Vulnerability Description
mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
CVSS Score
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.19.7 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2351ExploitMailing ListThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7Mailing ListPatchVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=25552Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542PatchThird Party Advisory
- https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringinExploitTechnical DescriptionThird Party Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2351ExploitMailing ListThird Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.7Mailing ListPatchVendor Advisory
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=25552Mailing ListPatchVendor Advisory
- https://github.com/torvalds/linux/commit/2555283eb40df89945557273121e9393ef9b542PatchThird Party Advisory
- https://googleprojectzero.blogspot.com/2022/12/exploiting-CVE-2022-42703-bringinExploitTechnical DescriptionThird Party Advisory
FAQ
What is CVE-2022-42703?
CVE-2022-42703 is a vulnerability with a CVSS score of 5.5 (MEDIUM). mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.
How severe is CVE-2022-42703?
CVE-2022-42703 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-42703?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.