Hi Team, Any update on this?
Thanks & Regards, Vijay On Wed, Jun 3, 2026 at 3:12 PM Vijay Anusuri via lists.openembedded.org <[email protected]> wrote: > Hi Yoann, > > Thanks for reminding me. > > This series CVE's fixed in xserver-xorg 21.1.22. > > Release Notes: > https://lists.x.org/archives/xorg-announce/2026-April/003678.html > > Already xserver-xorg upgraded to 21.1.22 in master branch. > > > https://git.openembedded.org/openembedded-core/commit/?id=d4452b34849b4f06c979c394dc0c824958243861 > > I've sent upgrade patch to wrynose branch. > > Thanks & Regards, > Vijay > > On Tue, Jun 2, 2026 at 6:28 PM Yoann Congal <[email protected]> wrote: > >> On Tue May 12, 2026 at 10:59 AM CEST, Vijay Anusuri via >> lists.openembedded.org wrote: >> > Pick patch according to [1] >> > >> > [1] https://lists.x.org/archives/xorg-announce/2026-April/003677.html >> > [2] https://security-tracker.debian.org/tracker/CVE-2026-33999 >> > >> > Signed-off-by: Vijay Anusuri <[email protected]> >> >> As far as I can tell, this whole series should also be applied to >> wrynose and master. Can you send this to theses branches and ping back >> here? >> >> Thanks! >> >> > --- >> > .../xserver-xorg/CVE-2026-33999.patch | 49 +++++++++++++++++++ >> > .../xorg-xserver/xserver-xorg_21.1.18.bb | 1 + >> > 2 files changed, 50 insertions(+) >> > create mode 100644 >> meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2026-33999.patch >> > >> > diff --git >> a/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2026-33999.patch >> b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2026-33999.patch >> > new file mode 100644 >> > index 0000000000..cd3bf47397 >> > --- /dev/null >> > +++ >> b/meta/recipes-graphics/xorg-xserver/xserver-xorg/CVE-2026-33999.patch >> > @@ -0,0 +1,49 @@ >> > +From b024ae1749ee58c6fbf863b9a1f5dc440fee2e1b Mon Sep 17 00:00:00 2001 >> > +From: Peter Harris <[email protected]> >> > +Date: Thu, 15 Jan 2026 15:54:09 -0500 >> > +Subject: [PATCH] xkb: fix buffer re-use in _XkbSetCompatMap >> > + >> > +If the "compat" buffer has previously been truncated, there will be >> > +unused space in the buffer. The code uses this space, but does not >> > +update the number of valid entries in the buffer. >> > + >> > +In the best case, this leads to the new compat entries being ignored. >> In the >> > +worst case, if there are any "skipped" compat entries, the number of >> > +valid entries will be corrupted, potentially leading to a buffer read >> > +overrun when processing a future request. >> > + >> > +Set the number of used "compat" entries when re-using previously >> > +allocated space in the buffer. >> > + >> > +CVE-2026-33999, ZDI-CAN-28593 >> > + >> > +This vulnerability was discovered by: >> > +Jan-Niklas Sohn working with TrendAI Zero Day Initiative >> > + >> > +Signed-off-by: Peter Harris <[email protected]> >> > +Acked-by: Olivier Fourdan <[email protected]> >> > +Part-of: < >> https://gitlab.freedesktop.org/xorg/xserver/-/merge_requests/2176> >> > + >> > +Upstream-Status: Backport [ >> https://gitlab.freedesktop.org/xorg/xserver/-/commit/b024ae1749ee58c6fbf863b9a1f5dc440fee2e1b >> ] >> > +CVE: CVE-2026-33999 >> > +Signed-off-by: Vijay Anusuri <[email protected]> >> > +--- >> > + xkb/xkb.c | 2 +- >> > + 1 file changed, 1 insertion(+), 1 deletion(-) >> > + >> > +diff --git a/xkb/xkb.c b/xkb/xkb.c >> > +index 137d70d..2b9004a 100644 >> > +--- a/xkb/xkb.c >> > ++++ b/xkb/xkb.c >> > +@@ -3004,7 +3004,7 @@ _XkbSetCompatMap(ClientPtr client, DeviceIntPtr >> dev, >> > + return BadAlloc; >> > + } >> > + } >> > +- else if (req->truncateSI) { >> > ++ else if (req->truncateSI || req->firstSI + req->nSI > >> compat->num_si) { >> > + compat->num_si = req->firstSI + req->nSI; >> > + } >> > + sym = &compat->sym_interpret[req->firstSI]; >> > +-- >> > +2.43.0 >> > + >> > diff --git a/meta/recipes-graphics/xorg-xserver/xserver-xorg_21.1.18.bb >> b/meta/recipes-graphics/xorg-xserver/xserver-xorg_21.1.18.bb >> > index 7f6197a0b4..ef7f5c5bdb 100644 >> > --- a/meta/recipes-graphics/xorg-xserver/xserver-xorg_21.1.18.bb >> > +++ b/meta/recipes-graphics/xorg-xserver/xserver-xorg_21.1.18.bb >> > @@ -5,6 +5,7 @@ SRC_URI += >> "file://0001-xf86pciBus.c-use-Intel-ddx-only-for-pre-gen4-hardwar.pat >> > >> file://0002-xkb-Make-the-RT_XKBCLIENT-resource-private.patch \ >> > >> file://0003-xkb-Free-the-XKB-resource-when-freeing-XkbInterest.patch \ >> > file://0004-xkb-Prevent-overflow-in-XkbSetCompatMap.patch \ >> > + file://CVE-2026-33999.patch \ >> > " >> > SRC_URI[sha256sum] = >> "c878d1930d87725d4a5bf498c24f4be8130d5b2646a9fd0f2994deff90116352" >> > >> >> >> -- >> Yoann Congal >> Smile ECS >> >> > > >
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