// For flags

CVE-2024-26772

ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

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:

ext4: avoid allocating blocks from corrupted group in ext4_mb_find_by_goal()

Places the logic for checking if the group's block bitmap is corrupt under
the protection of the group lock to avoid allocating blocks from the group
with a corrupted block bitmap.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ext4: evita asignar bloques del grupo corrupto en ext4_mb_find_by_goal() Coloca la lógica para verificar si el mapa de bits del bloque del grupo está corrupto bajo la protección del bloqueo del grupo para evitar la asignación de bloques del grupo con un mapa de bits de bloque dañado.

A vulnerability was found in the ext4_mb_find_by_goal() function in the Linux kernel. This issue could lead to memory corruption or crashes due to the allocation of blocks from a group with a corrupted block bitmap.

*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
  • 2024-04-03 CVE Published
  • 2024-04-04 EPSS Updated
  • 2024-12-19 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-229: Improper Handling of Values
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
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< 4.19.308
Search vendor "Linux" for product "Linux Kernel" and version " < 4.19.308"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
< 5.4.270
Search vendor "Linux" for product "Linux Kernel" and version " < 5.4.270"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
< 5.10.211
Search vendor "Linux" for product "Linux Kernel" and version " < 5.10.211"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
< 5.15.150
Search vendor "Linux" for product "Linux Kernel" and version " < 5.15.150"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
< 6.1.80
Search vendor "Linux" for product "Linux Kernel" and version " < 6.1.80"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
< 6.6.19
Search vendor "Linux" for product "Linux Kernel" and version " < 6.6.19"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
< 6.7.7
Search vendor "Linux" for product "Linux Kernel" and version " < 6.7.7"
en
Affected
Linux
Search vendor "Linux"
Linux Kernel
Search vendor "Linux" for product "Linux Kernel"
< 6.8
Search vendor "Linux" for product "Linux Kernel" and version " < 6.8"
en
Affected