Answer in brief
CVE-2025-38262 records a High severity (CVSS 7.8) vulnerability in tty: serial: uartlite: register uart driver in init. 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 7.8. 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.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* | Not reported | Not reported |
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=238b8721a554a33a451a3f13bdb5be8fe5cfc927 <5015eed450005bab6e5cb6810f7a62eab0434fc4 || >=238b8721a554a33a451a3f13bdb5be8fe5cfc927 <9c905fdbba68a6d73d39a6b7de9b9f0d6c46df87 || >=238b8721a554a33a451a3f13bdb5be8fe5cfc927 <6db06aaea07bb7c8e33a425cf7b98bf29ee6056e || >=238b8721a554a33a451a3f13bdb5be8fe5cfc927 <8e958d10dd0ce5ae674cce460db5c9ca3f25243b || >=238b8721a554a33a451a3f13bdb5be8fe5cfc927 <685d29f2c5057b32c7b1b46f2a7d303b926c8f72 || >=238b8721a554a33a451a3f13bdb5be8fe5cfc927 <f5e4229d94792b40e750f30c92bcf7a3107c72ef || >=238b8721a554a33a451a3f13bdb5be8fe5cfc927 <6bd697b5fc39fd24e2aa418c7b7d14469f550a93 | 5015eed450005bab6e5cb6810f7a62eab0434fc4, 9c905fdbba68a6d73d39a6b7de9b9f0d6c46df87, 6db06aaea07bb7c8e33a425cf7b98bf29ee6056e, 8e958d10dd0ce5ae674cce460db5c9ca3f25243b, 685d29f2c5057b32c7b1b46f2a7d303b926c8f72, f5e4229d94792b40e750f30c92bcf7a3107c72ef, 6bd697b5fc39fd24e2aa418c7b7d14469f550a93 |
| Linux/Linuxgeneric | 2.6.20 | Not reported |
Published upstream
Jul 9, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Oct 15, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 5, 2026
In the Linux kernel, the following vulnerability has been resolved: tty: serial: uartlite: register uart driver in init When two instances of uart devices are probing, a concurrency race can occur. If one thread calls uart_register_driver function, which first allocates and assigns memory to 'uart_state' member of uart_driver structure, the other instance can bypass uart driver registration and call ulite_assign. This calls uart_add_one_port, which expects the uart driver to be fully initialized. This leads to a kernel panic due to a null pointer dereference: [ 8.143581] BUG: kernel NULL pointer dereference, address: 00000000000002b8 [ 8.156982] #PF: supervisor write access in kernel mode [ 8.156984] #PF: error_code(0x0002) - not-present page [ 8.156986] PGD 0 P4D 0 ... [ 8.180668] RIP: 0010:mutex_lock+0x19/0x30 [ 8.188624] Call Trace: [ 8.188629] ? __die_body.cold+0x1a/0x1f [ 8.195260] ? page_fault_oops+0x15c/0x290 [ 8.209183] ? __irq_resolve_mapping+0x47/0x80 [ 8.209187] ? exc_page_fault+0x64/0x140 [ 8.209190] ? asm_exc_page_fault+0x22/0x30 [ 8.209196] ? mutex_lock+0x19/0x30 [ 8.223116] uart_add_one_port+0x60/0x440 [ 8.223122] ? proc_tty_register_driver+0x43/0x50 [ 8.223126] ? tty_register_driver+0x1ca/0x1e0 [ 8.246250] ulite_probe+0x357/0x4b0 [uartlite] To prevent it, move uart driver registration in to init function. This will ensure that uart_driver is always registered when probe function is called.
Quoted source text, attributed separately from HOL analysis.