. Please see https://access.redhat.com/solutions/41278 for information on 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:N/I:N/A:H
1 other source (Red Hat) ▾
CVSS:3.1/AV:L/AC:L/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.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.31% (0.00314) | 22.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.30% (0.00304) | 21.81th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.03% (0.00025) | 4.06th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00042) | 5.07th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.04% (0.00042) | 5.63th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.95% (0.00950) | 32.28th | v2 (v2022.01.01) |
| Mar 3, 2023 | 0.95% (0.00950) | 32.27th | v2 (v2022.01.01) |
| Jan 24, 2023 | 0.89% (0.00890) | 29.78th | v2 (v2022.01.01) |
| Aug 23, 2022 | 0.89% (0.00885) | 26.00th | v2 (v2022.01.01) |
References (10)
- https://access.redhat.com/security/cve/CVE-2022-2873 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2119048 Issue Tracking
- https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html mailing-list
- https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html mailing-list
- https://lore.kernel.org/lkml/20220729093451.551672-1-zheyuma97%40gmail.com/T/
- https://lore.kernel.org/lkml/20220729093451.551672-1-zheyuma97@gmail.com/T/
- https://nvd.nist.gov/vuln/detail/CVE-2022-2873
- https://security.netapp.com/advisory/ntap-20230120-0001/ Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2022-2873
- https://www.debian.org/security/2023/dsa-5324 vendor-advisoryThird Party Advisory
Change history (0)
No recorded changes yet.