CVE-2022-2873 describes an out-of-bounds memory access flaw in the Linux kernel's Intel iSMT SMBus host controller driver. This vulnerability allows a local user to crash the system by providing malicious input data via the I2C_SMBUS_BLOCK_DATA ioctl. Rated 5.5 MEDIUM, it has a local attack vector with low complexity, resulting in high availability impact but no confidentiality or integrity compromise. There is no evidence of active exploitation, public exploit code, or significant community discussion, indicating a low current threat level.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
5.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.19:rc1:*:*:*:*:*:* | ||
5.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.19:rc2:*:*:*:*:*:* | ||
5.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.19:rc3:*:*:*:*:*:* | ||
5.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.19:rc4:*:*:*:*:*:* |
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.
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.
Aug 9, 2022kernel: an out-of-bounds vulnerability in i2c-ismt driver
Jul 29, 2022