CVE-2022-3077 is a buffer overflow vulnerability in the Linux kernel's Intel iSMT SMBus host controller driver, specifically affecting the handling of I2C_SMBUS_BLOCK_PROC_CALL with malicious input. This flaw allows a local user to crash the system. With a CVSS score of 5.5 (MEDIUM), it requires local access and low privileges, but does not impact confidentiality or integrity, only availability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.11, < 5.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
A buffer overflow vulnerability was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way it handled the I2C_SMBUS_BLOCK_PROC_CALL case (via the ioctl I2C_SMBUS) with malicious input data. This flaw could allow a local user to crash the system.
Sep 13, 2022kernel: i2c: unbounded length leads to buffer overflow in ismt_access()
Jun 2, 2022