Vulnerability Description
An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free.
CVSS Score
4.7
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | <= 5.19.8 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://github.com/torvalds/linux/commit/9cb636b5f6a8cc6d1b50809ec8f8d33ae0c84c9PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing ListThird Party Advisory
- https://www.debian.org/security/2022/dsa-5257Third Party Advisory
- https://github.com/torvalds/linux/commit/9cb636b5f6a8cc6d1b50809ec8f8d33ae0c84c9PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.htmlMailing ListThird Party Advisory
- https://www.debian.org/security/2022/dsa-5257Third Party Advisory
FAQ
What is CVE-2022-40307?
CVE-2022-40307 is a vulnerability with a CVSS score of 4.7 (MEDIUM). An issue was discovered in the Linux kernel through 5.19.8. drivers/firmware/efi/capsule-loader.c has a race condition with a resultant use-after-free.
How severe is CVE-2022-40307?
CVE-2022-40307 has been rated MEDIUM with a CVSS base score of 4.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2022-40307?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Debian Debian Linux.