High [CVE-2024-0646] Kernel: ktls overwrites readonly memory pages when using function splice with a ktls socket as destination
This high-severity Red Hat Linux advisory covers CVE-2024-0646 affecting kernel, Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Telecommunications Update Service.
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Summary
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.
Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 8.2 Advanced Update Support; Red Hat Enterprise Linux 8.2 Telecommunications Update Service; Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions; and 10 more.
Affected products named by the advisory: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support; Red Hat Enterprise Linux 8.4 Telecommunications Update Service; Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions; Red Hat Enterprise Linux 8.6 Extended Update Support; and 5 more.
- before 6.7-rc5
Official advisory · high-confidence parse· fetched 17 hours ago·verify at source
- 6.7-rc5
Official advisory · high-confidence parse· fetched 17 hours ago·verify at source
Mitigation
Upgrade to a fixed release: 6.7-rc5. That is the remediation for this advisory.
The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.
Official advisory · high-confidence parse· fetched 17 hours ago·verify at source
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