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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>,
1.40 ! tj 80: <a href="errata74.html">7.4</a>,
! 81: <a href="errata75.html">7.5</a>.
1.1 deraadt 82: <hr>
83:
84: <p>
85: Patches for the OpenBSD base system are distributed as unified diffs.
86: Each patch is cryptographically signed with the
87: <a href="https://man.openbsd.org/OpenBSD-6.8/signify.1">signify(1)</a> tool and contains
88: usage instructions.
89: All the following patches are also available in one
90: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8.tar.gz">tar.gz file</a>
91: for convenience.
92:
93: <p>
94: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
95: utility can be used to apply binary updates on the following architectures:
96: amd64, i386, arm64.
97:
98: <p>
99: Patches for supported releases are also incorporated into the
1.21 tj 100: <a href="stable.html">-stable branch</a>.
1.1 deraadt 101:
102: <hr>
103:
104: <ul>
105:
1.2 tj 106: <li id="p001_bgpd">
107: <strong>001: RELIABILITY FIX: October 29, 2020</strong>
108: <i>All architectures</i>
109: <br>
110: In bgpd, the roa-set parser could leak memory.
111: <br>
112: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/001_bgpd.patch.sig">
113: A source code patch exists which remedies this problem.</a>
114: <p>
1.1 deraadt 115:
1.3 tb 116: <li id="p002_icmp6">
117: <strong>002: SECURITY FIX: October 29, 2020</strong>
118: <i>All architectures</i>
119: <br>
120: When generating the ICMP6 response to an IPv6 packet, the kernel
121: could use mbuf memory after freeing it.
122: <br>
123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/002_icmp6.patch.sig">
124: A source code patch exists which remedies this problem.</a>
125: <p>
126:
1.4 tb 127: <li id="p003_tmux">
128: <strong>003: SECURITY FIX: October 29, 2020</strong>
129: <i>All architectures</i>
130: <br>
131: tmux has a stack overflow in CSI parsing.
132: <br>
1.5 tb 133: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/003_tmux.patch.sig">
1.4 tb 134: A source code patch exists which remedies this problem.</a>
135: <p>
136:
1.6 tb 137: <li id="p004_wg">
138: <strong>004: RELIABILITY FIX: November 05, 2020</strong>
139: <i>All architectures</i>
140: <br>
141: wg(4) could panic the kernel by releasing the wrong lock.
142: <br>
143: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/004_wg.patch.sig">
1.7 tb 144: A source code patch exists which remedies this problem.</a>
145: <p>
146:
147: <li id="p005_unwind">
148: <strong>005: RELIABILITY FIX: November 10, 2020</strong>
149: <i>All architectures</i>
150: <br>
151: unwind fails to process large DNS replies.
152: <br>
153: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/005_unwind.patch.sig">
154: A source code patch exists which remedies this problem.</a>
155: <p>
156:
157: <li id="p006_rpki">
158: <strong>006: RELIABILITY FIX: November 10, 2020</strong>
159: <i>All architectures</i>
160: <br>
161: rpki-client incorrectly checks the manifest validity interval.
162: <br>
163: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/006_rpki.patch.sig">
1.6 tb 164: A source code patch exists which remedies this problem.</a>
165: <p>
166:
1.8 tb 167: <li id="p007_xmaplen">
168: <strong>007: SECURITY FIX: December 1, 2020</strong>
169: <i>All architectures</i>
170: <br>
171: Multiple input validation failures in the X server XKB extension can lead
172: to out of bounds memory accesses for authorized clients.
173: <br>
174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/007_xmaplen.patch.sig">
175: A source code patch exists which remedies this problem.</a>
176: <p>
177:
1.9 tb 178: <li id="p008_xmaplen">
179: <strong>008: SECURITY FIX: December 8, 2020</strong>
180: <i>All architectures</i>
181: <br>
182: Malformed ASN.1 in a certificate revocation list or a timestamp
183: response token can lead to a NULL pointer dereference.
184: <br>
185: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/008_asn1.patch.sig">
186: A source code patch exists which remedies this problem.</a>
187: <p>
188:
189: <li id="p009_exit">
190: <strong>009: RELIABILITY FIX: December 8, 2020</strong>
191: <i>All architectures</i>
192: <br>
193: Process exit in multithreaded programs could result in the wrong exit
194: code being reported.
