In the Linux kernel, the following vulnerability has been resolved:
debugfs: fix wait/cancellation handling during remove
Ben Greear further reports deadlocks during concurrent debugfs remove while files are being accessed, even though the code in question now uses debugfs cancellations. Turns out that despite all the review on the locking, we missed completely that the logic is wrong: if the refcount hits zero we can finish (and need not wait for the completion), but if it doesn't we have to trigger all the cancellations. As written, we can _never_ get into the loop triggering the cancellations. Fix this, and explain it better while at it.
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 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 17, 2024 |
| Ubuntu | — | Upgrade linux-image-6.8.0-35-genericUpgrade linux-image-oracleUpgrade linux-image-6.8.0-1006-ibmUpgrade linux-image-6.8.0-1006-oracle-64kUpgrade linux-image-generic-lpaeUpgrade linux-image-lowlatencyUpgrade linux-image-azureUpgrade linux-image-gkeUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-1008-azureUpgrade linux-image-6.8.0-1008-gcpUpgrade linux-image-raspiUpgrade linux-image-azure-fdeUpgrade linux-image-6.8.0-35-lowlatencyUpgrade linux-image-genericUpgrade linux-image-6.8.0-35-generic-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1005-raspiUpgrade linux-image-oracle-64kUpgrade linux-image-generic-64kUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-gcpUpgrade linux-image-6.8.0-35-lowlatency-64kUpgrade linux-image-oem-24.04Upgrade linux-image-ibmUpgrade linux-image-oem-24.04aUpgrade linux-image-6.8.0-1009-awsUpgrade linux-image-6.8.0-1006-oracleUpgrade linux-image-virtualUpgrade linux-image-awsUpgrade linux-image-ibm-classicUpgrade linux-image-kvmUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1004-gkeUpgrade linux-image-6.8.0-1008-azure-fdeUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-1006-oem | Jul 1, 2024 | May 17, 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