// For flags

CVE-2024-26973

fat: fix uninitialized field in nostale filehandles

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

In the Linux kernel, the following vulnerability has been resolved:

fat: fix uninitialized field in nostale filehandles

When fat_encode_fh_nostale() encodes file handle without a parent it
stores only first 10 bytes of the file handle. However the length of the
file handle must be a multiple of 4 so the file handle is actually 12
bytes long and the last two bytes remain uninitialized. This is not
great at we potentially leak uninitialized information with the handle
to userspace. Properly initialize the full handle length.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: fat: corrige el campo no inicializado en los identificadores de archivos notale Cuando fat_encode_fh_nostale() codifica el identificador de archivo sin un padre, almacena solo los primeros 10 bytes del identificador de archivo. Sin embargo, la longitud del identificador del archivo debe ser múltiplo de 4, por lo que el identificador del archivo tiene en realidad 12 bytes de longitud y los dos últimos bytes permanecen sin inicializar. Esto no es bueno porque potencialmente filtramos información no inicializada con el identificador al espacio de usuario. Inicialice correctamente toda la longitud del mango.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2024-02-19 CVE Reserved
  • 2024-05-01 CVE Published
  • 2024-05-01 EPSS Updated
  • 2024-09-11 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
CAPEC
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"
>= 3.10 < 4.19.312
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 4.19.312"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 5.4.274
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 5.4.274"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 5.10.215
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 5.10.215"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 5.15.154
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 5.15.154"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 6.1.84
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 6.1.84"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 6.6.24
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 6.6.24"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 6.7.12
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 6.7.12"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 6.8.3
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 6.8.3"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
>= 3.10 < 6.9
Search vendor "Linux" for product "Linux Kernel" and version " >= 3.10 < 6.9"
en
Affected