From: Amaury Couderc <[email protected]> avahi: fix DoS bug by changing assert to return
Signed-off-by: Amaury Couderc <[email protected]> --- meta/recipes-connectivity/avahi/avahi_0.8.bb | 1 + .../avahi/files/CVE-2025-68471.patch | 36 +++++++++++++++++++ 2 files changed, 37 insertions(+) create mode 100644 meta/recipes-connectivity/avahi/files/CVE-2025-68471.patch diff --git a/meta/recipes-connectivity/avahi/avahi_0.8.bb b/meta/recipes-connectivity/avahi/avahi_0.8.bb index 7930bd3037..ffda85c0e7 100644 --- a/meta/recipes-connectivity/avahi/avahi_0.8.bb +++ b/meta/recipes-connectivity/avahi/avahi_0.8.bb @@ -37,6 +37,7 @@ SRC_URI = "${GITHUB_BASE_URI}/download/v${PV}/avahi-${PV}.tar.gz \ file://CVE-2023-38473.patch \ file://CVE-2024-52616.patch \ file://CVE-2024-52615.patch \ + file://CVE-2025-68471.patch \ " GITHUB_BASE_URI = "https://github.com/avahi/avahi/releases/"; diff --git a/meta/recipes-connectivity/avahi/files/CVE-2025-68471.patch b/meta/recipes-connectivity/avahi/files/CVE-2025-68471.patch new file mode 100644 index 0000000000..210565cdd6 --- /dev/null +++ b/meta/recipes-connectivity/avahi/files/CVE-2025-68471.patch @@ -0,0 +1,36 @@ +From 4e84c1d6eb2f54d1643bd7ce62817c722ca36d25 Mon Sep 17 00:00:00 2001 +From: Hugo Muis <[email protected]> +Date: Sun, 2 Mar 2025 18:06:24 +0100 +Subject: [PATCH] core: fix DoS bug by changing assert to return + +Closes https://github.com/avahi/avahi/issues/678 + +CVE: CVE-2025-68471 + +Upstream-Status: Backport +[https://github.com/avahi/avahi/commit/9c6eb53bf2e290aed84b1f207e3ce35c54cc0aa1] + +Signed-off-by: Amaury Couderc <[email protected]> +--- + avahi-core/browse.c | 5 ++++- + 1 file changed, 4 insertions(+), 1 deletion(-) + +diff --git a/avahi-core/browse.c b/avahi-core/browse.c +index 2941e57..86e4432 100644 +--- a/avahi-core/browse.c ++++ b/avahi-core/browse.c +@@ -320,7 +320,10 @@ static int lookup_start(AvahiSRBLookup *l) { + assert(l); + + assert(!(l->flags & AVAHI_LOOKUP_USE_WIDE_AREA) != !(l->flags & AVAHI_LOOKUP_USE_MULTICAST)); +- assert(!l->wide_area && !l->multicast); ++ if (l->wide_area || l->multicast) { ++ /* Avoid starting a duplicate lookup */ ++ return 0; ++ } + + if (l->flags & AVAHI_LOOKUP_USE_WIDE_AREA) { + +-- +2.43.0 + -- 2.52.0
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