Description
In the Linux kernel, the following vulnerability has been resolved: rxrpc: reject undecryptable rxkad response tickets rxkad_decrypt_ticket() decrypts the RXKAD response ticket and then parses the buffer as plaintext without checking whether crypto_skcipher_decrypt() succeeded. A malformed RESPONSE can therefore use a non-block-aligned ticket length, make the decrypt operation fail, and still drive the ticket parser with attacker-controlled bytes. Check the decrypt result and abort the connection with RXKADBADTICKET when ticket decryption fails.
Product status
17926a79320afa9b95df6b977b40cca6d8713cea (git) before 252157d939d179b5d767cb860ff8fa7f8723b67a
17926a79320afa9b95df6b977b40cca6d8713cea (git) before a75b3b361dd481d942c5f259a82d59718a41092c
17926a79320afa9b95df6b977b40cca6d8713cea (git) before b3a808cd0790b5075aaa2bc3588edf02cd71d352
17926a79320afa9b95df6b977b40cca6d8713cea (git) before 47073aab8a3a5a7b41c9bd37d2a3dcbeeccd6c8a
17926a79320afa9b95df6b977b40cca6d8713cea (git) before a149dcae23309df9de1c3b6b5d468610ef5ab7de
17926a79320afa9b95df6b977b40cca6d8713cea (git) before 22f6258e7b31dba9bf88dce4e3ee7f0f20072e60
17926a79320afa9b95df6b977b40cca6d8713cea (git) before 58fcd1b156152613ba00a064a129fb69507ddd7d
17926a79320afa9b95df6b977b40cca6d8713cea (git) before fe4447cd95623b1cfacc15f280aab73a6d7340b2
2.6.22
Any version before 2.6.22
5.10.258 (semver)
5.15.209 (semver)
6.1.175 (semver)
6.6.135 (semver)
6.12.82 (semver)
6.18.23 (semver)
6.19.13 (semver)
7.0 (original_commit_for_fix)
References
git.kernel.org/...c/252157d939d179b5d767cb860ff8fa7f8723b67a
git.kernel.org/...c/a75b3b361dd481d942c5f259a82d59718a41092c
git.kernel.org/...c/b3a808cd0790b5075aaa2bc3588edf02cd71d352
git.kernel.org/...c/47073aab8a3a5a7b41c9bd37d2a3dcbeeccd6c8a
git.kernel.org/...c/a149dcae23309df9de1c3b6b5d468610ef5ab7de
git.kernel.org/...c/22f6258e7b31dba9bf88dce4e3ee7f0f20072e60
git.kernel.org/...c/58fcd1b156152613ba00a064a129fb69507ddd7d
git.kernel.org/...c/fe4447cd95623b1cfacc15f280aab73a6d7340b2