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18: <i>Open</i><b>BSD</b></a>
19: 7.0 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>,
74: <br>
75: <a href="errata68.html">6.8</a>,
1.21 ! deraadt 76: <a href="errata69.html">6.9</a>,
! 77: <a href="errata70.html">7.1</a>.
1.1 deraadt 78: <hr>
79:
80: <p>
81: Patches for the OpenBSD base system are distributed as unified diffs.
82: Each patch is cryptographically signed with the
83: <a href="https://man.openbsd.org/OpenBSD-7.0/signify.1">signify(1)</a> tool and contains
84: usage instructions.
85: All the following patches are also available in one
86: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0.tar.gz">tar.gz file</a>
87: for convenience.
88:
89: <p>
90: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
91: utility can be used to apply binary updates on the following architectures:
92: amd64, i386, arm64.
93:
94: <p>
95: Patches for supported releases are also incorporated into the
96: <a href="stable.html">-stable branch</a>, which is maintained for one year
97: after release.
98:
99: <hr>
100:
101: <ul>
102:
1.8 benno 103: <li id="p001_nsd">
1.4 benno 104: <strong>001: RELIABILITY FIX: October 31, 2021</strong>
105: <i>All architectures</i>
106: <br>
107: In certain configurations, nsd(8) can be crashed by a remote attacker.
108: <br>
109: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/001_nsd.patch.sig">
110: A source code patch exists which remedies this problem.</a>
111: <p>
112:
1.8 benno 113: <li id="p002_bpf">
1.4 benno 114: <strong>002: RELIABILITY FIX: October 31, 2021</strong>
115: <i>All architectures</i>
116: <br>
1.6 tj 117: Opening /dev/bpf too often could lead to resource exhaustion.
1.4 benno 118: <br>
119: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/002_bpf.patch.sig">
120: A source code patch exists which remedies this problem.</a>
121: <p>
1.1 deraadt 122:
1.8 benno 123: <li id="p003_uipc">
1.7 benno 124: <strong>003: SECURITY FIX: October 31, 2021</strong>
1.5 benno 125: <i>All architectures</i>
126: <br>
127: The kernel could leak memory when closing unix sockets.
128: <br>
129: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/003_uipc.patch.sig">
130: A source code patch exists which remedies this problem.</a>
131: <p>
132:
1.9 benno 133: <li id="p004_rpki">
134: <strong>004: SECURITY FIX: November 9, 2021</strong>
135: <i>All architectures</i>
136: <br>
137: rpki-client(8) should handle CA misbehaviours as soft-errors.
138: <br>
139: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/004_rpki.patch.sig">
140: A source code patch exists which remedies this problem.</a>
141: <p>
142:
1.10 bluhm 143: <li id="p005_unpcon">
144: <strong>005: RELIABILITY FIX: November 26, 2021</strong>
145: <i>All architectures</i>
146: <br>
147: An unprivileged user could crash the kernel by using UNIX-domain
148: sockets in multiple threads.
149: <br>
150: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/005_unpcon.patch.sig">
151: A source code patch exists which remedies this problem.</a>
152: <p>
153:
154: <li id="p006_x509">
1.11 tj 155: <strong>006: SECURITY FIX: November 26, 2021</strong>
1.10 bluhm 156: <i>All architectures</i>
157: <br>
158: In some situations the X.509 verifier would discard an error on
159: an unverified certificate chain, resulting in an authentication bypass.
160: <br>
161: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig">
162: A source code patch exists which remedies this problem.</a>
163: <p>
164:
1.12 bluhm 165: <li id="p007_xserver">
166: <strong>007: SECURITY FIX: December 14, 2021</strong>
167: <i>All architectures</i>
168: <br>
169: Multiple input validation failures in the X server request parsing
170: code can lead to out of bounds memory accesses for authorized
171: clients.
