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18: <i>Open</i><b>BSD</b></a>
19: 6.8 Errata
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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>,
1.18 deraadt 73: <a href="errata67.html">6.7</a>,
1.20 tj 74: <br>
1.31 deraadt 75: <a href="errata69.html">6.9</a>,
1.36 deraadt 76: <a href="errata70.html">7.0</a>,
1.37 deraadt 77: <a href="errata71.html">7.1</a>,
1.38 tj 78: <a href="errata72.html">7.2</a>,
1.39 ! tj 79: <a href="errata73.html">7.3</a>,
! 80: <a href="errata74.html">7.4</a>.
1.1 deraadt 81: <hr>
82:
83: <p>
84: Patches for the OpenBSD base system are distributed as unified diffs.
85: Each patch is cryptographically signed with the
86: <a href="https://man.openbsd.org/OpenBSD-6.8/signify.1">signify(1)</a> tool and contains
87: usage instructions.
88: All the following patches are also available in one
89: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8.tar.gz">tar.gz file</a>
90: for convenience.
91:
92: <p>
93: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
94: utility can be used to apply binary updates on the following architectures:
95: amd64, i386, arm64.
96:
97: <p>
98: Patches for supported releases are also incorporated into the
1.21 tj 99: <a href="stable.html">-stable branch</a>.
1.1 deraadt 100:
101: <hr>
102:
103: <ul>
104:
1.2 tj 105: <li id="p001_bgpd">
106: <strong>001: RELIABILITY FIX: October 29, 2020</strong>
107: <i>All architectures</i>
108: <br>
109: In bgpd, the roa-set parser could leak memory.
110: <br>
111: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/001_bgpd.patch.sig">
112: A source code patch exists which remedies this problem.</a>
113: <p>
1.1 deraadt 114:
1.3 tb 115: <li id="p002_icmp6">
116: <strong>002: SECURITY FIX: October 29, 2020</strong>
117: <i>All architectures</i>
118: <br>
119: When generating the ICMP6 response to an IPv6 packet, the kernel
120: could use mbuf memory after freeing it.
121: <br>
122: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/002_icmp6.patch.sig">
123: A source code patch exists which remedies this problem.</a>
124: <p>
125:
1.4 tb 126: <li id="p003_tmux">
127: <strong>003: SECURITY FIX: October 29, 2020</strong>
128: <i>All architectures</i>
129: <br>
130: tmux has a stack overflow in CSI parsing.
131: <br>
1.5 tb 132: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/003_tmux.patch.sig">
1.4 tb 133: A source code patch exists which remedies this problem.</a>
134: <p>
135:
1.6 tb 136: <li id="p004_wg">
137: <strong>004: RELIABILITY FIX: November 05, 2020</strong>
138: <i>All architectures</i>
139: <br>
140: wg(4) could panic the kernel by releasing the wrong lock.
141: <br>
142: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/004_wg.patch.sig">
1.7 tb 143: A source code patch exists which remedies this problem.</a>
144: <p>
145:
146: <li id="p005_unwind">
147: <strong>005: RELIABILITY FIX: November 10, 2020</strong>
148: <i>All architectures</i>
149: <br>
150: unwind fails to process large DNS replies.
151: <br>
152: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/005_unwind.patch.sig">
153: A source code patch exists which remedies this problem.</a>
154: <p>
155:
156: <li id="p006_rpki">
157: <strong>006: RELIABILITY FIX: November 10, 2020</strong>
158: <i>All architectures</i>
159: <br>
160: rpki-client incorrectly checks the manifest validity interval.
161: <br>
162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/006_rpki.patch.sig">
1.6 tb 163: A source code patch exists which remedies this problem.</a>
164: <p>
165:
1.8 tb 166: <li id="p007_xmaplen">
167: <strong>007: SECURITY FIX: December 1, 2020</strong>
168: <i>All architectures</i>
169: <br>
170: Multiple input validation failures in the X server XKB extension can lead
171: to out of bounds memory accesses for authorized clients.
172: <br>
173: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/007_xmaplen.patch.sig">
174: A source code patch exists which remedies this problem.</a>
175: <p>
176:
1.9 tb 177: <li id="p008_xmaplen">
178: <strong>008: SECURITY FIX: December 8, 2020</strong>
179: <i>All architectures</i>
180: <br>
181: Malformed ASN.1 in a certificate revocation list or a timestamp
182: response token can lead to a NULL pointer dereference.
183: <br>
184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/008_asn1.patch.sig">
185: A source code patch exists which remedies this problem.</a>
186: <p>
187:
188: <li id="p009_exit">
189: <strong>009: RELIABILITY FIX: December 8, 2020</strong>
190: <i>All architectures</i>
191: <br>
192: Process exit in multithreaded programs could result in the wrong exit
193: code being reported.
