CVE-2024-57943
exfat: fix the new buffer was not zeroed before writing
Severity Score
7.1
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In the Linux kernel, the following vulnerability has been resolved: exfat: fix the new buffer was not zeroed before writing Before writing, if a buffer_head marked as new, its data must
be zeroed, otherwise uninitialized data in the page cache will
be written. So this commit uses folio_zero_new_buffers() to zero the new
buffers before ->write_end().
In the Linux kernel, the following vulnerability has been resolved: exfat: fix the new buffer was not zeroed before writing Before writing, if a buffer_head marked as new, its data must be zeroed, otherwise uninitialized data in the page cache will be written. So this commit uses folio_zero_new_buffers() to zero the new buffers before ->write_end().
*Credits:
N/A
CVSS Scores
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Scope
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Confidentiality
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* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2025-01-19 CVE Reserved
- 2025-01-21 CVE Published
- 2025-01-21 CVE Updated
- ---------- EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
CAPEC
References (3)
| URL | Tag | Source |
|---|---|---|
| https://git.kernel.org/stable/c/6630ea49103c3d45461e29b0f6eb0ce750aeb8f5 | Vuln. Introduced |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://git.kernel.org/stable/c/942c6f91ab8d82a41650e717940b4e577173762f | 2025-01-17 | |
| https://git.kernel.org/stable/c/98e2fb26d1a9eafe79f46d15d54e68e014d81d8c | 2024-12-31 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.12 < 6.12.10 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.12 < 6.12.10" | en |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | >= 6.12 < 6.13 Search vendor "Linux" for product "Linux Kernel" and version " >= 6.12 < 6.13" | en |
Affected
| ||||||