Vulnerability Description
A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.
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 | < 5.15.62 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_urPatchVendor Advisory
- https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62Release NotesVendor Advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/fs/io_urPatchVendor Advisory
- https://lore.kernel.org/lkml/CAO4S-mdVW5GkODk0+vbQexNAAJZopwzFJ9ACvRCJ989fQ4A6Ow
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.62Release NotesVendor Advisory
FAQ
What is CVE-2022-40476?
CVE-2022-40476 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A null pointer dereference issue was discovered in fs/io_uring.c in the Linux kernel before 5.15.62. A local user could use this flaw to crash the system or potentially cause a denial of service.
How severe is CVE-2022-40476?
CVE-2022-40476 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-2022-40476?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.