CVE-2026-46012

Summary

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

rxrpc: Fix memory leaks in rxkad_verify_response()

Fix rxkad_verify_response() to free the ticket and the server key under all circumstances by initialising the ticket pointer to NULL and then making all paths through the function after the first allocation has been done go through a single common epilogue that just releases everything - where all the releases skip on a NULL pointer.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxec832bd06d6fdf08b0455ab7c2a7a9104e029638 < c4b8f32e73eafd4a5076be890c7c8506ec04567caffected
LinuxLinuxec832bd06d6fdf08b0455ab7c2a7a9104e029638 < 852b9d64cea421336579b2de3d1338dfa677e2ddaffected
LinuxLinuxec832bd06d6fdf08b0455ab7c2a7a9104e029638 < 861b9a0a1823bf064a7b810d29502a9ef043f40faffected
LinuxLinuxec832bd06d6fdf08b0455ab7c2a7a9104e029638 < c91f33fb8356dedc82bc56ce210f1a5dbee62a52affected
LinuxLinuxec832bd06d6fdf08b0455ab7c2a7a9104e029638 < 34f61a07e0cdefaecd3ec03bb5fb22215643678faffected
LinuxLinux5.11affected
LinuxLinux0 < 5.11unaffected
LinuxLinux6.6.140 <= 6.6.*unaffected
LinuxLinux6.12.86 <= 6.12.*unaffected
LinuxLinux6.18.27 <= 6.18.*unaffected
LinuxLinux7.0.4 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References