Answer in brief
CVE-2026-68422 records a Unknown severity vulnerability in btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <b3d39b03799600c76c33486e2d29b73a771023db || >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <72f673d1c1deb819554d3e7e154f6d84301eb735 || >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <60a23d4ea169e27403f3bb023bb98036797c0206 || >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <7591d1727067d6063247901ad25c4bdc4e5695c4 || >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <ce6050bafb4e33377dc17fcc357736bfc351180c | b3d39b03799600c76c33486e2d29b73a771023db, 72f673d1c1deb819554d3e7e154f6d84301eb735, 60a23d4ea169e27403f3bb023bb98036797c0206, 7591d1727067d6063247901ad25c4bdc4e5695c4, ce6050bafb4e33377dc17fcc357736bfc351180c |
| Linux/Linuxgeneric | 5.13 | Not reported |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots() If we have an unexpected reloc_root for our root, we jump to the out label but never drop the reference we obtained for root, resulting in a leak. Add a missing btrfs_put_root() call.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-68422 records a Unknown severity vulnerability in btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <b3d39b03799600c76c33486e2d29b73a771023db || >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <72f673d1c1deb819554d3e7e154f6d84301eb735 || >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <60a23d4ea169e27403f3bb023bb98036797c0206 || >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <7591d1727067d6063247901ad25c4bdc4e5695c4 || >=24213fa46c7080c31d79aa2e3e2f0d9480cab700 <ce6050bafb4e33377dc17fcc357736bfc351180c | b3d39b03799600c76c33486e2d29b73a771023db, 72f673d1c1deb819554d3e7e154f6d84301eb735, 60a23d4ea169e27403f3bb023bb98036797c0206, 7591d1727067d6063247901ad25c4bdc4e5695c4, ce6050bafb4e33377dc17fcc357736bfc351180c |
| Linux/Linuxgeneric | 5.13 | Not reported |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix root leak if its reloc root is unexpected in merge_reloc_roots() If we have an unexpected reloc_root for our root, we jump to the out label but never drop the reference we obtained for root, resulting in a leak. Add a missing btrfs_put_root() call.
Quoted source text, attributed separately from HOL analysis.