Vulnerability Monitor

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CVE-2023-38427

An issue was discovered in the Linux kernel before 6.3.8. fs/smb/server/smb2pdu.c in ksmbd has an integer underflow and out-of-bounds read in deassemble_neg_contexts.

Published

2023-07-18T00:15:09.530

Last Modified

2025-05-05T16:15:42.430

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

Weaknesses

Type: Primary
CWE-125
CWE-191
Type: Secondary
CWE-125
CWE-191

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	linux	linux_kernel	< 5.15.145	Yes
Operating System	linux	linux_kernel	< 6.1.34	Yes
Operating System	linux	linux_kernel	< 6.3.8	Yes
Hardware	netapp	h300s	-	Yes
Hardware	netapp	h410s	-	Yes
Hardware	netapp	h500s	-	Yes
Hardware	netapp	h700s	-	Yes

References

https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 Release Notes ([email protected])
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=f1a411873c85b642f13b01f21b534c2bab81fc1b Patch ([email protected])
https://security.netapp.com/advisory/ntap-20230824-0011/ Third Party Advisory ([email protected])
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8 Release Notes (af854a3a-2127-422b-91ae-364da2661108)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=f1a411873c85b642f13b01f21b534c2bab81fc1b Patch (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20230824-0011/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)