194: <br>
195: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/009_exit.patch.sig">
196: A source code patch exists which remedies this problem.</a>
197: <p>
198:
1.10 tb 199: <li id="p010_smtpd">
200: <strong>010: RELIABILITY FIX: December 24, 2020</strong>
201: <i>All architectures</i>
202: <br>
203: smtpd's filter state machine can prematurely release resources
204: leading to a crash.
205: <br>
206: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/010_smtpd.patch.sig">
207: A source code patch exists which remedies this problem.</a>
208: <p>
209:
1.11 benno 210: <li id="p011_nd6">
211: <strong>011: RELIABILITY FIX: January 11, 2021</strong>
212: <i>All architectures</i>
213: <br>
214: When an NDP entry is invalidated the associated layer 2 address
215: is not invalidated.
216: <br>
217: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/011_nd6.patch.sig">
218: A source code patch exists which remedies this problem.</a>
219: <p>
220:
1.12 benno 221: <li id="p012_carp">
222: <strong>012: RELIABILITY FIX: January 13, 2021</strong>
223: <i>All architectures</i>
224: <br>
225: Use of bpf(4) on a carp interface could result in a use after free
226: error.<br>
227: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/012_carp.patch.sig">
228: A source code patch exists which remedies this problem.</a>
229: <p>
230:
1.13 tb 231: <li id="p013_libressl">
232: <strong>013: RELIABILITY FIX: February 3, 2021</strong>
233: <i>All architectures</i>
234: <br>
235: Various interoperability issues and memory leaks were discovered in
236: libcrypto and libssl.
237: <br>
238: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/013_libressl.patch.sig">
239: A source code patch exists which remedies this problem.</a>
240: <p>
241:
1.14 bluhm 242: <li id="p014_pffrag">
243: <strong>014: SECURITY FIX: February 24, 2021</strong>
244: <i>All architectures</i>
245: <br>
246: A sequence of overlapping IPv4 fragments could crash the kernel in
247: pf due to an assertion.
248: <br>
249: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/014_pffrag.patch.sig">
250: A source code patch exists which remedies this problem.</a>
251: <p>
252:
1.15 bluhm 253: <li id="p015_sshagent">
254: <strong>015: SECURITY FIX: March 4, 2021</strong>
255: <i>All architectures</i>
256: <br>
257: Double free in ssh-agent(1)
258: <br>
259: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/015_sshagent.patch.sig">
260: A source code patch exists which remedies this problem.</a>
261: <p>
262:
1.16 bluhm 263: <li id="p016_npppd">
264: <strong>016: SECURITY FIX: March 9, 2021</strong>
265: <i>All architectures</i>
266: <br>
267: npppd PPTP protocol handler can cause heap over-read leading to a crash.
268: <br>
269: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/016_npppd.patch.sig">
270: A source code patch exists which remedies this problem.</a>
271: <p>
272:
1.17 tb 273: <li id="p017_libssl">
274: <strong>017: SECURITY FIX: March 15, 2021</strong>
275: <i>All architectures</i>
276: <br>
277: A TLS client using session resumption may cause a use-after-free.
278: <br>
279: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/017_libssl.patch.sig">
280: A source code patch exists which remedies this problem.</a>
281: <p>
282:
1.19 bluhm 283: <li id="p018_xi">
284: <strong>018: SECURITY FIX: April 13, 2021</strong>
285: <i>All architectures</i>
286: <br>
287: Input validation failures in X server XInput extension can lead to
288: privileges elevations for authorized clients.
289: <br>
290: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/018_xi.patch.sig">
291: A source code patch exists which remedies this problem.</a>
292: <p>
293:
1.22 bluhm 294: <li id="p019_libx11">
295: <strong>019: SECURITY FIX: May 18, 2021</strong>
296: <i>All architectures</i>
297: <br>
298: Request length checks were missing in libX11.
299: <br>
300: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/019_libx11.patch.sig">
301: A source code patch exists which remedies this problem.</a>
302: <p>
303:
304: <li id="p020_vmd">
305: <strong>020: SECURITY FIX: May 18, 2021</strong>
306: <i>amd64</i>
307: <br>
308: vmd guest virtio drivers could cause stack overflows by crafting invalid
309: virtio descriptor lengths.
310: <br>
311: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/020_vmd.patch.sig">
312: A source code patch exists which remedies this problem.</a>
313: <p>
314:
1.23 bluhm 315: <li id="p021_net80211">
316: <strong>021: SECURITY FIX: May 21, 2021</strong>
317: <i>All architectures</i>
318: <br>
319: Insufficient validation of A-MSDUs and fragmented 802.11 frames could
320: be abused to inject arbitrary frames.
