ByteOS Network

NVD Vulnerability Details :

CVE-2026-43378

Modified

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

Published At-08 May, 2026 | 15:16

Updated At-20 May, 2026 | 17:16

In the Linux kernel, the following vulnerability has been resolved: smb: server: fix use-after-free in smb2_open() The opinfo pointer obtained via rcu_dereference(fp->f_opinfo) is dereferenced after rcu_read_unlock(), creating a use-after-free window.

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Secondary	3.1	9.8	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary	3.1	7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Type: Secondary

Version: 3.1

Base score: 9.8

Base severity: CRITICAL

Vector:

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

Type: Primary

Version: 3.1

Base score: 7.8

Base severity: HIGH

Vector:

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

CPE Matches

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 5.15(inclusive) to 6.1.167(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 6.2(inclusive) to 6.6.130(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 6.7(inclusive) to 6.12.78(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 6.13(inclusive) to 6.18.19(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>Versions from 6.19(inclusive) to 6.19.9(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>7.0

cpe:2.3:o:linux:linux_kernel:7.0:rc1:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>7.0

cpe:2.3:o:linux:linux_kernel:7.0:rc2:*:*:*:*:*:*

Linux Kernel Organization, Inc

>>linux_kernel>>7.0

cpe:2.3:o:linux:linux_kernel:7.0:rc3:*:*:*:*:*:*

Weaknesses

CWE ID	Type	Source
CWE-416	Primary	nvd@nist.gov

CWE ID: CWE-416

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://git.kernel.org/stable/c/190e5f808e8058640b408ccfed25440b441a718a	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/1e689a56173827669a35da7cb2a3c78ed5c53680	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/54b48ae83de8bb06e65079d96368efe359d4909c	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/8f5b1a7cb009a93c48e9e334a2f59a660f9afc07	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/b720c84087cb547f23ce03eab93568c1769e4556	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch
https://git.kernel.org/stable/c/e1b21e6066615e7d3d3a7aa2677e415e563fd7cc	416baaa9-dc9f-4396-8d5f-8c081fb06d67	Patch