CVE-2024-26774
ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt
Description
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.
INFO
Published Date :
April 3, 2024, 5:15 p.m.
Last Modified :
June 19, 2025, 1:15 p.m.
Remotely Exploit :
No
Source :
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | [email protected] |
Solution
- Update the Linux kernel to a patched version.
- Reboot the system to apply the update.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2024-26774.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2024-26774 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2024-26774
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2024-26774 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2024-26774 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
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CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Jun. 19, 2025
Action Type Old Value New Value Removed Reference https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4 Removed Reference Type https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4 Types: Patch -
Initial Analysis by [email protected]
Feb. 27, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Added CWE CWE-369 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:6.8:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 from (excluding) 6.1.80 *cpe:2.3:o:linux:linux_kernel:6.8:rc2:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.7 from (excluding) 6.7.7 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 from (excluding) 6.6.19 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (excluding) 5.15.150 Added Reference Type CVE: https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3 Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3 Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b Types: Patch Added Reference Type CVE: https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a Types: Patch Added Reference Type kernel.org: https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a Types: Patch -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4 Added Reference https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150 Added Reference https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3 Added Reference https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b Added Reference https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 29, 2024
Action Type Old Value New Value -
CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
May. 14, 2024
Action Type Old Value New Value -
CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Apr. 03, 2024
Action Type Old Value New Value Added Description 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. Added Reference kernel.org https://git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3 [No types assigned] Added Reference kernel.org https://git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b [No types assigned]