In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadlock in f2fs_balance_fs() When the f2fs filesystem space… (CVE-2026-68460)
A potential deadlock vulnerability in the Linux kernel's f2fs filesystem was resolved. The issue occurs when the f2fs filesystem space is nearly exhausted, leading to tasks being blocked for extended periods (over 120 seconds), causing system hangs or degraded performance. The deadlock arises in the f2fs_balance_fs() function during filesystem operations. This vulnerability has been fixed in the Linux kernel.
AI Analysis
Technical Summary
The vulnerability in the Linux kernel's f2fs filesystem involves a potential deadlock in the f2fs_balance_fs() function when the filesystem space is nearly exhausted. This condition causes multiple kernel tasks to become blocked indefinitely, as shown by kernel stack traces indicating tasks stuck in scheduling and writeback operations. The deadlock impacts filesystem write operations and garbage collection processes. The issue has been resolved by a fix in the kernel source code.
Potential Impact
When the f2fs filesystem space is nearly full, kernel tasks performing write and garbage collection operations can become deadlocked, leading to system hangs or severe performance degradation. This affects system stability and availability but does not indicate direct data corruption or privilege escalation based on the provided data.
Mitigation Recommendations
A fix for this deadlock vulnerability has been implemented in the Linux kernel. Users should update to a kernel version that includes this fix. Since no specific patch version is provided, consult the official Linux kernel advisories or distribution updates for the corrected kernel release. No additional mitigation is indicated.
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential deadlock in f2fs_balance_fs() When the f2fs filesystem space… (CVE-2026-68460)
Description
A potential deadlock vulnerability in the Linux kernel's f2fs filesystem was resolved. The issue occurs when the f2fs filesystem space is nearly exhausted, leading to tasks being blocked for extended periods (over 120 seconds), causing system hangs or degraded performance. The deadlock arises in the f2fs_balance_fs() function during filesystem operations. This vulnerability has been fixed in the Linux kernel.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The vulnerability in the Linux kernel's f2fs filesystem involves a potential deadlock in the f2fs_balance_fs() function when the filesystem space is nearly exhausted. This condition causes multiple kernel tasks to become blocked indefinitely, as shown by kernel stack traces indicating tasks stuck in scheduling and writeback operations. The deadlock impacts filesystem write operations and garbage collection processes. The issue has been resolved by a fix in the kernel source code.
Potential Impact
When the f2fs filesystem space is nearly full, kernel tasks performing write and garbage collection operations can become deadlocked, leading to system hangs or severe performance degradation. This affects system stability and availability but does not indicate direct data corruption or privilege escalation based on the provided data.
Mitigation Recommendations
A fix for this deadlock vulnerability has been implemented in the Linux kernel. Users should update to a kernel version that includes this fix. Since no specific patch version is provided, consult the official Linux kernel advisories or distribution updates for the corrected kernel release. No additional mitigation is indicated.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-55pq-fq6f-gfm8
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-68460"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a808b79bf8831d539502dfa
Added to database: 08/15/2026, 15:53:29 UTC
Last enriched: 08/15/2026, 17:13:10 UTC
Last updated: 08/15/2026, 17:13:10 UTC
Views: 5
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.