CVE-2024-36917

block: fix overflow in blk_ioctl_discard()

Severity Score

4.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

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

block: fix overflow in blk_ioctl_discard()

There is no check for overflow of 'start + len' in blk_ioctl_discard().
Hung task occurs if submit an discard ioctl with the following param:
start = 0x80000000000ff000, len = 0x8000000000fff000;
Add the overflow validation now.

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bloque: corrige el desbordamiento en blk_ioctl_discard() No hay verificación de desbordamiento de 'start + len' en blk_ioctl_discard(). La tarea bloqueada ocurre si envía un ioctl de descarte con el siguiente parámetro: start = 0x80000000000ff000, len = 0x8000000000fff000; Agregue la validación de desbordamiento ahora.

*Credits: N/A

CVSS Scores

Red Hatv3.1 4.4

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2024-05-30 CVE Reserved
2024-05-30 CVE Published
2024-05-31 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-190: Integer Overflow or Wraparound

CAPEC

References (6)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC
https://git.kernel.org/stable/c/8a26198186e97ee5fc4b42fde82629cff8c75cd6	2024-05-17
https://git.kernel.org/stable/c/e1d38cde2b7b0fbd1c48082e7a98c37d750af59b	2024-05-17
https://git.kernel.org/stable/c/507d526a98c355e6f3fb2c47aacad44a69784bee	2024-05-17
https://git.kernel.org/stable/c/22d24a544b0d49bbcbd61c8c0eaf77d3c9297155	2024-04-02

URL	Date	SRC
https://access.redhat.com/security/cve/CVE-2024-36917	2024-08-08
https://bugzilla.redhat.com/show_bug.cgi?id=2284519	2024-08-08

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"				< 6.1.91 Search vendor "Linux" for product "Linux Kernel" and version " < 6.1.91"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.6.31 Search vendor "Linux" for product "Linux Kernel" and version " < 6.6.31"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.8.10 Search vendor "Linux" for product "Linux Kernel" and version " < 6.8.10"		en		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				< 6.9 Search vendor "Linux" for product "Linux Kernel" and version " < 6.9"		en		Affected