CVE-2022-48632: i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()
First published: Sun Apr 28 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <5.10.146 | 5.10.146 |
| redhat/kernel | <5.15.71 | 5.15.71 |
| redhat/kernel | <5.19.12 | 5.19.12 |
| redhat/kernel | <6.0 | 6.0 |
| Linux Kernel | >=5.10<5.10.146 | |
| Linux Kernel | >=5.11<5.15.71 | |
| Linux Kernel | >=5.16<5.19.12 | |
| Linux Kernel | =6.0-rc1 | |
| Linux Kernel | =6.0-rc2 | |
| Linux Kernel | =6.0-rc3 | |
| Linux Kernel | =6.0-rc4 | |
| Linux Kernel | =6.0-rc5 | |
| Linux Kernel | =6.0-rc6 | |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2022-48632
- https://lore.kernel.org/linux-cve-announce/2024042854-CVE-2022-48632-465f@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://bugzilla.redhat.com/show_bug.cgi?id=2277840
- https://git.kernel.org/stable/c/48ee0a864d1af02eea98fc825cc230d61517a71e
- https://git.kernel.org/stable/c/dc2a0c587006f29b724069740c48654b9dcaebd2
- https://git.kernel.org/stable/c/3b5ab5fbe69ebbee5692c72b05071a43fc0655d8
- https://git.kernel.org/stable/c/de24aceb07d426b6f1c59f33889d6a964770547b
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2022-48632?
CVE-2022-48632 has a medium severity rating due to the potential for stack overflow vulnerabilities.
How do I fix CVE-2022-48632?
To fix CVE-2022-48632, update your Linux kernel to one of the following versions: 5.10.146, 5.15.71, 5.19.12, or 6.0.
What systems are affected by CVE-2022-48632?
CVE-2022-48632 affects the Linux kernel versions prior to the patched releases mentioned in its fix.
What does CVE-2022-48632 affect?
CVE-2022-48632 affects the i2c subsystem in the Linux kernel, specifically related to stack overflow vulnerabilities.
Is CVE-2022-48632 exploited in the wild?
As of now, there are no known active exploits for CVE-2022-48632 reported in the wild.
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