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SUSE:SLE-15-SP4:Update
libslirp.23007
libslirp-CVE-2021-3594.patch
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File libslirp-CVE-2021-3594.patch of Package libslirp.23007
Index: libslirp-4.3.1/src/udp.c =================================================================== --- libslirp-4.3.1.orig/src/udp.c 2020-07-08 13:48:02.000000000 +0200 +++ libslirp-4.3.1/src/udp.c 2022-02-23 09:47:40.471642451 +0100 @@ -93,7 +93,10 @@ void udp_input(register struct mbuf *m, /* * Get IP and UDP header together in first mbuf. */ - ip = mtod(m, struct ip *); + ip = mtod_check(m, iphlen + sizeof(struct udphdr)); + if (ip == NULL) { + goto bad; + } uh = (struct udphdr *)((char *)ip + iphlen); /*
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