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-starfiveUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-raspiUpgrade linux-image-6.5.0-1015-azureUpgrade linux-image-6.5.0-1011-raspiUpgrade linux-image-laptop-23.10Upgrade linux-image-azure-fdeUpgrade linux-image-azureUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-6.5.0-1010-laptopUpgrade linux-image-6.5.0-1015-azure-fdeUpgrade linux-image-oem-22.04dUpgrade linux-image-6.5.0-1014-awsUpgrade linux-image-6.5.0-1016-oracleUpgrade linux-image-generic-64kUpgrade linux-image-raspi-nolpaeUpgrade linux-image-6.5.0-21-lowlatencyUpgrade linux-image-genericUpgrade linux-image-6.5.0-1014-gcpUpgrade linux-image-kvmUpgrade linux-image-6.5.0-21-generic-64kUpgrade linux-image-virtualUpgrade linux-image-gcpUpgrade linux-image-6.5.0-21-genericUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-awsUpgrade linux-image-lowlatency-64kUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.5.0-1008-starfiveUpgrade linux-image-lowlatencyUpgrade linux-image-6.5.0-1015-oemUpgrade linux-image-oracleUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.5.0-21-lowlatency-64k | Feb 26, 2024 | Jan 16, 2024 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub