Messages in this thread | | | Date | Mon, 19 Sep 2022 18:24:42 -0400 | From | Sasha Levin <> | Subject | Re: [PATCH AUTOSEL 5.15 22/41] video: fbdev: pxa3xx-gcu: Fix integer overflow in pxa3xx_gcu_write |
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On Mon, Sep 19, 2022 at 11:21:43AM +0300, Vitaly Chikunov wrote: >On Mon, Jun 27, 2022 at 10:20:41PM -0400, Sasha Levin wrote: >> From: Hyunwoo Kim <imv4bel@gmail.com> >> >> [ Upstream commit a09d2d00af53b43c6f11e6ab3cb58443c2cac8a7 ] >> >> In pxa3xx_gcu_write, a count parameter of type size_t is passed to words of >> type int. Then, copy_from_user() may cause a heap overflow because it is used >> as the third argument of copy_from_user(). > >Why this commit is still not in the stable branches?
Mostly because it's not tagged for stable.
But really, looks like I've missed a batch a few months ago, I can push it for the next release cycle.
>Isn't this is the fix for CVE-2022-39842[1]?
How the heck did this thing get a CVE?
-- Thanks, Sasha
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