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SUSE:SLE-12-SP1:Update
xen.10696
CVE-2018-18438-qemuu-004-integer-overflow-in-cc...
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File CVE-2018-18438-qemuu-004-integer-overflow-in-ccid_card_vscard_read-allows-memory-corruption.patch of Package xen.10696
References: bsc#1112188 CVE-2018-18438 Suggested-by: Paolo Bonzini <address@hidden> Signed-off-by: Philippe Mathieu-Daudé <address@hidden> --- chardev/char.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) Index: xen-4.5.5-testing/tools/qemu-xen-dir-remote/qemu-char.c =================================================================== --- xen-4.5.5-testing.orig/tools/qemu-xen-dir-remote/qemu-char.c +++ xen-4.5.5-testing/tools/qemu-xen-dir-remote/qemu-char.c @@ -154,9 +154,12 @@ int qemu_chr_fe_ioctl(CharDriverState *s int qemu_chr_be_can_write(CharDriverState *s) { + int res; if (!s->chr_can_read) return 0; - return s->chr_can_read(s->handler_opaque); + res = s->chr_can_read(s->handler_opaque); + assert(res >= 0); + return res; } void qemu_chr_be_write(CharDriverState *s, uint8_t *buf, int len)
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