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[AutoPR- Security] Patch ignition-flatcar for CVE-2026-33814 [MEDIUM] #220

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[AutoPR- Security] Patch ignition-flatcar for CVE-2026-33814 [MEDIUM] #220

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48 changes: 48 additions & 0 deletions SPECS/ignition-flatcar/CVE-2026-33814.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,48 @@
From f8fa6c0656fb203051061615a79c8d0fe6342f37 Mon Sep 17 00:00:00 2001
From: "Nicholas S. Husin" <nsh@golang.org>
Date: Tue, 31 Mar 2026 15:15:30 -0400
Subject: [PATCH] http2: prevent hanging Transport due to bad SETTINGS frame

This CL backports https://go.dev/cl/761581 to x/net.

Fixes golang/go#78476
Fixes CVE-2026-33814

Change-Id: Ied435a51fdd8664d41dae14d082c39c76a6a6964
Reviewed-on: https://go-review.googlesource.com/c/net/+/761640
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: Nicholas Husin <husin@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Signed-off-by: Azure Linux Security Servicing Account <azurelinux-security@microsoft.com>
Upstream-reference: https://github.com/golang/net/commit/1e71bd86e4a302b4e731bc06da6eb51679c7bd49.patch
---
vendor/golang.org/x/net/http2/transport.go | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/vendor/golang.org/x/net/http2/transport.go b/vendor/golang.org/x/net/http2/transport.go
index f26356b..a401b27 100644
--- a/vendor/golang.org/x/net/http2/transport.go
+++ b/vendor/golang.org/x/net/http2/transport.go
@@ -2858,6 +2858,9 @@ func (rl *clientConnReadLoop) processSettingsNoWrite(f *SettingsFrame) error {

var seenMaxConcurrentStreams bool
err := f.ForeachSetting(func(s Setting) error {
+ if err := s.Valid(); err != nil {
+ return err
+ }
switch s.ID {
case SettingMaxFrameSize:
cc.maxFrameSize = s.Val
@@ -2889,9 +2892,6 @@ func (rl *clientConnReadLoop) processSettingsNoWrite(f *SettingsFrame) error {
cc.henc.SetMaxDynamicTableSize(s.Val)
cc.peerMaxHeaderTableSize = s.Val
case SettingEnableConnectProtocol:
- if err := s.Valid(); err != nil {
- return err
- }
// If the peer wants to send us SETTINGS_ENABLE_CONNECT_PROTOCOL,
// we require that it do so in the first SETTINGS frame.
//
--
2.45.4

6 changes: 5 additions & 1 deletion SPECS/ignition-flatcar/ignition-flatcar.spec
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Expand Up @@ -24,7 +24,7 @@ Version: 2.22.0
%global dracutlibdir %{_prefix}/lib/dracut

Name: ignition-flatcar
Release: 3%{?dist}
Release: 4%{?dist}
Vendor: Microsoft Corporation
Distribution: Azure Linux
Summary: First boot installer and configuration tool
Expand Down Expand Up @@ -55,6 +55,7 @@ Patch18: 0019-usr-share-oem-oem.patch
Patch19: 0020-internal-exec-stages-mount-Mount-oem.patch
Patch20: CVE-2026-27141.patch
Patch21: CVE-2026-29181.patch
Patch22: CVE-2026-33814.patch

BuildRequires: libblkid-devel
BuildRequires: systemd-rpm-macros
Expand Down Expand Up @@ -203,6 +204,9 @@ VERSION=%{version} GOARCH=%{goarch} ./test
%endif

%changelog
* Wed May 13 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 2.22.0-4
- Patch for CVE-2026-33814

* Mon May 04 2026 Azure Linux Security Servicing Account <azurelinux-security@microsoft.com> - 2.22.0-3
- Patch for CVE-2026-29181

Expand Down
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