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qemu: agent: set ifname to NULL after freeing

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CVE-2020-25637

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reported-by: Ilja Van Sprundel <ivansprundel@ioactive.com>
Fixes: 0977b8aa07
Reviewed-by: Mauro Matteo Cascella <mcascell@redhat.com>
Reviewed-by: Jiri Denemark <jdenemar@redhat.com>
This commit is contained in:
Ján Tomko 2020-09-18 17:56:37 +02:00
parent e4116eaa44
commit a63b48c5ec
1 changed files with 1 additions and 0 deletions
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src/qemu/qemu_agent.c
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@ -2166,6 +2166,7 @@ qemuAgentGetInterfaces(qemuAgentPtr agent,
/* Has to be freed for each interface. */
g_strfreev(ifname);
ifname = NULL;
/* as well as IP address which - moreover -
* can be presented multiple times */