Out-of-bounds Read in Linux

CVE-2024-50259

In the Linux kernel, the following vulnerability has been resolved: netdevsim: Add trailing zero to terminate the string in nsim_nexthop_bucket_activity_write() This was found by a static analyzer. We should not forget the trailing zero after copy_from_user() if we will further do some string operations, sscanf() in this case. Adding a trailing zero will ensure that the function performs properly.

Vulnerability class: Buffer Overflow

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: 0.002 (11.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-50259: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

  • Linux — versions c6385c0b67c527b298111775bc89a7407ba1581e, 5.13, 0
  • Linux Kernel — versions 6.12

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-50259?
CVE-2024-50259 is a medium-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2024-11-09.
How severe is CVE-2024-50259?
Medium severity. CVSS v3 base score is 5.5 out of 10.