CVE-2022-50545
Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
07/10/2025
Last modified:
08/10/2025
Description
In the Linux kernel, the following vulnerability has been resolved:<br />
<br />
r6040: Fix kmemleak in probe and remove<br />
<br />
There is a memory leaks reported by kmemleak:<br />
<br />
unreferenced object 0xffff888116111000 (size 2048):<br />
comm "modprobe", pid 817, jiffies 4294759745 (age 76.502s)<br />
hex dump (first 32 bytes):<br />
00 c4 0a 04 81 88 ff ff 08 10 11 16 81 88 ff ff ................<br />
08 10 11 16 81 88 ff ff 00 00 00 00 00 00 00 00 ................<br />
backtrace:<br />
[] kmalloc_trace+0x22/0x60<br />
[] phy_device_create+0x4e/0x90<br />
[] get_phy_device+0xd2/0x220<br />
[] mdiobus_scan+0xa4/0x2e0<br />
[] __mdiobus_register+0x482/0x8b0<br />
[] r6040_init_one+0x714/0xd2c [r6040]<br />
...<br />
<br />
The problem occurs in probe process as follows:<br />
r6040_init_one:<br />
mdiobus_register<br />
mdiobus_scan
Impact
References to Advisories, Solutions, and Tools
- https://git.kernel.org/stable/c/2ce242e1b9ad31c1f68496b3548e407a8cb2c07d
- https://git.kernel.org/stable/c/3d5f83a62e8235d235534b3dc6f197d8a822c269
- https://git.kernel.org/stable/c/5944c25c67de54e0aa53623e1e1af3bf8b16ed44
- https://git.kernel.org/stable/c/7e43039a49c2da45edc1d9d7c9ede4003ab45a5f
- https://git.kernel.org/stable/c/9b5b50329e2e966831a7237dd6949e7b5362a49a
- https://git.kernel.org/stable/c/a04707f4596952049da05756c27398c34d9a1d36
- https://git.kernel.org/stable/c/ad2c8f25457ca9a81e7e958148cbc26600ce3071
- https://git.kernel.org/stable/c/b0a61359026b57a287a48fbb4ba1d097023eca3e
- https://git.kernel.org/stable/c/b4448816e6a565e08236a6009c6bf48c6836cdfd



