CVE-2022-4127

A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b	Patch Third Party Advisory
https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/	Patch Vendor Advisory
https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b	Patch Third Party Advisory
https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel:5.19:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc4::::::
	cpe:2.3:o:linux:linux_kernel:5.19:rc5::::::

History

25 Jun 2025, 20:57

Type	Values Removed	Values Added
CPE	cpe:2.3:o:linux:linux_kernel::::::::	cpe:2.3:o:linux:linux_kernel:5.19:rc2:::::: cpe:2.3:o:linux:linux_kernel:5.19:rc1:::::: cpe:2.3:o:linux:linux_kernel:5.19:rc5:::::: cpe:2.3:o:linux:linux_kernel:5.19:rc4:::::: cpe:2.3:o:linux:linux_kernel:5.19:rc3::::::
References	~~() https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/ -~~	() https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/ - Patch, Vendor Advisory

21 Nov 2024, 07:34

Type	Values Removed	Values Added
References	~~() https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b - Patch, Third Party Advisory~~	() https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b - Patch, Third Party Advisory
References	~~() https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/ -~~	() https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/ -

07 Nov 2023, 03:56

Type	Values Removed	Values Added
References	{'url': 'https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89@kernel.dk/', 'name': 'https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89@kernel.dk/', 'tags': ['Patch', 'Vendor Advisory'], 'refsource': 'MISC'}	() https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/ -

Information

Published : 2022-11-28 22:15

Updated : 2025-06-25 20:57

NVD link : CVE-2022-4127

Mitre link : CVE-2022-4127

CVE.ORG link : CVE-2022-4127

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-476

NULL Pointer Dereference

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5.5 /10