195: <br>
196: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/009_exit.patch.sig">
197: A source code patch exists which remedies this problem.</a>
198: <p>
199:
1.10 tb 200: <li id="p010_smtpd">
201: <strong>010: RELIABILITY FIX: December 24, 2020</strong>
202: <i>All architectures</i>
203: <br>
204: smtpd's filter state machine can prematurely release resources
205: leading to a crash.
206: <br>
207: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/010_smtpd.patch.sig">
208: A source code patch exists which remedies this problem.</a>
209: <p>
210:
1.11 benno 211: <li id="p011_nd6">
212: <strong>011: RELIABILITY FIX: January 11, 2021</strong>
213: <i>All architectures</i>
214: <br>
215: When an NDP entry is invalidated the associated layer 2 address
216: is not invalidated.
217: <br>
218: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/011_nd6.patch.sig">
219: A source code patch exists which remedies this problem.</a>
220: <p>
221:
1.12 benno 222: <li id="p012_carp">
223: <strong>012: RELIABILITY FIX: January 13, 2021</strong>
224: <i>All architectures</i>
225: <br>
226: Use of bpf(4) on a carp interface could result in a use after free
227: error.<br>
228: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/012_carp.patch.sig">
229: A source code patch exists which remedies this problem.</a>
230: <p>
231:
1.13 tb 232: <li id="p013_libressl">
233: <strong>013: RELIABILITY FIX: February 3, 2021</strong>
234: <i>All architectures</i>
235: <br>
236: Various interoperability issues and memory leaks were discovered in
237: libcrypto and libssl.
238: <br>
239: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/013_libressl.patch.sig">
240: A source code patch exists which remedies this problem.</a>
241: <p>
242:
1.14 bluhm 243: <li id="p014_pffrag">
244: <strong>014: SECURITY FIX: February 24, 2021</strong>
245: <i>All architectures</i>
246: <br>
247: A sequence of overlapping IPv4 fragments could crash the kernel in
248: pf due to an assertion.
249: <br>
250: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/014_pffrag.patch.sig">
251: A source code patch exists which remedies this problem.</a>
252: <p>
253:
1.15 bluhm 254: <li id="p015_sshagent">
255: <strong>015: SECURITY FIX: March 4, 2021</strong>
256: <i>All architectures</i>
257: <br>
258: Double free in ssh-agent(1)
259: <br>
260: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/015_sshagent.patch.sig">
261: A source code patch exists which remedies this problem.</a>
262: <p>
263:
1.16 bluhm 264: <li id="p016_npppd">
265: <strong>016: SECURITY FIX: March 9, 2021</strong>
266: <i>All architectures</i>
267: <br>
268: npppd PPTP protocol handler can cause heap over-read leading to a crash.
269: <br>
270: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/016_npppd.patch.sig">
271: A source code patch exists which remedies this problem.</a>
272: <p>
273:
1.17 tb 274: <li id="p017_libssl">
275: <strong>017: SECURITY FIX: March 15, 2021</strong>
276: <i>All architectures</i>
277: <br>
278: A TLS client using session resumption may cause a use-after-free.
279: <br>
280: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/017_libssl.patch.sig">
281: A source code patch exists which remedies this problem.</a>
282: <p>
283:
1.19 bluhm 284: <li id="p018_xi">
285: <strong>018: SECURITY FIX: April 13, 2021</strong>
286: <i>All architectures</i>
287: <br>
288: Input validation failures in X server XInput extension can lead to
289: privileges elevations for authorized clients.
290: <br>
291: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/018_xi.patch.sig">
292: A source code patch exists which remedies this problem.</a>
293: <p>
294:
1.22 bluhm 295: <li id="p019_libx11">
296: <strong>019: SECURITY FIX: May 18, 2021</strong>
297: <i>All architectures</i>
298: <br>
299: Request length checks were missing in libX11.
