VulnerabilityModified
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.
CRITICAL 9.8EPSS 1.24%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.24% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125, CWE-191
- Affected
- linux/linux kernel · netapp/h300s · netapp/h410s · netapp/h500s · netapp/h700s
- Source
- cve@mitre.org
References
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=f1a411873c85b642f13b01f21b534c2bab81fc1bPatch
- https://security.netapp.com/advisory/ntap-20230824-0011/Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3.8Release Notes
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/fs/smb/server?id=f1a411873c85b642f13b01f21b534c2bab81fc1bPatch
- https://security.netapp.com/advisory/ntap-20230824-0011/Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.