CVE-2023-38426
9.1
CRITICAL · CVSS 3.1 · EPSS 3% (pctl 87)
In your normal cycle
Critical by CVSS (9.1), but no sign of active exploitation.
Description
An issue was discovered in the Linux kernel before 6.3.4. ksmbd has an out-of-bounds read in smb2_find_context_vals when create_context's name_len is larger than the tag length.
Scoring
| CVSS | 9.1 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |
| EPSS | 3.04% — more likely to be exploited than 87% of all CVEs |
| Weakness | CWE-125 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2023-07-18 |
| Last modified | 2026-06-17 |
Affected (7)
| Vendor | Product |
|---|---|
| linux | linux kernel |
| netapp | h300s |
| netapp | h410s |
| netapp | h500s |
| netapp | h700s |
| netapp | solidfire \& hci management node |
| netapp | solidfire \& hci storage node |
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=02f76c401d17e409ed45bf7887148fcc22c93c85
- https://security.netapp.com/advisory/ntap-20230915-0010/
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.4
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/ksmbd?id=02f76c401d17e409ed45bf7887148fcc22c93c85
- https://security.netapp.com/advisory/ntap-20230915-0010/
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