diff --git a/meta/recipes-graphics/xwayland/xwayland/CVE-2025-49180.patch b/meta/recipes-graphics/xwayland/xwayland/CVE-2025-49180.patch new file mode 100644 index 0000000000..51939acf63 --- /dev/null +++ b/meta/recipes-graphics/xwayland/xwayland/CVE-2025-49180.patch @@ -0,0 +1,45 @@ +From 3c3a4b767b16174d3213055947ea7f4f88e10ec6 Mon Sep 17 00:00:00 2001 +From: Olivier Fourdan +Date: Tue, 20 May 2025 15:18:19 +0200 +Subject: [PATCH] randr: Check for overflow in RRChangeProviderProperty() + +A client might send a request causing an integer overflow when computing +the total size to allocate in RRChangeProviderProperty(). + +To avoid the issue, check that total length in bytes won't exceed the +maximum integer value. + +CVE-2025-49180 + +This issue was discovered by Nils Emmerich and +reported by Julian Suleder via ERNW Vulnerability Disclosure. + +Signed-off-by: Olivier Fourdan +Reviewed-by: Peter Hutterer +Part-of: + +CVE: CVE-2025-49180 + +Upstream-Status: Backport [https://gitlab.freedesktop.org/xorg/xserver/-/commit/3c3a4b767b16174d3213055947ea7f4f88e10ec6] + +Signed-off-by: Archana Polampalli +--- + randr/rrproviderproperty.c | 3 ++- + 1 file changed, 2 insertions(+), 1 deletion(-) + +diff --git a/randr/rrproviderproperty.c b/randr/rrproviderproperty.c +index 90c5a9a..0aa35ad 100644 +--- a/randr/rrproviderproperty.c ++++ b/randr/rrproviderproperty.c +@@ -179,7 +179,8 @@ RRChangeProviderProperty(RRProviderPtr provider, Atom property, Atom type, + + if (mode == PropModeReplace || len > 0) { + void *new_data = NULL, *old_data = NULL; +- ++ if (total_len > MAXINT / size_in_bytes) ++ return BadValue; + total_size = total_len * size_in_bytes; + new_value.data = (void *) malloc(total_size); + if (!new_value.data && total_size) { +-- +2.40.0 diff --git a/meta/recipes-graphics/xwayland/xwayland_23.2.5.bb b/meta/recipes-graphics/xwayland/xwayland_23.2.5.bb index 490e1ca05f..49e35ca442 100644 --- a/meta/recipes-graphics/xwayland/xwayland_23.2.5.bb +++ b/meta/recipes-graphics/xwayland/xwayland_23.2.5.bb @@ -30,6 +30,7 @@ SRC_URI = "https://www.x.org/archive/individual/xserver/xwayland-${PV}.tar.xz \ file://CVE-2025-49177.patch \ file://CVE-2025-49178.patch \ file://CVE-2025-49179.patch \ + file://CVE-2025-49180.patch \ " SRC_URI[sha256sum] = "33ec7ff2687a59faaa52b9b09aa8caf118e7ecb6aed8953f526a625ff9f4bd90"