This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
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Linux Kernel Subscribe

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No data.

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Advisories
Source ID Title
EUVD EUVD EUVD-2025-29899 This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://lore.kernel.org/linux-cve-announce/2025091852-CVE-2022-50403-0471@gregkh/T cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2022-50403 cve-icon
https://www.cve.org/CVERecord?id=CVE-2022-50403 cve-icon
History

Mon, 22 Sep 2025 20:30:00 +0000

Type Values Removed Values Added
References

Mon, 22 Sep 2025 19:30:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: ext4: fix undefined behavior in bit shift for ext4_check_flag_values Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in fs/ext4/ext4.h:591:2 left shift of 1 by 31 places cannot be represented in type 'int' Call Trace: <TASK> dump_stack_lvl+0x7d/0xa5 dump_stack+0x15/0x1b ubsan_epilogue+0xe/0x4e __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c ext4_init_fs+0x5a/0x277 do_one_initcall+0x76/0x430 kernel_init_freeable+0x3b3/0x422 kernel_init+0x24/0x1e0 ret_from_fork+0x1f/0x30 </TASK> This CVE ID has been rejected or withdrawn by its CVE Numbering Authority.
Title ext4: fix undefined behavior in bit shift for ext4_check_flag_values kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values

Fri, 19 Sep 2025 09:45:00 +0000

Type Values Removed Values Added
First Time appeared Linux
Linux linux Kernel
Vendors & Products Linux
Linux linux Kernel

Fri, 19 Sep 2025 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

 cvssV3_1

{'score': 7.0, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H'}

threat_severity

Moderate

Thu, 18 Sep 2025 16:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: ext4: fix undefined behavior in bit shift for ext4_check_flag_values Shifting signed 32-bit value by 31 bits is undefined, so changing significant bit to unsigned. The UBSAN warning calltrace like below: UBSAN: shift-out-of-bounds in fs/ext4/ext4.h:591:2 left shift of 1 by 31 places cannot be represented in type 'int' Call Trace: <TASK> dump_stack_lvl+0x7d/0xa5 dump_stack+0x15/0x1b ubsan_epilogue+0xe/0x4e __ubsan_handle_shift_out_of_bounds+0x1e7/0x20c ext4_init_fs+0x5a/0x277 do_one_initcall+0x76/0x430 kernel_init_freeable+0x3b3/0x422 kernel_init+0x24/0x1e0 ret_from_fork+0x1f/0x30 </TASK>
Title ext4: fix undefined behavior in bit shift for ext4_check_flag_values
References

Projects

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cve-icon MITRE

Status: REJECTED

Assigner: Linux

Published:

Updated: 2025-09-22T19:12:41.397Z

Reserved: 2025-09-17T14:53:06.999Z

Link: CVE-2022-50403

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Rejected

Published: 2025-09-18T16:15:43.377

Modified: 2025-09-22T20:15:36.870

Link: CVE-2022-50403

cve-icon Redhat

Severity : Moderate

Publid Date: 2025-09-18T00:00:00Z

Links: CVE-2022-50403 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2025-09-19T09:35:41Z

Weaknesses

No weakness.