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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>,
1.31 deraadt 77: <a href="errata71.html">7.1</a>,
1.33 ! tj 78: <a href="errata72.html">7.2</a>,
! 79: <a href="errata73.html">7.3</a>.
1.1 deraadt 80: <hr>
81:
82: <p>
83: Patches for the OpenBSD base system are distributed as unified diffs.
84: Each patch is cryptographically signed with the
85: <a href="https://man.openbsd.org/OpenBSD-7.0/signify.1">signify(1)</a> tool and contains
86: usage instructions.
87: All the following patches are also available in one
88: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0.tar.gz">tar.gz file</a>
89: for convenience.
90:
91: <p>
92: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
93: utility can be used to apply binary updates on the following architectures:
94: amd64, i386, arm64.
95:
96: <p>
97: Patches for supported releases are also incorporated into the
1.25 tj 98: <a href="stable.html">-stable branch</a>.
1.1 deraadt 99:
100: <hr>
101:
102: <ul>
103:
1.8 benno 104: <li id="p001_nsd">
1.4 benno 105: <strong>001: RELIABILITY FIX: October 31, 2021</strong>
106: <i>All architectures</i>
107: <br>
108: In certain configurations, nsd(8) can be crashed by a remote attacker.
109: <br>
110: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/001_nsd.patch.sig">
111: A source code patch exists which remedies this problem.</a>
112: <p>
113:
1.8 benno 114: <li id="p002_bpf">
1.4 benno 115: <strong>002: RELIABILITY FIX: October 31, 2021</strong>
116: <i>All architectures</i>
117: <br>
1.6 tj 118: Opening /dev/bpf too often could lead to resource exhaustion.
1.4 benno 119: <br>
120: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/002_bpf.patch.sig">
121: A source code patch exists which remedies this problem.</a>
122: <p>
1.1 deraadt 123:
1.8 benno 124: <li id="p003_uipc">
1.7 benno 125: <strong>003: SECURITY FIX: October 31, 2021</strong>
1.5 benno 126: <i>All architectures</i>
127: <br>
128: The kernel could leak memory when closing unix sockets.
129: <br>
130: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/003_uipc.patch.sig">
131: A source code patch exists which remedies this problem.</a>
132: <p>
133:
1.9 benno 134: <li id="p004_rpki">
135: <strong>004: SECURITY FIX: November 9, 2021</strong>
136: <i>All architectures</i>
137: <br>
138: rpki-client(8) should handle CA misbehaviours as soft-errors.
139: <br>
140: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/004_rpki.patch.sig">
141: A source code patch exists which remedies this problem.</a>
142: <p>
143:
1.10 bluhm 144: <li id="p005_unpcon">
145: <strong>005: RELIABILITY FIX: November 26, 2021</strong>
146: <i>All architectures</i>
147: <br>
148: An unprivileged user could crash the kernel by using UNIX-domain
149: sockets in multiple threads.
150: <br>
151: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/005_unpcon.patch.sig">
152: A source code patch exists which remedies this problem.</a>
153: <p>
154:
155: <li id="p006_x509">
1.11 tj 156: <strong>006: SECURITY FIX: November 26, 2021</strong>
1.10 bluhm 157: <i>All architectures</i>
158: <br>
159: In some situations the X.509 verifier would discard an error on
160: an unverified certificate chain, resulting in an authentication bypass.
161: <br>
162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/006_x509.patch.sig">
163: A source code patch exists which remedies this problem.</a>
164: <p>
165:
1.12 bluhm 166: <li id="p007_xserver">
167: <strong>007: SECURITY FIX: December 14, 2021</strong>
168: <i>All architectures</i>
169: <br>
170: Multiple input validation failures in the X server request parsing
171: code can lead to out of bounds memory accesses for authorized
172: clients.
173: <br>
174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/007_xserver.patch.sig">
175: A source code patch exists which remedies this problem.</a>
176: <p>
177:
1.13 bluhm 178: <li id="p008_mrt">
179: <strong>008: SECURITY FIX: December 16, 2021</strong>
180: <i>All architectures</i>
181: <br>
182: If multicast routing is used, kernel memory is leaked to userland.
183: <br>
184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/008_mrt.patch.sig">
185: A source code patch exists which remedies this problem.</a>
186: <p>
187:
1.14 bluhm 188: <li id="p009_expat">
189: <strong>009: SECURITY FIX: January 19, 2022</strong>
190: <i>All architectures</i>
191: <br>
192: Fix 8 security issues in libexpat, all related to fixed-size integer
193: math (integer overflow and invalid shifts) near memory allocation.
194: <br>
195: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/009_expat.patch.sig">
196: A source code patch exists which remedies this problem.</a>
197: <p>
198:
199: <li id="p010_vmm">
200: <strong>010: RELIABILITY FIX: January 19, 2022</strong>
201: <i>amd64</i>
202: <br>
203: Intel-based vmm(4) hosts may have vm processes die due to host-side
204: state corruption.
205: <br>
206: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/010_vmm.patch.sig">
207: A source code patch exists which remedies this problem.</a>
208: <p>
209:
1.15 bluhm 210: <li id="p011_ppctrap">
211: <strong>011: SECURITY FIX: January 24, 2022</strong>
212: <i>macppc</i>
213: <br>
214: On PowerPC kernel memory is leaked to userland.
215: <br>
216: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/011_ppctrap.patch.sig">
217: A source code patch exists which remedies this problem.</a>
218: <p>
219:
1.16 bluhm 220: <li id="p012_gpuflush">
221: <strong>012: RELIABILITY FIX: February 2, 2022</strong>
222: <i>amd64 i386</i>
223: <br>
224: Userspace controlled code on GPU can access kernel memory on Intel
225: gen 8 and later GPUs.
