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| author | Chuck Lever <chuck.lever@oracle.com> | 2023-01-15 20:20:48 +0300 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2023-02-20 17:20:34 +0300 |
| commit | 01c4e326327a635e1fac75b1aedd2c2c1e8123b5 (patch) | |
| tree | 122a52c53273eba2c2d5e4e954c0e1988c6ab493 /net | |
| parent | 7f675ca7757bfeb70e19d187dc3be44deb836da8 (diff) | |
| download | linux-01c4e326327a635e1fac75b1aedd2c2c1e8123b5.tar.xz | |
SUNRPC: Obscure Kerberos session key
ctx->Ksess is never used after import has completed. Obscure it
immediately so it cannot be re-used or copied.
Tested-by: Scott Mayhew <smayhew@redhat.com>
Reviewed-by: Simo Sorce <simo@redhat.com>
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'net')
| -rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_mech.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_mech.c b/net/sunrpc/auth_gss/gss_krb5_mech.c index 76a0d83fe500..b982c9d495f2 100644 --- a/net/sunrpc/auth_gss/gss_krb5_mech.c +++ b/net/sunrpc/auth_gss/gss_krb5_mech.c @@ -550,6 +550,7 @@ gss_import_sec_context_kerberos(const void *p, size_t len, ret = gss_import_v1_context(p, end, ctx); else ret = gss_import_v2_context(p, end, ctx, gfp_mask); + memzero_explicit(&ctx->Ksess, sizeof(ctx->Ksess)); if (ret) { kfree(ctx); return ret; |