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18: <i>Open</i><b>BSD</b></a>
19: 6.9 Errata
20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
24: <a href="errata20.html">2.0</a>,
25: <a href="errata21.html">2.1</a>,
26: <a href="errata22.html">2.2</a>,
27: <a href="errata23.html">2.3</a>,
28: <a href="errata24.html">2.4</a>,
29: <a href="errata25.html">2.5</a>,
30: <a href="errata26.html">2.6</a>,
31: <a href="errata27.html">2.7</a>,
32: <a href="errata28.html">2.8</a>,
33: <a href="errata29.html">2.9</a>,
34: <a href="errata30.html">3.0</a>,
35: <a href="errata31.html">3.1</a>,
36: <a href="errata32.html">3.2</a>,
37: <a href="errata33.html">3.3</a>,
38: <a href="errata34.html">3.4</a>,
39: <a href="errata35.html">3.5</a>,
40: <br>
41: <a href="errata36.html">3.6</a>,
42: <a href="errata37.html">3.7</a>,
43: <a href="errata38.html">3.8</a>,
44: <a href="errata39.html">3.9</a>,
45: <a href="errata40.html">4.0</a>,
46: <a href="errata41.html">4.1</a>,
47: <a href="errata42.html">4.2</a>,
48: <a href="errata43.html">4.3</a>,
49: <a href="errata44.html">4.4</a>,
50: <a href="errata45.html">4.5</a>,
51: <a href="errata46.html">4.6</a>,
52: <a href="errata47.html">4.7</a>,
53: <a href="errata48.html">4.8</a>,
54: <a href="errata49.html">4.9</a>,
55: <a href="errata50.html">5.0</a>,
56: <a href="errata51.html">5.1</a>,
57: <br>
58: <a href="errata52.html">5.2</a>,
59: <a href="errata53.html">5.3</a>,
60: <a href="errata54.html">5.4</a>,
61: <a href="errata55.html">5.5</a>,
62: <a href="errata56.html">5.6</a>,
63: <a href="errata57.html">5.7</a>,
64: <a href="errata58.html">5.8</a>,
65: <a href="errata59.html">5.9</a>,
66: <a href="errata60.html">6.0</a>,
67: <a href="errata61.html">6.1</a>,
68: <a href="errata62.html">6.2</a>,
69: <a href="errata63.html">6.3</a>,
70: <a href="errata64.html">6.4</a>,
71: <a href="errata65.html">6.5</a>,
72: <a href="errata66.html">6.6</a>,
73: <a href="errata67.html">6.7</a>,
1.2 tj 74: <br>
1.1 deraadt 75: <a href="errata68.html">6.8</a>.
76: <hr>
77:
78: <p>
79: Patches for the OpenBSD base system are distributed as unified diffs.
80: Each patch is cryptographically signed with the
81: <a href="https://man.openbsd.org/OpenBSD-6.9/signify.1">signify(1)</a> tool and contains
82: usage instructions.
83: All the following patches are also available in one
84: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9.tar.gz">tar.gz file</a>
85: for convenience.
86:
87: <p>
88: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
89: utility can be used to apply binary updates on the following architectures:
90: amd64, i386, arm64.
91:
92: <p>
93: Patches for supported releases are also incorporated into the
94: <a href="stable.html">-stable branch</a>, which is maintained for one year
95: after release.
96:
97: <hr>
98:
99: <ul>
100:
1.4 tb 101: <li id="p001_vmd">
1.3 bluhm 102: <strong>001: RELIABILITY FIX: May 4, 2021</strong>
103: <i>amd64</i>
104: <br>
105: vmd guests can trigger excessive log messages on the host by sending
106: certain network packets.
107: <br>
108: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/001_vmd.patch.sig">
109: A source code patch exists which remedies this problem.</a>
110: <p>
1.1 deraadt 111:
1.5 bluhm 112: <li id="p002_libx11">
113: <strong>002: SECURITY FIX: May 18, 2021</strong>
114: <i>All architectures</i>
115: <br>
116: Request length checks were missing in libX11.
117: <br>
118: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/002_libx11.patch.sig">
119: A source code patch exists which remedies this problem.</a>
120: <p>
121:
122: <li id="p003_vmd">
123: <strong>003: SECURITY FIX: May 18, 2021</strong>
124: <i>amd64</i>
125: <br>
126: vmd guest virtio drivers could cause stack overflows by crafting
127: invalid virtio descriptor lengths.
