Answer in brief
CVE-2026-52918 records a High severity (CVSS 8.8) vulnerability in Bluetooth: serialize accept_q access. 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.
Answer in brief
CVE-2026-52918 records a High severity (CVSS 8.8) vulnerability in Bluetooth: serialize accept_q access. 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.
CVSS is 8.8. 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 | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d9ce4de05df2385c19e2c7d12f529144e1a44af1 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <41c8c1c7923e86e0eb59cfb4279349112756a336 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <4ec17782fd186f901a7329605d11048b085b945a || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <be43e6b4043113c3b3cf887c3c8350f67140274c || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <85f8674cae82053f1e6bab295f6a8422cca14db5 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8b4c412e001b0c670eb937beab491af974da55b3 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <a218bf69eb51fefe59a3976fa8925261141f681c || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <e83f5e24da741fa9405aeeff00b08c5ee7c37b88 | d9ce4de05df2385c19e2c7d12f529144e1a44af1, 41c8c1c7923e86e0eb59cfb4279349112756a336, 4ec17782fd186f901a7329605d11048b085b945a, be43e6b4043113c3b3cf887c3c8350f67140274c, 85f8674cae82053f1e6bab295f6a8422cca14db5, 8b4c412e001b0c670eb937beab491af974da55b3, a218bf69eb51fefe59a3976fa8925261141f681c, e83f5e24da741fa9405aeeff00b08c5ee7c37b88 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Jun 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 24, 2026
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize accept_q access bt_sock_poll() walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since the initial Bluetooth import. Protect accept_q with a dedicated lock for queue updates and polling. Also rework bt_accept_dequeue() to take temporary child references under the queue lock before dropping it and locking the child socket.
Quoted source text, attributed separately from HOL analysis.
CVSS is 8.8. 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 | >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d9ce4de05df2385c19e2c7d12f529144e1a44af1 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <41c8c1c7923e86e0eb59cfb4279349112756a336 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <4ec17782fd186f901a7329605d11048b085b945a || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <be43e6b4043113c3b3cf887c3c8350f67140274c || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <85f8674cae82053f1e6bab295f6a8422cca14db5 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <8b4c412e001b0c670eb937beab491af974da55b3 || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <a218bf69eb51fefe59a3976fa8925261141f681c || >=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <e83f5e24da741fa9405aeeff00b08c5ee7c37b88 | d9ce4de05df2385c19e2c7d12f529144e1a44af1, 41c8c1c7923e86e0eb59cfb4279349112756a336, 4ec17782fd186f901a7329605d11048b085b945a, be43e6b4043113c3b3cf887c3c8350f67140274c, 85f8674cae82053f1e6bab295f6a8422cca14db5, 8b4c412e001b0c670eb937beab491af974da55b3, a218bf69eb51fefe59a3976fa8925261141f681c, e83f5e24da741fa9405aeeff00b08c5ee7c37b88 |
| Linux/Linuxgeneric | 2.6.12 | Not reported |
Published upstream
Jun 24, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 24, 2026
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: serialize accept_q access bt_sock_poll() walks the accept queue without synchronization, while child teardown can unlink the same socket and drop its last reference. The unsynchronized accept queue walk has existed since the initial Bluetooth import. Protect accept_q with a dedicated lock for queue updates and polling. Also rework bt_accept_dequeue() to take temporary child references under the queue lock before dropping it and locking the child socket.
Quoted source text, attributed separately from HOL analysis.