What is CVE-2024-26774?

CVE-2024-26774 is a medium-severity vulnerability in Linux, classified under Divide By Zero. CVSS score: 5.5/10. Published 2024-04-03.

How severe is CVE-2024-26774?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2024-26774 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2024-26774

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt Determine if bb_fragments is 0 instead of determining bb_free to eliminate the risk of dividing by zero when the block bitmap is corrupted.

EPSS: 0.002 (15.0th percentile) — read the EPSS interpretation.

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.

Affected products

Linux — versions 6.1.80, 6.6.19, 398a0fdb38d9ab5e68023667cc5e6e3d109e2d6b
Linux Linux_kernel — versions 6.8

Weakness classification (CWE)

CWE-369 — Divide By Zero

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
af854a3a-2127-422b-91ae-364da2661108 (Patch)

Frequently asked questions

What is CVE-2024-26774?: CVE-2024-26774 is a medium-severity vulnerability in Linux, classified under Divide By Zero. CVSS score: 5.5/10. Published 2024-04-03.
How severe is CVE-2024-26774?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2024-26774 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.