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CVE-2014-0100 net: inet frag race condition use-after-free (rhbz 1072026 1070618)

This commit is contained in:
Josh Boyer 2014-03-03 13:23:11 -05:00
parent ec9e0da519
commit db766ed90f
2 changed files with 26 additions and 0 deletions
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7
kernel.spec
View File

@ -785,6 +785,9 @@ Patch25029: audit-don-t-generate-loginuid-log-when-audit-disable.patch
#CVE-2014-0101 rhbz 1072029 1070705
Patch25030: net-net-sctp-fix-sctp_sf_do_5_1D_ce-to-verify-if-we-peer-is-AUTH-capable.patch
#CVE-2014-0100 rhbz 1072026 1070618
Patch25031: net-fix-for-a-race-condition-in-the-inet-frag-code.patch
# END OF PATCH DEFINITIONS
%endif
@ -1516,6 +1519,9 @@ ApplyPatch audit-don-t-generate-loginuid-log-when-audit-disable.patch
#CVE-2014-0101 rhbz 1072029 1070705
ApplyPatch net-net-sctp-fix-sctp_sf_do_5_1D_ce-to-verify-if-we-peer-is-AUTH-capable.patch
#CVE-2014-0100 rhbz 1072026 1070618
ApplyPatch net-fix-for-a-race-condition-in-the-inet-frag-code.patch
# END OF PATCH APPLICATIONS
%endif
@ -2329,6 +2335,7 @@ fi
%changelog
* Mon Mar 03 2014 Josh Boyer <jwboyer@fedoraproject.org>
- CVE-2014-0100 net: inet frag race condition use-after-free (rhbz 1072026 1070618)
- CVE-2014-0101 sctp: null ptr deref when processing auth cookie_echo chunk (rhbz 1070209 1070705)
- Fix overly verbose audit logs (rhbz 1066064)

19
net-fix-for-a-race-condition-in-the-inet-frag-code.patch Normal file
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@ -0,0 +1,19 @@
Bugzilla: 1070618
Upstream-status: submitted http://patchwork.ozlabs.org/patch/325844/
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index bb075fc9a14f..322dcebfc588 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -278,9 +278,10 @@ static struct inet_frag_queue *inet_frag_intern(struct netns_frags *nf,
atomic_inc(&qp->refcnt);
hlist_add_head(&qp->list, &hb->chain);
+ inet_frag_lru_add(nf, qp);
spin_unlock(&hb->chain_lock);
read_unlock(&f->lock);
- inet_frag_lru_add(nf, qp);
+
return qp;
}