From: Ashishkumar Parmar <[email protected]> This patch applies the upstream stable-10.2 backport for CVE-2026-0665. The upstream fix commit is referenced in [1], and the public CVE advisory is referenced in [2].
[1] https://gitlab.com/qemu-project/qemu/-/commit/058e1774d678031ec207441a51efcf8ae94cc6af [2] https://github.com/advisories/GHSA-4pq4-6gr5-cr69 Signed-off-by: Ashishkumar Parmar <[email protected]> --- meta/recipes-devtools/qemu/qemu.inc | 1 + .../qemu/qemu/CVE-2026-0665.patch | 38 +++++++++++++++++++ 2 files changed, 39 insertions(+) create mode 100644 meta/recipes-devtools/qemu/qemu/CVE-2026-0665.patch diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index 1d493ee1a3..518ef69789 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -38,6 +38,7 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://qemu-guest-agent.udev \ file://CVE-2024-6519.patch \ file://CVE-2026-2243.patch \ + file://CVE-2026-0665.patch \ " # file index at download.qemu.org isn't reliable: https://gitlab.com/qemu-project/qemu-web/-/issues/9 UPSTREAM_CHECK_URI = "https://www.qemu.org"; diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2026-0665.patch b/meta/recipes-devtools/qemu/qemu/CVE-2026-0665.patch new file mode 100644 index 0000000000..ed8623c225 --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2026-0665.patch @@ -0,0 +1,38 @@ +From 77705f3f91dc1ede803228a0eaf4593103466e3a Mon Sep 17 00:00:00 2001 +From: Vulnerability Report <[email protected]> +Date: Fri, 9 Jan 2026 10:35:48 +0800 +Subject: [PATCH] hw/i386/kvm: fix PIRQ bounds check in xen_physdev_map_pirq() + +Reject pirq == s->nr_pirqs in xen_physdev_map_pirq(). + +CVE: CVE-2026-0665 +Upstream-Status: Backport [https://gitlab.com/qemu-project/qemu/-/commit/058e1774d678031ec207441a51efcf8ae94cc6af] + +Fixes: aa98ee38a5 ("hw/xen: Implement emulated PIRQ hypercall support") +Fixes: CVE-2026-0665 +Reported-by: DARKNAVY (@DarkNavyOrg) <[email protected]> +Reviewed-by: David Woodhouse <[email protected]> +Signed-off-by: Vulnerability Report <[email protected]> +Link: https://lore.kernel.org/r/[email protected] +Signed-off-by: Paolo Bonzini <[email protected]> +(cherry picked from commit c7504ba2a560fd884557f6e5142f03b491aad0c7) +Signed-off-by: Michael Tokarev <[email protected]> +(cherry picked from commit 058e1774d678031ec207441a51efcf8ae94cc6af) +Signed-off-by: Ashishkumar Parmar <[email protected]> +--- + hw/i386/kvm/xen_evtchn.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/hw/i386/kvm/xen_evtchn.c b/hw/i386/kvm/xen_evtchn.c +index dd566c496..173e0818c 100644 +--- a/hw/i386/kvm/xen_evtchn.c ++++ b/hw/i386/kvm/xen_evtchn.c +@@ -1877,7 +1877,7 @@ int xen_physdev_map_pirq(struct physdev_map_pirq *map) + return pirq; + } + map->pirq = pirq; +- } else if (pirq > s->nr_pirqs) { ++ } else if (pirq >= s->nr_pirqs) { + return -EINVAL; + } else { + /* -- 2.35.6
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