hwmon: (pmbus/adm1266) widen blackbox-info buffer to I2C_SMBUS_BLOCK_MAX
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
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| Linux | Linux | unaffected |
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| Linux | Linux | affected |
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Configuration 1 [-]
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No data.
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| Linux | Linux Kernel |
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| Linux | Linux Kernel |
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| Source | ID | Title |
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Ubuntu USN |
USN-8575-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8576-1 | Linux kernel (NVIDIA Tegra) vulnerabilities |
Ubuntu USN |
USN-8593-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8575-2 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8576-2 | Linux kernel (NVIDIA Tegra) vulnerabilities |
Ubuntu USN |
USN-8575-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8603-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8610-1 | Linux kernel (Azure CVM) vulnerabilities |
Ubuntu USN |
USN-8618-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8620-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8620-2 | Linux kernel (Azure FIPS) vulnerabilities |
Ubuntu USN |
USN-8620-3 | Linux kernel (Intel IoTG) vulnerabilities |
Ubuntu USN |
USN-8620-4 | Linux kernel (Intel IoTG) vulnerabilities |
Ubuntu USN |
USN-8663-1 | Linux kernel (NVIDIA) vulnerabilities |
Ubuntu USN |
USN-8664-1 | Linux kernel (NVIDIA BaseOS) vulnerabilities |
Ubuntu USN |
USN-8668-1 | Linux kernel (GCP) vulnerabilities |
Ubuntu USN |
USN-8728-1 | Linux kernel (GCP) vulnerabilities |
Ubuntu USN |
USN-8729-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8761-1 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8729-2 | Linux kernel (Raspberry Pi Real-time) vulnerabilities |
Ubuntu USN |
USN-8761-2 | Linux kernel (Azure FIPS) vulnerabilities |
Ubuntu USN |
USN-8781-1 | Linux kernel (NVIDIA Tegra) vulnerabilities |
Ubuntu USN |
USN-8668-2 | Linux kernel (Raspberry Pi) vulnerabilities |
Ubuntu USN |
USN-8729-3 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-8802-1 | Linux kernel (Oracle) vulnerabilities |
Ubuntu USN |
USN-8728-2 | Linux kernel (Azure) vulnerabilities |
Ubuntu USN |
USN-8729-4 | Linux kernel (Low Latency) vulnerabilities |
Ubuntu USN |
USN-8729-5 | Linux kernel (AWS FIPS) vulnerabilities |
Ubuntu USN |
USN-8728-3 | Linux kernel (Oracle) vulnerabilities |
Ubuntu USN |
USN-8729-6 | Linux kernel (AWS) vulnerabilities |
Ubuntu USN |
USN-8906-1 | Linux kernel (IBM) vulnerabilities |
Ubuntu USN |
USN-9066-1 | Linux kernel (HWE) vulnerabilities |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.123% probability within 30 days)
Key SSVC decision points have not yet been added.
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-674 | |
| CPEs | cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:* |
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| Metrics |
cvssV3_1
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| Type | Values Removed | Values Added |
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| Weaknesses | CWE-120 | |
| References |
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| Type | Values Removed | Values Added |
|---|---|---|
| Description | In the Linux kernel, the following vulnerability has been resolved: hwmon: (pmbus/adm1266) widen blackbox-info buffer to I2C_SMBUS_BLOCK_MAX adm1266_nvmem_read_blackbox() declares a 5-byte stack buffer and passes it to i2c_smbus_read_block_data() to retrieve the 4-byte BLACKBOX_INFO response. i2c_smbus_read_block_data() does not honour caller buffer sizes -- it memcpy()s data.block[0] bytes from the SMBus transaction (where data.block[0] is the length byte returned by the slave device, up to I2C_SMBUS_BLOCK_MAX = 32): memcpy(values, &data.block[1], data.block[0]); If the device returns any block length above 5, the call overflows the caller's 5-byte stack buffer before the post-call if (ret != 4) return -EIO; check has a chance to reject the response. Widen the local buffer to I2C_SMBUS_BLOCK_MAX so the helper has room for any well-formed SMBus block response, matching the convention used by the other i2c_smbus_read_block_data() callers in this driver. | |
| Title | hwmon: (pmbus/adm1266) widen blackbox-info buffer to I2C_SMBUS_BLOCK_MAX | |
| First Time appeared |
Linux
Linux linux Kernel |
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| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
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| References |
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