172: <br>
173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/007_xserver.patch.sig">
174: A source code patch exists which remedies this problem.</a>
175: <p>
176:
1.13 bluhm 177: <li id="p008_mrt">
178: <strong>008: SECURITY FIX: December 16, 2021</strong>
179: <i>All architectures</i>
180: <br>
181: If multicast routing is used, kernel memory is leaked to userland.
182: <br>
183: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/008_mrt.patch.sig">
184: A source code patch exists which remedies this problem.</a>
185: <p>
186:
1.14 bluhm 187: <li id="p009_expat">
188: <strong>009: SECURITY FIX: January 19, 2022</strong>
189: <i>All architectures</i>
190: <br>
191: Fix 8 security issues in libexpat, all related to fixed-size integer
192: math (integer overflow and invalid shifts) near memory allocation.
193: <br>
194: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/009_expat.patch.sig">
195: A source code patch exists which remedies this problem.</a>
196: <p>
197:
198: <li id="p010_vmm">
199: <strong>010: RELIABILITY FIX: January 19, 2022</strong>
200: <i>amd64</i>
201: <br>
202: Intel-based vmm(4) hosts may have vm processes die due to host-side
203: state corruption.
204: <br>
205: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/010_vmm.patch.sig">
206: A source code patch exists which remedies this problem.</a>
207: <p>
208:
1.15 bluhm 209: <li id="p011_ppctrap">
210: <strong>011: SECURITY FIX: January 24, 2022</strong>
211: <i>macppc</i>
212: <br>
213: On PowerPC kernel memory is leaked to userland.
214: <br>
215: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/011_ppctrap.patch.sig">
216: A source code patch exists which remedies this problem.</a>
217: <p>
218:
1.16 bluhm 219: <li id="p012_gpuflush">
220: <strong>012: RELIABILITY FIX: February 2, 2022</strong>
221: <i>amd64 i386</i>
222: <br>
223: Userspace controlled code on GPU can access kernel memory on Intel
224: gen 8 and later GPUs.
225: <br>
226: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/012_gpuflush.patch.sig">
227: A source code patch exists which remedies this problem.</a>
228: <p>
229:
230: <li id="p013_expat">
231: <strong>013: SECURITY FIX: February 2, 2022</strong>
232: <i>All architectures</i>
233: <br>
234: Fix two security issues in libexpat related to integer overflow.
235: <br>
236: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/013_expat.patch.sig">
237: A source code patch exists which remedies this problem.</a>
238: <p>
239:
1.17 bluhm 240: <li id="p014_slaacd">
241: <strong>014: SECURITY FIX: February 21, 2022</strong>
242: <i>All architectures</i>
243: <br>
244: More than 7 nameservers in an IPv6 router advertisement could crash slaacd.
245: <br>
246: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig">
247: A source code patch exists which remedies this problem.</a>
248: <p>
249:
1.18 bluhm 250: <li id="p015_expat">
251: <strong>015: SECURITY FIX: February 24, 2022</strong>
252: <i>All architectures</i>
253: <br>
254: Fix five security issues in libexpat related to encoding, stack
255: exhaustion, and integer overflow.
256: <br>
257: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/015_expat.patch.sig">
258: A source code patch exists which remedies this problem.</a>
259: <p>
260:
1.19 bluhm 261: <li id="p016_bignum">
262: <strong>016: SECURITY FIX: March 15, 2022</strong>
263: <i>All architectures</i>
264: <br>
265: A malicious certificate can cause an infinite loop.
266: <br>
267: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/016_bignum.patch.sig">
268: A source code patch exists which remedies this problem.</a>
269: <p>
270:
1.20 bluhm 271: <li id="p017_slaacd">
272: <strong>017: SECURITY FIX: March 22, 2022</strong>
273: <i>All architectures</i>
274: <br>
275: A malicious router advertisement could overflow heap memory in
276: unprivileged slaacd process.
277: <br>
278: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/017_slaacd.patch.sig">
279: A source code patch exists which remedies this problem.</a>
280: <p>
281:
1.1 deraadt 282: </ul>
283:
284: <hr>
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