Vulnerability in Linux Kernel
CVE-2022-2873
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (21.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 22nd percentile — 21.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lore.kernel.org/lkml/20220729093451.551672-1-zheyuma97@gmail.com/T/
- security.netapp.com/advisory/ntap-20230120-0001/ (Third Party Advisory)
- www.debian.org/security/2023/dsa-5324 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2023/03/msg00000.html (mailing-list)
- lists.debian.org/debian-lts-announce/2023/05/msg00006.html (mailing-list)
Frequently asked questions
- What is CVE-2022-2873?
- CVE-2022-2873 is a medium-severity vulnerability in Linux Kernel, classified under Incorrect Calculation of Buffer Size. CVSS score: 5.5/10. Published 2022-08-22.
- How severe is CVE-2022-2873?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-2873 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.