The Samba-Bugzilla – Attachment 18082 Details for
Bug 15464
libnss_winbind causes memory corruption since samba-4.18, impacts sendmail, zabbix, potentially more
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[patch]
Potential fix
b15464-fix-libnss_winbind-pthread_key_delete-after-pthread_key_delete.patch (text/plain), 396 bytes, created by
Krzysztof Olędzki
on 2023-09-07 07:35:55 UTC
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Description:
Potential fix
Filename:
MIME Type:
Creator:
Krzysztof Olędzki
Created:
2023-09-07 07:35:55 UTC
Size:
396 bytes
patch
obsolete
>--- 1/nsswitch/wb_common.c 2023-09-02 13:38:34.506064173 -0700 >+++ 2/nsswitch/wb_common.c 2023-09-06 23:43:49.393985656 -0700 >@@ -66,6 +66,12 @@ > struct winbindd_context *ctx = NULL; > int ret; > >+ if (!wb_global_ctx.initialized) { >+ return; >+ } >+ >+ wb_global_ctx.initialized = false; >+ > ctx = (struct winbindd_context *)pthread_getspecific(wb_global_ctx.key); > if (ctx == NULL) { > return;
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