CVE-2022-42703

Description

mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.

Affected Platforms

Weakness Type

CWE-416

References

• https://bugs.chromium.org/p/project-zero/issues/detail?id=2351
• https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7
• https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=25552…
• https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542…
• https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringin…
• https://bugs.chromium.org/p/project-zero/issues/detail?id=2351