Riskcovery

CVE-2024-0646

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

State
Published
Severity
7.0 High
Published
Jan 17, 2024
Updated
Aug 6, 2026
Reserved
Jan 17, 2024

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.17.0 HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:Hredhat

Weaknesses

Affected Products

ProductVersions
kernel
  • before 6.7-rc5Affected
Red Hat Enterprise Linux 8Red Hat
  • 0:4.18.0-513.18.1.rt7.320.el8_9 and laterNot affected
Red Hat Enterprise Linux 8Red Hat
    Red Hat Enterprise Linux 8Red Hat
    • 0:4.18.0-513.18.1.el8_9 and laterNot affected
    Red Hat Enterprise Linux 8.2 Advanced Update SupportRed Hat
    • 0:4.18.0-193.128.1.el8_2 and laterNot affected
    Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat
    • 0:4.18.0-193.128.1.rt13.179.el8_2 and laterNot affected
    Red Hat Enterprise Linux 8.2 Telecommunications Update ServiceRed Hat
    • 0:4.18.0-193.128.1.el8_2 and laterNot affected
    Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRed Hat
    • 0:4.18.0-193.128.1.el8_2 and laterNot affected
    Red Hat Enterprise Linux 8.2 Update Services for SAP SolutionsRed Hat
      Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update SupportRed Hat
      • 0:4.18.0-305.125.1.el8_4 and laterNot affected
      Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat
      • 0:4.18.0-305.125.1.rt7.201.el8_4 and laterNot affected
      Red Hat Enterprise Linux 8.4 Telecommunications Update ServiceRed Hat
      • 0:4.18.0-305.125.1.el8_4 and laterNot affected
      Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat
      • 0:4.18.0-305.125.1.el8_4 and laterNot affected
      Red Hat Enterprise Linux 8.4 Update Services for SAP SolutionsRed Hat
        Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat
        • 0:4.18.0-372.91.1.el8_6 and laterNot affected
        Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat
          Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat
            Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat
            • 0:4.18.0-477.51.1.el8_8 and laterNot affected
            Red Hat Enterprise Linux 9Red Hat
            • 0:5.14.0-362.24.1.el9_3 and laterNot affected
            Red Hat Enterprise Linux 9Red Hat
            • 0:5.14.0-362.24.1.el9_3 and laterNot affected
            Red Hat Enterprise Linux 9Red Hat
              Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat
              • 0:5.14.0-70.93.2.el9_0 and laterNot affected
              Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat
              • 0:5.14.0-70.93.1.rt21.165.el9_0 and laterNot affected
              Red Hat Enterprise Linux 9.0 Extended Update SupportRed Hat
                Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat
                • 0:5.14.0-284.52.1.el9_2 and laterNot affected
                Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat
                • 0:5.14.0-284.52.1.rt14.337.el9_2 and laterNot affected
                Red Hat Enterprise Linux 9.2 Extended Update SupportRed Hat
                  Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Red Hat
                  • 0:4.18.0-372.91.1.el8_6 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.6-22 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.6-11 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v6.8.1-407 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.6-19 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v1.0.0-479 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.6-7 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v0.4.0-247 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.6-5 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v1.1.0-227 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.1-470 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v2.9.6-14 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.6-2 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.6-24 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v5.8.6-10 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v0.1.0-525 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v0.1.0-224 and laterNot affected
                  RHOL-5.8-RHEL-9Red Hat
                  • v0.28.1-56 and laterNot affected
                  Red Hat Enterprise Linux 6Red Hat
                    Red Hat Enterprise Linux 7Red Hat
                      Red Hat Enterprise Linux 7Red Hat
                        Red Hat Enterprise Linux 9Red Hat

                          References

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