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7.0 High

CVE-2024-0646 Kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination

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.

CVSS 3.1 detail

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

Exploitable with local access to the machine, with an ordinary account and without any user action; an attacker can seriously compromise confidentiality, integrity or availability.

Attack vector
Local
Attack complexity
High
Privileges required
Low
Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected products and versions

Product Affected versions Fixed in
Red Hat Enterprise Linux 8 Versions not published
Red Hat Enterprise Linux 8.2 Advanced Update Support Versions not published
Red Hat Enterprise Linux 8.2 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Versions not published
Red Hat Enterprise Linux 8.4 Telecommunications Update Service Versions not published
Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Versions not published
Red Hat Enterprise Linux 8.6 Extended Update Support Versions not published
Red Hat Enterprise Linux 8.8 Extended Update Support Versions not published
Show the 7 other branches
Product Affected versions Fixed in
Red Hat Enterprise Linux 9 Versions not published
Red Hat Enterprise Linux 9.0 Extended Update Support Versions not published
Red Hat Enterprise Linux 9.2 Extended Update Support Versions not published
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 Versions not published
RHOL-5.8-RHEL-9 0.28 earliest → < 0.28.1-56 0.28.1-56
Red Hat Enterprise Linux 6 Versions not published
Red Hat Enterprise Linux 7 Versions not published

References

Timeline

  1. Published
  2. Last modified

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