CVE-2022-50657
Published: Dec 9, 2025
Modified: May 11, 2026
Description
In the Linux kernel, the following vulnerability has been resolved: riscv: mm: add missing memcpy in kasan_init Hi Atish, It seems that the panic is due to the missing memcpy during kasan_init. Could you please check whether this patch is helpful? When doing kasan_populate, the new allocated base_pud/base_p4d should contain kasan_early_shadow_{pud, p4d}'s content. Add the missing memcpy to avoid page fault when read/write kasan shadow region. Tested on: - qemu with sv57 and CONFIG_KASAN on. - qemu with sv48 and CONFIG_KASAN on.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected 8fbdccd2b17335e1881a23865e98c63fcc345938 - < ff0f6becf3a6f817838b6f80a2c9cca43dce0576affected 8fbdccd2b17335e1881a23865e98c63fcc345938 - < 9f2ac64d6ca60db99132e08628ac2899f956a0ec |
Linux | Linux | affected 5.18unaffected 0 - < 5.18unaffected 6.0.7 - <= 6.0.*unaffected 6.1 - <= * |
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