321: <br>
322: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/021_net80211.patch.sig">
323: A source code patch exists which remedies this problem.</a>
324: <p>
325:
1.24 bluhm 326: <li id="p022_pmapglobal">
327: <strong>022: RELIABILITY FIX: May 24, 2021</strong>
328: <i>amd64</i>
329: <br>
330: Recent Intel machines could crash or hang as global mappings were
331: not flushed from TLB.
332: <br>
333: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/022_pmapglobal.patch.sig">
334: A source code patch exists which remedies this problem.</a>
335: <p>
336:
1.25 bluhm 337: <li id="p023_cpuswitch">
338: <strong>023: RELIABILITY FIX: June 8, 2021</strong>
339: <i>amd64</i>
340: <br>
341: Recent Intel or any AMD machines could crash as the kernel did not
342: flush all TLBs that multi threaded processes require.
343: <br>
344: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/023_cpuswitch.patch.sig">
345: A source code patch exists which remedies this problem.</a>
346: <p>
347:
348: <li id="p024_inteldrm">
349: <strong>024_inteldrm: RELIABILITY FIX: June 8, 2021</strong>
350: <i>amd64, i386</i>
351: <br>
352: Disable PPGTT on Intel machines with cherryview/braswell graphics
353: to avoid memory corruption.
354: <br>
355: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/024_inteldrm.patch.sig">
356: A source code patch exists which remedies this problem.</a>
357: <p>
358:
1.26 bluhm 359: <li id="p025_vmd">
360: <strong>025: SECURITY FIX: June 9, 2021</strong>
361: <i>amd64</i>
362: <br>
363: vmd guests could cause stack overflows by crafting malicious dhcp
364: requests when using local interfaces.
365: <br>
366: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/025_vmd.patch.sig">
367: A source code patch exists which remedies this problem.</a>
368: <p>
369:
1.27 benno 370: <li id="p026_strchr">
371: <strong>026: SECURITY FIX: July 25, 2021</strong>
372: <i>mips64</i>
373: <br>
374: On mips64, the strchr/index/strrchr/rindex functions in libc handled
375: signed characters incorrectly.
376: <br>
377: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/026_strchr.patch.sig">
378: A source code patch exists which remedies this problem.</a>
379: <p>
380:
1.28 benno 381: <li id="p027_vmparam">
382: <strong>027: RELIABILITY FIX: August 04, 2021</strong>
383: <i>sparc64</i>
384: <br>
385: A missaligned address could trigger a kernel assert and panic the kernel.
386: <br>
387: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/027_vmparam.patch.sig">
388: A source code patch exists which remedies this problem.</a>
389: <p>
390:
1.29 benno 391: <li id="p028_wg">
392: <strong>028: RELIABILITY FIX: August 11, 2021</strong>
393: <i>All architectures</i>
394: <br>
395: In a specific configuration, wg(4) leaked mbufs.
396: <br>
397: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/028_wg.patch.sig">
398: A source code patch exists which remedies this problem.</a>
399: <p>
400:
1.30 benno 401: <li id="p029_x509">
402: <strong>029: SECURITY FIX: August 20, 2021</strong>
403: <i>All architectures</i>
404: <br>
405: In LibreSSL, printing a certificate can result in a crash in
406: X509_CERT_AUX_print().
407: <br>
408: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/029_x509.patch.sig">
409: A source code patch exists which remedies this problem.</a>
410: <p>
411:
1.32 benno 412: <li id="030_sshd">
413: <strong>030: SECURITY FIX: September 27, 2021</strong>
414: <i>All architectures</i>
415: <br>
416: sshd(8) failed to clear supplemental groups when executing an
417: AuthorizedUsersCommand or AuthorizedPrincipalsCommand helper program.
418: <br>
419: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/030_sshd.patch.sig">
420: A source code patch exists which remedies this problem.</a>
421: <p>
422:
1.33 benno 423: <li id="031_x509">
424: <strong>031: SECURITY FIX: September 27, 2021</strong>
425: <i>All architectures</i>
426: <br>
1.35 tj 427: In libcrypto, part of LibreSSL, a stack overread could occur when
1.33 benno 428: checking X.509 name constraints.
429: <br>
430: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/031_x509.patch.sig">
431: A source code patch exists which remedies this problem.</a>
432: <p>
433:
1.34 benno 434: <li id="032_cert">
435: <strong>032: RELIABILITY FIX: September 30, 2021</strong>
436: <i>All architectures</i>
437: <br>
438: Compensate for the expiry of the DST Root X3 certificate.
439: <br>
440: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/032_cert.patch.sig">
441: A source code patch exists which remedies this problem.</a>
442: <p>
443:
1.1 deraadt 444: </ul>
445:
446: <hr>
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