SecuriTricks - CVE-2024-49877

CVSS Score

5.5 / 10

Products Impacted

Vendor	Product	Versions
linux	linux_kernel	*, 4.4.204, 4.9.204, 4.14.157, 4.19.87

Description

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix possible null-ptr-deref in ocfs2_set_buffer_uptodate When doing cleanup, if flags without OCFS2_BH_READAHEAD, it may trigger NULL pointer dereference in the following ocfs2_set_buffer_uptodate() if bh is NULL.

Weaknesses

CWE-476

NULL Pointer Dereference

A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

CWE ID: 476

Date

Published: Oct. 21, 2024, 6:15 p.m.

Last Modified: Nov. 8, 2024, 4:15 p.m.

Status : Modified

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

CPEs

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
o	linux	linux_kernel	/	/	/	/	/	/	/	/
o	linux	linux_kernel	/	/	/	/	/	/	/	/
o	linux	linux_kernel	/	/	/	/	/	/	/	/
o	linux	linux_kernel	/	/	/	/	/	/	/	/
o	linux	linux_kernel	/	/	/	/	/	/	/	/
o	linux	linux_kernel	/	/	/	/	/	/	/	/
o	linux	linux_kernel	4.4.204	/	/	/	/	/	/	/
o	linux	linux_kernel	4.9.204	/	/	/	/	/	/	/
o	linux	linux_kernel	4.14.157	/	/	/	/	/	/	/
o	linux	linux_kernel	4.19.87	/	/	/	/	/	/	/

CVSS Data

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

5.5

Exploitability Score

1.8

Impact Score

3.6

Base Severity

MEDIUM

CVSS Vector String

The CVSS vector string provides an in-depth view of the vulnerability metrics.

View Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References

https://git.kernel.org/ 416baaa9-dc9f-4396-8d5f-8c081fb06d67

CVE-2024-49877

Tags