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SUSE:SLE-12:Update
libnl3
libnl3-fix-elevation-of-privilege-vulnerability...
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File libnl3-fix-elevation-of-privilege-vulnerability.patch of Package libnl3
diff -Nurp libnl-3.2.23-orig/lib/attr.c libnl-3.2.23/lib/attr.c --- libnl-3.2.23-orig/lib/attr.c 2013-04-28 13:20:03.000000000 +0200 +++ libnl-3.2.23/lib/attr.c 2022-08-05 09:29:49.679642589 +0200 @@ -462,6 +462,9 @@ struct nlattr *nla_reserve(struct nl_msg struct nlattr *nla; int tlen; + if (attrlen < 0) + return NULL; + tlen = NLMSG_ALIGN(msg->nm_nlh->nlmsg_len) + nla_total_size(attrlen); if (tlen > msg->nm_size) @@ -503,8 +506,12 @@ int nla_put(struct nl_msg *msg, int attr struct nlattr *nla; nla = nla_reserve(msg, attrtype, datalen); - if (!nla) + if (!nla) { + if (datalen < 0) + return -NLE_INVAL; + return -NLE_NOMEM; + } if (datalen > 0) { memcpy(nla_data(nla), data, datalen);
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