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[AutoPR- Security] Patch cloud-provider-kubevirt for CVE-2026-73500 [HIGH] #18449

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Merged
jslobodzian merged 1 commit into from
Aug 18, 2026
Merged

[AutoPR- Security] Patch cloud-provider-kubevirt for CVE-2026-73500 [HIGH] #18449

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48 changes: 48 additions & 0 deletions SPECS/cloud-provider-kubevirt/CVE-2026-73500.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
From 37a73733a7af0dfdeaca57b9f74442321950eb75 Mon Sep 17 00:00:00 2001
From: Benjamin Wang <benjamin.ahrtr@gmail.com>
Date: Tue, 21 Jul 2026 10:16:47 +0100
Subject: [PATCH] Set a tlsHandshakeTimeout for tlsListener

Signed-off-by: Benjamin Wang <benjamin.ahrtr@gmail.com>
Signed-off-by: Azure Linux Security Servicing Account <azurelinux-security@microsoft.com>
Upstream-reference: https://github.com/etcd-io/etcd/commit/8e4dd0679a2c6b095d2a32a749fda2521c7809a3.patch
---
.../etcd/client/pkg/v3/transport/listener_tls.go | 8 ++++++++
1 file changed, 8 insertions(+)

diff --git a/vendor/go.etcd.io/etcd/client/pkg/v3/transport/listener_tls.go b/vendor/go.etcd.io/etcd/client/pkg/v3/transport/listener_tls.go
index 6f16009..7e009f1 100644
--- a/vendor/go.etcd.io/etcd/client/pkg/v3/transport/listener_tls.go
+++ b/vendor/go.etcd.io/etcd/client/pkg/v3/transport/listener_tls.go
@@ -23,6 +23,12 @@ import (
"net"
"strings"
"sync"
+ "time"
+)
+
+const (
+ // tlsHandshakeTimeout bounds how long a single TLS handshake may block.
+ tlsHandshakeTimeout = 10 * time.Second
)

// tlsListener overrides a TLS listener so it will reject client
@@ -143,6 +149,7 @@ func (l *tlsListener) acceptLoop() {
}()

tlsConn := conn.(*tls.Conn)
+ _ = tlsConn.SetDeadline(time.Now().Add(tlsHandshakeTimeout))
herr := tlsConn.Handshake()
pendingMu.Lock()
delete(pending, conn)
@@ -152,6 +159,7 @@ func (l *tlsListener) acceptLoop() {
l.handshakeFailure(tlsConn, herr)
return
}
+ _ = tlsConn.SetDeadline(time.Time{})
if err := l.check(ctx, tlsConn); err != nil {
l.handshakeFailure(tlsConn, err)
return
--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/cloud-provider-kubevirt/cloud-provider-kubevirt.spec
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
Summary: Package to create the cloud-provider-kubevirt binary.
Name: cloud-provider-kubevirt
Version: 0.5.1
Release: 6%{?dist}
Release: 7%{?dist}
License: ASL 2.0
URL: https://github.com/kubevirt/cloud-provider-kubevirt/
Group: System/Management
Expand Down Expand Up @@ -38,6 +38,7 @@ Patch9: CVE-2026-25680.patch
Patch10: CVE-2026-25681.patch
Patch11: CVE-2026-42502.patch
Patch12: CVE-2026-56852.patch
Patch13: CVE-2026-73500.patch
%global debug_package %{nil}
BuildRequires: golang < 1.25

Expand Down Expand Up @@ -78,6 +79,9 @@ make test
%{_bindir}/kubevirt-cloud-controller-manager

%changelog
* Fri Aug 14 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 0.5.1-7
- Patch for CVE-2026-73500

* Mon Jul 27 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 0.5.1-6
- Patch for CVE-2026-56852

Expand Down
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