Out-of-bounds Read in Linux

CVE-2024-46764

In the Linux kernel, the following vulnerability has been resolved: bpf: add check for invalid name in btf_name_valid_section() If the length of the name string is 1 and the value of name[0] is NULL byte, an OOB vulnerability occurs in btf_name_valid_section() and the return value is true, so the invalid name passes the check. To solve this, you need to check if the first position is NULL byte and if the first character is printable.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.1th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 11.1% 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-2024-46764: 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 bd70a8fb7ca4fcb078086f4d96b048aaf1aa4786, 6.9, 0
  • Linux Kernel — versions 6.11

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-46764?
CVE-2024-46764 is a high-severity vulnerability in Linux, classified under Out-of-bounds Read. CVSS score: 7.3/10. Published 2024-09-18.
How severe is CVE-2024-46764?
High severity. CVSS v3 base score is 7.3 out of 10.