A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Ubuntu | — | Upgrade linux-image-raspiUpgrade linux-image-laptop-23.10Upgrade linux-image-azure-fdeUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.5.0-1016-oracleUpgrade linux-image-6.5.0-1015-azureUpgrade linux-image-6.5.0-1015-azure-fdeUpgrade linux-image-oem-22.04dUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-generic-64kUpgrade linux-image-6.5.0-1010-laptopUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.5.0-1011-raspiUpgrade linux-image-starfiveUpgrade linux-image-azureUpgrade linux-image-6.5.0-1014-awsUpgrade linux-image-6.5.0-21-generic-64kUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-virtualUpgrade linux-image-6.5.0-21-genericUpgrade linux-image-gcpUpgrade linux-image-6.5.0-21-lowlatencyUpgrade linux-image-6.5.0-1015-oemUpgrade linux-image-kvmUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.5.0-1014-gcpUpgrade linux-image-genericUpgrade linux-image-6.5.0-1008-starfiveUpgrade linux-image-6.5.0-21-lowlatency-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-awsUpgrade linux-image-oracleUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-generic-lpae | Feb 26, 2024 | Jan 16, 2024 |
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