CVE-2022-50544

Summary

In the Linux kernel, the following vulnerability has been resolved:

usb: host: xhci: Fix potential memory leak in xhci_alloc_stream_info()

xhci_alloc_stream_info() allocates stream context array for stream_info ->stream_ctx_array with xhci_alloc_stream_ctx(). When some error occurs, stream_info->stream_ctx_array is not released, which will lead to a memory leak.

We can fix it by releasing the stream_info->stream_ctx_array with xhci_free_stream_ctx() on the error path to avoid the potential memory leak.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < 7fc6bab3413e6a42bb1264ff7c9149808c93a4c7affected
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < e702de2f5c893bf2cdb0152191f99a6ad1411823affected
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < ddab9fe76296840aad686c66888a9c1dfdbff5ffaffected
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < 9fa81cbd2dd300aa8fe9bac70e068b9a11cbb144affected
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < 91271a3e772e180bbb8afb114c72fd294a02f93daffected
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < fcd594da0b5955119d9707e4e0a8d0fb1c969101affected
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < a40ad475236022f3432880e3091c380e46e71a71affected
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < 782c873f8e7686f5b3c47e8b099f7e08c3dd1fdcaffected
LinuxLinux8df75f42f8e67e2851cdcf6da91640fb881defd1 < 7e271f42a5cc3768cd2622b929ba66859ae21f97affected
LinuxLinux2.6.35affected
LinuxLinux0 < 2.6.35unaffected
LinuxLinux4.9.331 <= 4.9.*unaffected
LinuxLinux4.14.296 <= 4.14.*unaffected
LinuxLinux4.19.262 <= 4.19.*unaffected
LinuxLinux5.4.220 <= 5.4.*unaffected
LinuxLinux5.10.150 <= 5.10.*unaffected
LinuxLinux5.15.75 <= 5.15.*unaffected
LinuxLinux5.19.17 <= 5.19.*unaffected
LinuxLinux6.0.3 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References