Answer in brief
CVE-2026-72030 records a Unknown severity vulnerability in ata: libata-core: Reject an invalid concurrent positioning ranges count. 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 | >=fe22e1c2f705676a705d821301fc52eecc2fe055 <4cb4b4dd8853c4ab3057efe238b2c34277772176 || >=fe22e1c2f705676a705d821301fc52eecc2fe055 <b1607f0ee5f5e53e0aa66f41794085b7cc98f5d1 || >=fe22e1c2f705676a705d821301fc52eecc2fe055 <4c1e8ccd8655ee8cf1bcb1b7dfee72c9fa941fd4 || >=fe22e1c2f705676a705d821301fc52eecc2fe055 <d43efd1b5d976203e6f1ef26f67e8b1a7bc2751b || >=fe22e1c2f705676a705d821301fc52eecc2fe055 <533a0b940f901c15e5cbbd4b5d66e871c209e8ce | 4cb4b4dd8853c4ab3057efe238b2c34277772176, b1607f0ee5f5e53e0aa66f41794085b7cc98f5d1, 4c1e8ccd8655ee8cf1bcb1b7dfee72c9fa941fd4, d43efd1b5d976203e6f1ef26f67e8b1a7bc2751b, 533a0b940f901c15e5cbbd4b5d66e871c209e8ce |
| Linux/Linuxgeneric | 5.16 | Not reported |
Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 15, 2026
In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Reject an invalid concurrent positioning ranges count ata_dev_config_cpr() takes the number of range descriptors from buf[0] of the concurrent positioning ranges log (up to 255), which the device reports independently of the log size in the GPL directory. The count is then walked at a fixed 32-byte stride in two places with no bound: the log read here, and the INQUIRY VPD page B9h emitter, which writes one descriptor per range into the fixed 2048-byte ata_scsi_rbuf. A device reporting a count larger than its own log overflows the read buffer (up to 7704 bytes past a 512-byte slab), and a count above 62 overflows the response buffer on the emit side. Bound the count once, on probe, against both the log the device returned and the number of descriptors the VPD B9h response buffer can hold (ATA_DEV_MAX_CPR, derived from the rbuf size). Reject an out-of-range count with a warning; this keeps the emitter in bounds with no separate change there.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-72030 records a Unknown severity vulnerability in ata: libata-core: Reject an invalid concurrent positioning ranges count. 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 | >=fe22e1c2f705676a705d821301fc52eecc2fe055 <4cb4b4dd8853c4ab3057efe238b2c34277772176 || >=fe22e1c2f705676a705d821301fc52eecc2fe055 <b1607f0ee5f5e53e0aa66f41794085b7cc98f5d1 || >=fe22e1c2f705676a705d821301fc52eecc2fe055 <4c1e8ccd8655ee8cf1bcb1b7dfee72c9fa941fd4 || >=fe22e1c2f705676a705d821301fc52eecc2fe055 <d43efd1b5d976203e6f1ef26f67e8b1a7bc2751b || >=fe22e1c2f705676a705d821301fc52eecc2fe055 <533a0b940f901c15e5cbbd4b5d66e871c209e8ce | 4cb4b4dd8853c4ab3057efe238b2c34277772176, b1607f0ee5f5e53e0aa66f41794085b7cc98f5d1, 4c1e8ccd8655ee8cf1bcb1b7dfee72c9fa941fd4, d43efd1b5d976203e6f1ef26f67e8b1a7bc2751b, 533a0b940f901c15e5cbbd4b5d66e871c209e8ce |
| Linux/Linuxgeneric | 5.16 | Not reported |
Published upstream
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 15, 2026
In the Linux kernel, the following vulnerability has been resolved: ata: libata-core: Reject an invalid concurrent positioning ranges count ata_dev_config_cpr() takes the number of range descriptors from buf[0] of the concurrent positioning ranges log (up to 255), which the device reports independently of the log size in the GPL directory. The count is then walked at a fixed 32-byte stride in two places with no bound: the log read here, and the INQUIRY VPD page B9h emitter, which writes one descriptor per range into the fixed 2048-byte ata_scsi_rbuf. A device reporting a count larger than its own log overflows the read buffer (up to 7704 bytes past a 512-byte slab), and a count above 62 overflows the response buffer on the emit side. Bound the count once, on probe, against both the log the device returned and the number of descriptors the VPD B9h response buffer can hold (ATA_DEV_MAX_CPR, derived from the rbuf size). Reject an out-of-range count with a warning; this keeps the emitter in bounds with no separate change there.
Quoted source text, attributed separately from HOL analysis.