NULL pointer dereference in Linux
CVE-2024-35878
In the Linux kernel, the following vulnerability has been resolved: of: module: prevent NULL pointer dereference in vsnprintf() In of_modalias(), we can get passed the str and len parameters which would cause a kernel oops in vsnprintf() since it only allows passing a NULL ptr when the length is also 0. Also, we need to filter out the negative values of the len parameter as these will result in a really huge buffer since snprintf() takes size_t parameter while ours is ssize_t... Found by Linux Verification Center (linuxtesting.org) with the Svace static analysis tool.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.008 (54.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 54.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: +0.000
Affected products
- Linux — versions bd7a7ed774afd1a4174df34227626c95573be517, 6.4, 0
- Linux Kernel — versions 6.9
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2024-35878?
- CVE-2024-35878 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2024-05-19.
- How severe is CVE-2024-35878?
- Medium severity. CVSS v3 base score is 5.3 out of 10.