Integer overflow in Linux

CVE-2024-36917

In the Linux kernel, the following vulnerability has been resolved: block: fix overflow in blk_ioctl_discard() There is no check for overflow of 'start + len' in blk_ioctl_discard(). Hung task occurs if submit an discard ioctl with the following param: start = 0x80000000000ff000, len = 0x8000000000fff000; Add the overflow validation now.

Vulnerability class: Integer 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 (11.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.9% 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-2024-36917: 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 d30a2605be9d5132d95944916e8f578fcfe4f976, 2.6.28, 0
  • Linux Kernel — versions 6.9

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-36917?
CVE-2024-36917 is a medium-severity vulnerability in Linux, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2024-05-30.
How severe is CVE-2024-36917?
Medium severity. CVSS v3 base score is 5.5 out of 10.