01 Record

CVE-2023-32251

Kernel: ksmbd brute force delay bypass via asynchronous requests

LowPUBLISHEDCNA: redhat

CNA base score3.7 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

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02 Description

Kernel: ksmbd brute force delay bypass via asynchronous requests

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.47% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 40.8% of scored records. A rank, not a probability.

NVD base score

3.7 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-06-30.

Red Hat severity

Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2025-07-31 20:44Z1 YR AGO

Last updated

2026-06-30 06:36Z4 MO AGO

Reserved

2023-05-05

Assigning CNA

redhat

Record state

PUBLISHED

Severity

Low (CVSS 3.7)

CNA CVSS vector

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

Weaknesses

CWE-307Improper Restriction of Excessive Authentication AttemptsBase

Data version

5.2

Document digest

875095ec8a3fe9d3b48458b5484be8e84c19c21d600f7a2d75761a761efd4591

05 Affected products

VendorProductVersionsPlatforms

Red HatRed Hat Enterprise Linux 10Not specified—

Red HatRed Hat Enterprise Linux 6Not specified—

Red HatRed Hat Enterprise Linux 7Not specified—

Red HatRed Hat Enterprise Linux 8Not specified—

Red HatRed Hat Enterprise Linux 9Not specified—

06 References

access.redhat.comhttps://access.redhat.com/security/cve/CVE-2023-32251vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2385852https://bugzilla.redhat.com/show_bug.cgi?id=2385852issue-trackingx_refsource_REDHAT
git.kernel.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b096d97f47326b1e2dbdef1c91fab69ffda54d17
www.zerodayinitiative.comhttps://www.zerodayinitiative.com/advisories/ZDI-23-699/

07 Fixed in

Debian 12

linux
Fixed in 6.1.37-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.3.7-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 6.3.7-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.