226: <br>
227: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/012_gpuflush.patch.sig">
228: A source code patch exists which remedies this problem.</a>
229: <p>
230:
231: <li id="p013_expat">
232: <strong>013: SECURITY FIX: February 2, 2022</strong>
233: <i>All architectures</i>
234: <br>
235: Fix two security issues in libexpat related to integer overflow.
236: <br>
237: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/013_expat.patch.sig">
238: A source code patch exists which remedies this problem.</a>
239: <p>
240:
1.17 bluhm 241: <li id="p014_slaacd">
242: <strong>014: SECURITY FIX: February 21, 2022</strong>
243: <i>All architectures</i>
244: <br>
245: More than 7 nameservers in an IPv6 router advertisement could crash slaacd.
246: <br>
247: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/014_slaacd.patch.sig">
248: A source code patch exists which remedies this problem.</a>
249: <p>
250:
1.18 bluhm 251: <li id="p015_expat">
252: <strong>015: SECURITY FIX: February 24, 2022</strong>
253: <i>All architectures</i>
254: <br>
255: Fix five security issues in libexpat related to encoding, stack
256: exhaustion, and integer overflow.
257: <br>
258: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/015_expat.patch.sig">
259: A source code patch exists which remedies this problem.</a>
260: <p>
261:
1.19 bluhm 262: <li id="p016_bignum">
263: <strong>016: SECURITY FIX: March 15, 2022</strong>
264: <i>All architectures</i>
265: <br>
266: A malicious certificate can cause an infinite loop.
267: <br>
268: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/016_bignum.patch.sig">
269: A source code patch exists which remedies this problem.</a>
270: <p>
271:
1.20 bluhm 272: <li id="p017_slaacd">
273: <strong>017: SECURITY FIX: March 22, 2022</strong>
274: <i>All architectures</i>
275: <br>
276: A malicious router advertisement could overflow heap memory in
277: unprivileged slaacd process.
278: <br>
279: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/017_slaacd.patch.sig">
280: A source code patch exists which remedies this problem.</a>
281: <p>
282:
1.22 bluhm 283: <li id="p018_zlib">
284: <strong>018: SECURITY FIX: April 1, 2022</strong>
285: <i>All architectures</i>
286: <br>
287: Memory corruption in zlib can lead to a crash.
288: <br>
289: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/018_zlib.patch.sig">
290: A source code patch exists which remedies this problem.</a>
291: <p>
292:
1.23 bluhm 293: <li id="p019_syszlib">
294: <strong>019: SECURITY FIX: April 5, 2022</strong>
295: <i>All architectures</i>
296: <br>
297: Fix zlib vulnerability in PPP and IPComp compression.
298: <br>
299: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/019_syszlib.patch.sig">
300: A source code patch exists which remedies this problem.</a>
301: <p>
302:
1.24 bluhm 303: <li id="p020_rpki">
304: <strong>020: RELIABILITY FIX: April 11, 2022</strong>
305: <i>All architectures</i>
306: <br>
307: rpki-client(8) handled time zones incorrectly.
308: <br>
309: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/020_rpki.patch.sig">
310: A source code patch exists which remedies this problem.</a>
311: <p>
312:
1.27 bluhm 313: <li id="p021_pppoe">
314: <strong>021: SECURITY FIX: May 16, 2022</strong>
315: <i>All architectures</i>
316: <br>
317: Malicious PPPoE packets could corrupt kernel memory.
318: <br>
319: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/021_pppoe.patch.sig">
320: A source code patch exists which remedies this problem.</a>
321: <p>
322:
1.28 bluhm 323: <li id="p022_xserver">
324: <strong>022: SECURITY FIX: July 24, 2022</strong>
325: <i>All architectures</i>
326: <br>
327: Input validation failures in the X server request parsing code can
328: lead to out of bounds memory accesses for authorized clients.
329: <br>
330: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/022_xserver.patch.sig">
331: A source code patch exists which remedies this problem.</a>
332: <p>
333:
334: <li id="p023_cron">
335: <strong>023: RELIABILITY FIX: July 24, 2022</strong>
336: <i>All architectures</i>
337: <br>
338: cron(8) aborted due to strange poll timevals.
339: <br>
340: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/023_cron.patch.sig">
341: A source code patch exists which remedies this problem.</a>
342: <p>
343:
1.29 bluhm 344: <li id="p024_zlib">
345: <strong>024: SECURITY FIX: August 12, 2022</strong>
346: <i>All architectures</i>
347: <br>
348: A missing length check in zlib could lead to a heap buffer overflow.
349: <br>
350: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/024_zlib.patch.sig">
351: A source code patch exists which remedies this problem.</a>
352: <p>
353:
1.30 bluhm 354: <li id="p025_expat">
355: <strong>025: SECURITY FIX: September 23, 2022</strong>
356: <i>All architectures</i>
357: <br>
358: In libexpat fix heap use-after-free vulnerability CVE-2022-40674.
359: <br>
360: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/025_expat.patch.sig">
361: A source code patch exists which remedies this problem.</a>
362: <p>
363:
1.32 bluhm 364: <li id="p026_smtpd">
365: <strong>026: SECURITY FIX: September 26, 2022</strong>
366: <i>All architectures</i>
367: <br>
368: In smtpd(8), possible use-after-free if TLS handshake fails for
369: outbound connections.
370: <br>
371: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/7.0/common/026_smtpd.patch.sig">
372: A source code patch exists which remedies this problem.</a>
373: <p>
374:
1.1 deraadt 375: </ul>
376:
377: <hr>
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