Vulnerability Description
A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileges to root. Introduced in b5dba59e0cf7e2cc4d3b3b1ac5fe81ddf21959eb, patched in 9eac1904d3364254d622bf2c771c4f85cd435fc2, backported to stable in 788d0824269bef539fe31a785b1517882eafed93.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.6, < 5.10.162 |
| Netapp | H300S | - |
| Netapp | H410C | - |
| Netapp | H410S | - |
| Netapp | H500S | - |
| Netapp | H700S | - |
Related Weaknesses (CWE)
References
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=788dPatch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9ePatch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5Patch
- https://kernel.dance/788d0824269bef539fe31a785b1517882eafed93Patch
- https://kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2Patch
- https://security.netapp.com/advisory/ntap-20230731-0006/Third Party AdvisoryVDB Entry
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=788dPatch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=9ePatch
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b5Patch
- https://kernel.dance/788d0824269bef539fe31a785b1517882eafed93Patch
- https://kernel.dance/9eac1904d3364254d622bf2c771c4f85cd435fc2Patch
- https://security.netapp.com/advisory/ntap-20230731-0006/Third Party AdvisoryVDB Entry
FAQ
What is CVE-2023-1295?
CVE-2023-1295 is a vulnerability with a CVSS score of 7.8 (HIGH). A time-of-check to time-of-use issue exists in io_uring subsystem's IORING_OP_CLOSE operation in the Linux kernel's versions 5.6 - 5.11 (inclusive), which allows a local user to elevate their privileg...
How severe is CVE-2023-1295?
CVE-2023-1295 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-2023-1295?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel, Netapp H300S, Netapp H410C, Netapp H410S, Netapp H500S.