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CVE-2024-0646

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CVE-2024-0646

Published: Jan 17, 2024

Modified: Nov 6, 2025

PUBLISHED

CVSS v3.1

7.0

HIGH

Description

An out-of-bounds memory write flaw was found in the Linux kernel’s Transport Layer Security functionality in how a user calls a function splice with a ktls socket as the destination. This flaw allows a local user to crash or potentially escalate their privileges on the system.

VendorProductVersions

Unknown

kernel

affected
0 - < 6.7-rc5

Red Hat

Red Hat Enterprise Linux 8

unaffected
0:4.18.0-513.18.1.rt7.320.el8_9 - < *

Red Hat

Red Hat Enterprise Linux 8

All versions

Red Hat

Red Hat Enterprise Linux 8

unaffected
0:4.18.0-513.18.1.el8_9 - < *

Red Hat

Red Hat Enterprise Linux 8.2 Advanced Update Support

unaffected
0:4.18.0-193.128.1.el8_2 - < *

Red Hat

Red Hat Enterprise Linux 8.2 Telecommunications Update Service

unaffected
0:4.18.0-193.128.1.rt13.179.el8_2 - < *

Red Hat

Red Hat Enterprise Linux 8.2 Telecommunications Update Service

unaffected
0:4.18.0-193.128.1.el8_2 - < *

Red Hat

Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions

unaffected
0:4.18.0-193.128.1.el8_2 - < *

Red Hat

Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions

All versions

Red Hat

Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support

unaffected
0:4.18.0-305.125.1.el8_4 - < *

Red Hat

Red Hat Enterprise Linux 8.4 Telecommunications Update Service

unaffected
0:4.18.0-305.125.1.rt7.201.el8_4 - < *

Red Hat

Red Hat Enterprise Linux 8.4 Telecommunications Update Service

unaffected
0:4.18.0-305.125.1.el8_4 - < *

Red Hat

Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

unaffected
0:4.18.0-305.125.1.el8_4 - < *

Red Hat

Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

All versions

Red Hat

Red Hat Enterprise Linux 8.6 Extended Update Support

unaffected
0:4.18.0-372.91.1.el8_6 - < *

Red Hat

Red Hat Enterprise Linux 8.6 Extended Update Support

All versions

Red Hat

Red Hat Enterprise Linux 8.8 Extended Update Support

All versions

Red Hat

Red Hat Enterprise Linux 8.8 Extended Update Support

unaffected
0:4.18.0-477.51.1.el8_8 - < *

Red Hat

Red Hat Enterprise Linux 9

unaffected
0:5.14.0-362.24.1.el9_3 - < *

Red Hat

Red Hat Enterprise Linux 9

unaffected
0:5.14.0-362.24.1.el9_3 - < *

Red Hat

Red Hat Enterprise Linux 9

All versions

Red Hat

Red Hat Enterprise Linux 9.0 Extended Update Support

unaffected
0:5.14.0-70.93.2.el9_0 - < *

Red Hat

Red Hat Enterprise Linux 9.0 Extended Update Support

unaffected
0:5.14.0-70.93.1.rt21.165.el9_0 - < *

Red Hat

Red Hat Enterprise Linux 9.0 Extended Update Support

All versions

Red Hat

Red Hat Enterprise Linux 9.2 Extended Update Support

unaffected
0:5.14.0-284.52.1.el9_2 - < *

Red Hat

Red Hat Enterprise Linux 9.2 Extended Update Support

unaffected
0:5.14.0-284.52.1.rt14.337.el9_2 - < *

Red Hat

Red Hat Enterprise Linux 9.2 Extended Update Support

All versions

Red Hat

Red Hat Virtualization 4 for Red Hat Enterprise Linux 8

unaffected
0:4.18.0-372.91.1.el8_6 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.6-22 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.6-11 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v6.8.1-407 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.6-19 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v1.0.0-479 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.6-7 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v0.4.0-247 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.6-5 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v1.1.0-227 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.1-470 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v2.9.6-14 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.6-2 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.6-24 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v5.8.6-10 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v0.1.0-525 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v0.1.0-224 - < *

Red Hat

RHOL-5.8-RHEL-9

unaffected
v0.28.1-56 - < *

Red Hat

Red Hat Enterprise Linux 6

All versions

Red Hat

Red Hat Enterprise Linux 7

All versions

Red Hat

Red Hat Enterprise Linux 7

All versions

Red Hat

Red Hat Enterprise Linux 9

All versions

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

References

RHSA-2024:0723
vendor-advisory
x_refsource_REDHAT
RHSA-2024:0724
vendor-advisory
x_refsource_REDHAT
RHSA-2024:0725
vendor-advisory
x_refsource_REDHAT
RHSA-2024:0850
vendor-advisory
x_refsource_REDHAT
RHSA-2024:0851
vendor-advisory
x_refsource_REDHAT
RHSA-2024:0876
vendor-advisory
x_refsource_REDHAT
RHSA-2024:0881
vendor-advisory
x_refsource_REDHAT
RHSA-2024:0897
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1248
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1250
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1251
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1253
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1268
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1269
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1278
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1306
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1367
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1368
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1377
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1382
vendor-advisory
x_refsource_REDHAT
RHSA-2024:1404
vendor-advisory
x_refsource_REDHAT
RHSA-2024:2094
vendor-advisory
x_refsource_REDHAT
RHBZ#2253908
issue-tracking
x_refsource_REDHAT

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