Considering that CONFIG_X86_5LEVEL is enabled in openEuler-1.0-LTS, Backport 4.19.297 LTS patch to fix CVE-2023-52504.
https://nvd.nist.gov/vuln/detail/CVE-2023-52504
Kirill A. Shutemov (1): x86/alternatives: Disable KASAN in apply_alternatives()
arch/x86/kernel/alternative.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)