Hello, On 08/11/2022 21:51:48+0530, [email protected] wrote: > From: Adhitya Siddartha <[email protected]> > > Reference to upstream patch: > https://gitlab.freedesktop.org/pixman/pixman/-/commit/a1f88e842e0216a5b4df1ab023caebe33c101395 >
Your mailer mangled the whitespaces and the patch doesn't apply properly: https://autobuilder.yoctoproject.org/typhoon/#/builders/37/builds/6145/steps/11/logs/stdio > Signed-off-by: Adhitya Siddartha <[email protected]> > --- > .../xorg-lib/pixman/CVE-2022-44638.patch | 37 +++++++++++++++++++ > .../xorg-lib/pixman_0.40.0.bb | 1 + > 2 files changed, 38 insertions(+) > create mode 100644 meta/recipes-graphics/xorg-lib/pixman/CVE-2022-44638.patch > > diff --git a/meta/recipes-graphics/xorg-lib/pixman/CVE-2022-44638.patch > b/meta/recipes-graphics/xorg-lib/pixman/CVE-2022-44638.patch > new file mode 100644 > index 0000000000..ab5acaf2ee > --- /dev/null > +++ b/meta/recipes-graphics/xorg-lib/pixman/CVE-2022-44638.patch > @@ -0,0 +1,37 @@ > +From a1f88e842e0216a5b4df1ab023caebe33c101395 Mon Sep 17 00:00:00 2001 > +From: Matt Turner <[email protected]> > +Date: Wed, 2 Nov 2022 12:07:32 -0400 > +Subject: [PATCH] Avoid integer overflow leading to out-of-bounds write > + > +Upstream-Status: Backport > +CVE: CVE-2022-44638 > + > +Reference to upstream patch: > +https://gitlab.freedesktop.org/pixman/pixman/-/commit/a1f88e842e0216a5b4df1ab023caebe33c101395 > + > +Signed-off-by: Ravula AdhityaX Siddartha > <[email protected]> > + > +Thanks to Maddie Stone and Google's Project Zero for discovering this > +issue, providing a proof-of-concept, and a great analysis. > + > +Closes: https://gitlab.freedesktop.org/pixman/pixman/-/issues/63 > +--- > + pixman/pixman-trap.c | 2 +- > + 1 file changed, 1 insertion(+), 1 deletion(-) > + > +diff --git a/pixman/pixman-trap.c b/pixman/pixman-trap.c > +index 91766fd..7560405 100644 > +--- a/pixman/pixman-trap.c > ++++ b/pixman/pixman-trap.c > +@@ -74,7 +74,7 @@ pixman_sample_floor_y (pixman_fixed_t y, > + > + if (f < Y_FRAC_FIRST (n)) > + { > +- if (pixman_fixed_to_int (i) == 0x8000) > ++ if (pixman_fixed_to_int (i) == 0xffff8000) > + { > + f = 0; /* saturate */ > + } > +-- > +GitLab > + > diff --git a/meta/recipes-graphics/xorg-lib/pixman_0.40.0.bb > b/meta/recipes-graphics/xorg-lib/pixman_0.40.0.bb > index ccfe277746..c56733eefd 100644 > --- a/meta/recipes-graphics/xorg-lib/pixman_0.40.0.bb > +++ b/meta/recipes-graphics/xorg-lib/pixman_0.40.0.bb > @@ -9,6 +9,7 @@ DEPENDS = "zlib" > > SRC_URI = "https://www.cairographics.org/releases/${BP}.tar.gz \ > > file://0001-ARM-qemu-related-workarounds-in-cpu-features-detecti.patch \ > + file://CVE-2022-44638.patch \ > " > SRC_URI[md5sum] = "73858c0862dd9896fb5f62ae267084a4" > SRC_URI[sha256sum] = > "6d200dec3740d9ec4ec8d1180e25779c00bc749f94278c8b9021f5534db223fc" > -- > 2.17.1 > > > > -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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