diff options
author | Patrick J Volkerding <volkerdi@slackware.com> | 2023-03-29 20:56:21 +0000 |
---|---|---|
committer | Eric Hameleers <alien@slackware.com> | 2023-03-30 13:30:41 +0200 |
commit | 5b606a9169015941ec3d0dfb0bf99299cf435240 (patch) | |
tree | af399e50cb4b650a300e1e8c13104d5558cff646 /patches/source/xorg-server | |
parent | 694953a02401ef2e4b4ee493a3ad3a1cc50e32bb (diff) | |
download | current-2b205d6339971d8b1c014bb20c63cfb8de507367.tar.gz current-2b205d6339971d8b1c014bb20c63cfb8de507367.tar.xz |
Wed Mar 29 20:56:21 UTC 202320230329205621_15.0
patches/packages/glibc-zoneinfo-2023c-noarch-1_slack15.0.txz: Upgraded.
This package provides the latest timezone updates.
patches/packages/mozilla-thunderbird-102.9.1-x86_64-1_slack15.0.txz: Upgraded.
This release contains security fixes and improvements.
For more information, see:
https://www.mozilla.org/en-US/thunderbird/102.9.1/releasenotes/
https://www.mozilla.org/en-US/security/advisories/mfsa2023-12/
https://www.cve.org/CVERecord?id=CVE-2023-28427
(* Security fix *)
patches/packages/xorg-server-1.20.14-x86_64-8_slack15.0.txz: Rebuilt.
[PATCH] composite: Fix use-after-free of the COW.
Fix use-after-free that can lead to local privileges elevation on systems
where the X server is running privileged and remote code execution for ssh
X forwarding sessions.
For more information, see:
https://lists.x.org/archives/xorg-announce/2023-March/003374.html
https://www.cve.org/CVERecord?id=CVE-2023-1393
(* Security fix *)
patches/packages/xorg-server-xephyr-1.20.14-x86_64-8_slack15.0.txz: Rebuilt.
patches/packages/xorg-server-xnest-1.20.14-x86_64-8_slack15.0.txz: Rebuilt.
patches/packages/xorg-server-xvfb-1.20.14-x86_64-8_slack15.0.txz: Rebuilt.
patches/packages/xorg-server-xwayland-21.1.4-x86_64-7_slack15.0.txz: Rebuilt.
[PATCH] composite: Fix use-after-free of the COW.
Fix use-after-free that can lead to local privileges elevation on systems
where the X server is running privileged and remote code execution for ssh
X forwarding sessions.
For more information, see:
https://lists.x.org/archives/xorg-announce/2023-March/003374.html
https://www.cve.org/CVERecord?id=CVE-2023-1393
(* Security fix *)
Diffstat (limited to 'patches/source/xorg-server')
-rw-r--r-- | patches/source/xorg-server/build/xorg-server | 2 | ||||
-rw-r--r-- | patches/source/xorg-server/patch/xorg-server.patch | 3 | ||||
-rw-r--r-- | patches/source/xorg-server/patch/xorg-server/CVE-2023-1393.patch | 42 |
3 files changed, 46 insertions, 1 deletions
diff --git a/patches/source/xorg-server/build/xorg-server b/patches/source/xorg-server/build/xorg-server index 7952b0566..05965f95a 100644 --- a/patches/source/xorg-server/build/xorg-server +++ b/patches/source/xorg-server/build/xorg-server @@ -1 +1 @@ -7_slack15.0 +8_slack15.0 diff --git a/patches/source/xorg-server/patch/xorg-server.patch b/patches/source/xorg-server/patch/xorg-server.patch index c0a9b1426..e95f8b86f 100644 --- a/patches/source/xorg-server/patch/xorg-server.patch +++ b/patches/source/xorg-server/patch/xorg-server.patch @@ -56,3 +56,6 @@ zcat $CWD/patch/xorg-server/CVE-2023-0494.patch.gz | patch -p1 --verbose || { to # [PATCH] present: Check for NULL to prevent crash. # This prevents a crash with recent NVIDIA drivers. zcat $CWD/patch/xorg-server/857.patch.gz | patch -p1 --verbose || { touch ${SLACK_X_BUILD_DIR}/${PKGNAME}.failed ; continue ; } + +# Patch another security issue: +zcat $CWD/patch/xorg-server/CVE-2023-1393.patch.gz | patch -p1 --verbose || { touch ${SLACK_X_BUILD_DIR}/${PKGNAME}.failed ; continue ; } diff --git a/patches/source/xorg-server/patch/xorg-server/CVE-2023-1393.patch b/patches/source/xorg-server/patch/xorg-server/CVE-2023-1393.patch new file mode 100644 index 000000000..0d859d6c1 --- /dev/null +++ b/patches/source/xorg-server/patch/xorg-server/CVE-2023-1393.patch @@ -0,0 +1,42 @@ +From 26ef545b3502f61ca722a7a3373507e88ef64110 Mon Sep 17 00:00:00 2001 +From: Olivier Fourdan <ofourdan@redhat.com> +Date: Mon, 13 Mar 2023 11:08:47 +0100 +Subject: [PATCH] composite: Fix use-after-free of the COW + +ZDI-CAN-19866/CVE-2023-1393 + +If a client explicitly destroys the compositor overlay window (aka COW), +we would leave a dangling pointer to that window in the CompScreen +structure, which will trigger a use-after-free later. + +Make sure to clear the CompScreen pointer to the COW when the latter gets +destroyed explicitly by the client. + +This vulnerability was discovered by: +Jan-Niklas Sohn working with Trend Micro Zero Day Initiative + +Signed-off-by: Olivier Fourdan <ofourdan@redhat.com> +Reviewed-by: Adam Jackson <ajax@redhat.com> +--- + composite/compwindow.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/composite/compwindow.c b/composite/compwindow.c +index 4e2494b86b..b30da589e9 100644 +--- a/composite/compwindow.c ++++ b/composite/compwindow.c +@@ -620,6 +620,11 @@ compDestroyWindow(WindowPtr pWin) + ret = (*pScreen->DestroyWindow) (pWin); + cs->DestroyWindow = pScreen->DestroyWindow; + pScreen->DestroyWindow = compDestroyWindow; ++ ++ /* Did we just destroy the overlay window? */ ++ if (pWin == cs->pOverlayWin) ++ cs->pOverlayWin = NULL; ++ + /* compCheckTree (pWin->drawable.pScreen); can't check -- tree isn't good*/ + return ret; + } +-- +GitLab + |