Vulnerability Description
An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.
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 | <= 6.5.9 |
Related Weaknesses (CWE)
References
- https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb4Patch
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
- https://bugzilla.kernel.org/show_bug.cgi?id=218032#c4Issue TrackingPatchThird Party Advisory
- https://github.com/torvalds/linux/commit/7644b1a1c9a7ae8ab99175989bfc8676055edb4Patch
- https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
FAQ
What is CVE-2023-46862?
CVE-2023-46862 is a vulnerability with a CVSS score of 4.7 (MEDIUM). An issue was discovered in the Linux kernel through 6.5.9. During a race with SQ thread exit, an io_uring/fdinfo.c io_uring_show_fdinfo NULL pointer dereference can occur.
How severe is CVE-2023-46862?
CVE-2023-46862 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-2023-46862?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.