128: <br>
129: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/003_vmd.patch.sig">
130: A source code patch exists which remedies this problem.</a>
131: <p>
132:
1.6 bluhm 133: <li id="p004_net80211">
134: <strong>004: SECURITY FIX: May 21, 2021</strong>
135: <i>All architectures</i>
136: <br>
137: Insufficient validation of A-MSDUs and fragmented 802.11 frames could
138: be abused to inject arbitrary frames.
139: <br>
140: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/004_net80211.patch.sig">
141: A source code patch exists which remedies this problem.</a>
142: <p>
143:
1.7 bluhm 144: <li id="p005_pmapglobal">
145: <strong>005: RELIABILITY FIX: May 24, 2021</strong>
146: <i>amd64</i>
147: <br>
148: Recent Intel machines could crash or hang as global mappings were
149: not flushed from TLB.
150: <br>
151: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/005_pmapglobal.patch.sig">
152: A source code patch exists which remedies this problem.</a>
153: <p>
154:
1.8 bluhm 155: <li id="p006_cpuswitch">
156: <strong>006: RELIABILITY FIX: June 8, 2021</strong>
157: <i>amd64</i>
158: <br>
159: Recent Intel or any AMD machines could crash as the kernel did not
160: flush all TLBs that multi threaded processes require.
161: <br>
162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/006_cpuswitch.patch.sig">
163: A source code patch exists which remedies this problem.</a>
164: <p>
165:
166: <li id="p007_inteldrm">
167: <strong>007: RELIABILITY FIX: June 8, 2021</strong>
168: <i>amd64, i386</i>
169: <br>
170: Disable PPGTT on Intel machines with cherryview/braswell graphics
171: to avoid memory corruption.
172: <br>
173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/007_inteldrm.patch.sig">
174: A source code patch exists which remedies this problem.</a>
175: <p>
176:
1.9 bluhm 177: <li id="p008_vmd">
178: <strong>008: SECURITY FIX: June 9, 2021</strong>
179: <i>amd64</i>
180: <br>
181: vmd guests could cause stack overflows by crafting malicious dhcp
182: requests when using local interfaces.
183: <br>
184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/008_vmd.patch.sig">
185: A source code patch exists which remedies this problem.</a>
186: <p>
187:
1.10 benno 188: <li id="p009_bgpd">
1.14 benno 189: <strong>009: RELIABILITY FIX: June 25, 2021</strong>
1.10 benno 190: <i>All architectures</i>
191: <br>
192: During config reloads prefixes of the wrong address family could leak
193: to peers resulting in session resets.
194: <br>
195: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/009_bgpd.patch.sig">
196: A source code patch exists which remedies this problem.</a>
197: <p>
198:
1.11 benno 199: <li id="p010_relayd">
1.12 deraadt 200: <strong>010: SECURITY FIX: July 25, 2021</strong>
1.11 benno 201: <i>All architectures</i>
202: <br>
203: relayd(8), when using the the http protocol strip filter directive or http
204: protocol macro expansion, processes format strings.
205: <br>
206: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/010_relayd.patch.sig">
207: A source code patch exists which remedies this problem.</a>
208: <p>
209:
1.13 benno 210: <li id="p011_strchr">
211: <strong>011: SECURITY FIX: July 25, 2021</strong>
212: <i>mips64</i>
213: <br>
214: On mips64, the strchr/index/strrchr/rindex functions in libc handled
215: signed characters incorrectly.
216: <br>
217: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/011_strchr.patch.sig">
218: A source code patch exists which remedies this problem.</a>
219: <p>
220:
1.15 ! benno 221: <li id="p012_vmparam">
! 222: <strong>012: RELIABILITY FIX: August 04, 2021</strong>
! 223: <i>sparc64</i>
! 224: <br>
! 225: A missaligned address could trigger a kernel assert and panic the kernel.
! 226: <br>
! 227: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/012_vmparam.patch.sig">
! 228: A source code patch exists which remedies this problem.</a>
! 229: <p>
! 230:
1.1 deraadt 231: </ul>
232:
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