vulnerability

Huawei EulerOS: CVE-2022-39188: kernel security update

Severity
4
CVSS
(AV:L/AC:M/Au:S/C:N/I:N/A:C)
Published
Sep 2, 2022
Added
Mar 9, 2023
Modified
Jan 28, 2025

Description

An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.

Solution(s)

huawei-euleros-2_0_sp5-upgrade-kernelhuawei-euleros-2_0_sp5-upgrade-kernel-develhuawei-euleros-2_0_sp5-upgrade-kernel-headershuawei-euleros-2_0_sp5-upgrade-kernel-toolshuawei-euleros-2_0_sp5-upgrade-kernel-tools-libshuawei-euleros-2_0_sp5-upgrade-perfhuawei-euleros-2_0_sp5-upgrade-python-perf
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