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CVE-2022-48632
i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
High7.8EPSS 0.26%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction() memcpy() is called in a loop while 'operation->length' upper bound is not checked and 'data_idx' also increments.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.26% · top 83% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Weakness
Affected products
- affected b5b5b32081cd206baa6e58cca7f112d9723785d6 – < 48ee0a864d1af02eea98fc825cc230d61517a71e
- affected b5b5b32081cd206baa6e58cca7f112d9723785d6 – < dc2a0c587006f29b724069740c48654b9dcaebd2
- affected b5b5b32081cd206baa6e58cca7f112d9723785d6 – < 3b5ab5fbe69ebbee5692c72b05071a43fc0655d8
- affected b5b5b32081cd206baa6e58cca7f112d9723785d6 – < de24aceb07d426b6f1c59f33889d6a964770547b
- affected 5.10
- unaffected < 5.10
- unaffected 5.10.146 – ≤ 5.10.*
- unaffected 5.15.71 – ≤ 5.15.*
- unaffected 5.19.12 – ≤ 5.19.*
- unaffected 6.0 – ≤ *
References (4)
- https://git.kernel.org/stable/c/48ee0a864d1af02eea98fc825cc230d61517a71e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/dc2a0c587006f29b724069740c48654b9dcaebd2 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/3b5ab5fbe69ebbee5692c72b05071a43fc0655d8 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/de24aceb07d426b6f1c59f33889d6a964770547b (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-48632)Record last updated .