APPLIED: [PATCH 0/2][SRU][X] CVE-2018-20961: USB Gadget MIDI Function UAF
kleber.souza at canonical.com
Tue Sep 3 13:14:18 UTC 2019
On 8/15/19 1:21 AM, Tyler Hicks wrote:
> In the Linux kernel before 4.16.4, a double free vulnerability in the
> f_midi_set_alt function of drivers/usb/gadget/function/f_midi.c in the
> f_midi driver may allow attackers to cause a denial of service or
> possibly have unspecified other impact.
> Clean cherry picks. I'm unable to test without appropriate hardware but
> the the build logs are clean and a test kernel boots without any issues.
> The first patch isn't necessarily required for the CVE fix but the error
> path doesn't work correctly without it. I think it is safe and
> worthwhile to bring back with the CVE fix.
> Felipe F. Tonello (1):
> usb: gadget: f_midi: fail if set_alt fails to allocate requests
> Yavuz, Tuba (1):
> USB: gadget: f_midi: fixing a possible double-free in f_midi
> drivers/usb/gadget/function/f_midi.c | 6 ++++--
> drivers/usb/gadget/u_f.h | 2 ++
> 2 files changed, 6 insertions(+), 2 deletions(-)
Applied to xenial/master-next branch.
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