CVE-2025-39937
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer
In the Linux kernel, the following vulnerability has been resolved: net: rfkill: gpio: Fix crash due to dereferencering uninitialized pointer Since commit 7d5e9737efda ("net: rfkill: gpio: get the name and type from device property") rfkill_find_type() gets called with the possibly uninitialized "const char *type_name;" local variable. On x86 systems when rfkill-gpio binds to a "BCM4752" or "LNV4752" acpi_device, the rfkill->type is set based on the ACPI acpi_device_id: rfkill->type = (unsigned)id->driver_data; and there is no "type" property so device_property_read_string() will fail and leave type_name uninitialized, leading to a potential crash. rfkill_find_type() does accept a NULL pointer, fix the potential crash by initializing type_name to NULL. Note likely sofar this has not been caught because: 1. Not many x86 machines actually have a "BCM4752"/"LNV4752" acpi_device 2. The stack happened to contain NULL where type_name is stored
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 7d5e9737efda16535e5b54bd627ef4881d11d31f | affected | git | 184f608a68f96794e8fe58cd5535014d53622cde | Unavailable | None listed |
| 7d5e9737efda16535e5b54bd627ef4881d11d31f | affected | git | 8793e7a8e1b60131a825457174ed6398111daeb7 | Unavailable | None listed |
| 7d5e9737efda16535e5b54bd627ef4881d11d31f | affected | git | ada2282259243387e6b6e89239aeb4897e62f051 | Unavailable | None listed |
| 7d5e9737efda16535e5b54bd627ef4881d11d31f | affected | git | 47ade5f9d70b23a119ec20b1c6504864b2543a79 | Unavailable | None listed |
| 7d5e9737efda16535e5b54bd627ef4881d11d31f | affected | git | 689aee35ce671aab752f159e5c8e66d7685e6887 | Unavailable | None listed |
| 7d5e9737efda16535e5b54bd627ef4881d11d31f | affected | git | 21ba85d9d508422ca9e6698463ff9357c928c22d | Unavailable | None listed |
| 7d5e9737efda16535e5b54bd627ef4881d11d31f | affected | git | 21a39b958b4bcf44f7674bfbbe1bbb8cad0d842d | Unavailable | None listed |
| 7d5e9737efda16535e5b54bd627ef4881d11d31f | affected | git | b6f56a44e4c1014b08859dcf04ed246500e310e5 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 4.6 | Unavailable | None listed |
| 5.4.300 | unaffected | semver | Unavailable | 5.4.* | None listed |
| 5.10.245 | unaffected | semver | Unavailable | 5.10.* | None listed |
| 5.15.194 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.154 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.108 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.49 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.16.9 | unaffected | semver | Unavailable | 6.16.* | None listed |
| 6.17 | unaffected | original_commit_for_fix | Unavailable | * | None listed |