Vulnerability Details : 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.
Products affected by CVE-2023-38427
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*
- cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*
- cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*
- cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-38427
0.15%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-38427
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2023-38427
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
-
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-38427
-
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=f1a411873c85b642f13b01f21b534c2bab81fc1b
kernel/git/torvalds/linux.git - Linux kernel source treePatch
-
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8
Release Notes
-
https://security.netapp.com/advisory/ntap-20230824-0011/
July 2023 Linux Kernel 6.3.7 Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
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