Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: IORING_OP_READ did not correctly consume the provided buffer list when read i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED return). This can lead to a potential use-after-free when the completion via io_rw_done runs at separate context.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.1, < 6.1.122 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/6c27fc6a783c8a77c756dd5461b15e465020d075Patch
- https://git.kernel.org/stable/c/72060434a14caea20925e492310d6e680e3f9007Patch
- https://git.kernel.org/stable/c/a08d195b586a217d76b42062f88f375a3eedda4dPatch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html
FAQ
What is CVE-2023-52926?
CVE-2023-52926 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: IORING_OP_READ did not correctly consume the provided buffer list when read i/o returned < 0 (except for -EAGAIN and -EIOCBQUEUED r...
How severe is CVE-2023-52926?
CVE-2023-52926 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-52926?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.