CVE-2026-46012 PUBLISHED

rxrpc: Fix memory leaks in rxkad_verify_response()

Assigner: Linux
Reserved: 13.05.2026 Published: 27.05.2026 Updated: 27.05.2026

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.

Product Status

Vendor Linux
Product Linux
Versions Default: unaffected
  • affected from ec832bd06d6fdf08b0455ab7c2a7a9104e029638 to c4b8f32e73eafd4a5076be890c7c8506ec04567c (excl.)
  • affected from ec832bd06d6fdf08b0455ab7c2a7a9104e029638 to 852b9d64cea421336579b2de3d1338dfa677e2dd (excl.)
  • affected from ec832bd06d6fdf08b0455ab7c2a7a9104e029638 to 861b9a0a1823bf064a7b810d29502a9ef043f40f (excl.)
  • affected from ec832bd06d6fdf08b0455ab7c2a7a9104e029638 to c91f33fb8356dedc82bc56ce210f1a5dbee62a52 (excl.)
  • affected from ec832bd06d6fdf08b0455ab7c2a7a9104e029638 to 34f61a07e0cdefaecd3ec03bb5fb22215643678f (excl.)
Vendor Linux
Product Linux
Versions Default: affected
  • Version 5.11 is affected
  • unaffected from 0 to 5.11 (excl.)
  • unaffected from 6.6.140 to 6.6.* (incl.)
  • unaffected from 6.12.86 to 6.12.* (incl.)
  • unaffected from 6.18.27 to 6.18.* (incl.)
  • unaffected from 7.0.4 to 7.0.* (incl.)
  • unaffected from 7.1-rc1 to * (incl.)

References