300: <br>
301: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/019_libx11.patch.sig">
302: A source code patch exists which remedies this problem.</a>
303: <p>
304:
305: <li id="p020_vmd">
306: <strong>020: SECURITY FIX: May 18, 2021</strong>
307: <i>amd64</i>
308: <br>
309: vmd guest virtio drivers could cause stack overflows by crafting invalid
310: virtio descriptor lengths.
311: <br>
312: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/020_vmd.patch.sig">
313: A source code patch exists which remedies this problem.</a>
314: <p>
315:
1.23 bluhm 316: <li id="p021_net80211">
317: <strong>021: SECURITY FIX: May 21, 2021</strong>
318: <i>All architectures</i>
319: <br>
320: Insufficient validation of A-MSDUs and fragmented 802.11 frames could
321: be abused to inject arbitrary frames.
322: <br>
323: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/021_net80211.patch.sig">
324: A source code patch exists which remedies this problem.</a>
325: <p>
326:
1.24 bluhm 327: <li id="p022_pmapglobal">
328: <strong>022: RELIABILITY FIX: May 24, 2021</strong>
329: <i>amd64</i>
330: <br>
331: Recent Intel machines could crash or hang as global mappings were
332: not flushed from TLB.
333: <br>
334: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/022_pmapglobal.patch.sig">
335: A source code patch exists which remedies this problem.</a>
336: <p>
337:
1.25 bluhm 338: <li id="p023_cpuswitch">
339: <strong>023: RELIABILITY FIX: June 8, 2021</strong>
340: <i>amd64</i>
341: <br>
342: Recent Intel or any AMD machines could crash as the kernel did not
343: flush all TLBs that multi threaded processes require.
344: <br>
345: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/023_cpuswitch.patch.sig">
346: A source code patch exists which remedies this problem.</a>
347: <p>
348:
349: <li id="p024_inteldrm">
350: <strong>024_inteldrm: RELIABILITY FIX: June 8, 2021</strong>
351: <i>amd64, i386</i>
352: <br>
353: Disable PPGTT on Intel machines with cherryview/braswell graphics
354: to avoid memory corruption.
355: <br>
356: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/024_inteldrm.patch.sig">
357: A source code patch exists which remedies this problem.</a>
358: <p>
359:
1.26 bluhm 360: <li id="p025_vmd">
361: <strong>025: SECURITY FIX: June 9, 2021</strong>
362: <i>amd64</i>
363: <br>
364: vmd guests could cause stack overflows by crafting malicious dhcp
365: requests when using local interfaces.
366: <br>
367: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/025_vmd.patch.sig">
368: A source code patch exists which remedies this problem.</a>
369: <p>
370:
1.27 benno 371: <li id="p026_strchr">
372: <strong>026: SECURITY FIX: July 25, 2021</strong>
373: <i>mips64</i>
374: <br>
375: On mips64, the strchr/index/strrchr/rindex functions in libc handled
376: signed characters incorrectly.
377: <br>
378: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/026_strchr.patch.sig">
379: A source code patch exists which remedies this problem.</a>
380: <p>
381:
1.28 benno 382: <li id="p027_vmparam">
383: <strong>027: RELIABILITY FIX: August 04, 2021</strong>
384: <i>sparc64</i>
385: <br>
386: A missaligned address could trigger a kernel assert and panic the kernel.
387: <br>
388: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/027_vmparam.patch.sig">
389: A source code patch exists which remedies this problem.</a>
390: <p>
391:
1.29 benno 392: <li id="p028_wg">
393: <strong>028: RELIABILITY FIX: August 11, 2021</strong>
394: <i>All architectures</i>
395: <br>
396: In a specific configuration, wg(4) leaked mbufs.
397: <br>
398: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/028_wg.patch.sig">
399: A source code patch exists which remedies this problem.</a>
400: <p>
401:
1.30 benno 402: <li id="p029_x509">
403: <strong>029: SECURITY FIX: August 20, 2021</strong>
404: <i>All architectures</i>
405: <br>
406: In LibreSSL, printing a certificate can result in a crash in
407: X509_CERT_AUX_print().
408: <br>
409: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/029_x509.patch.sig">
410: A source code patch exists which remedies this problem.</a>
411: <p>
412:
1.32 benno 413: <li id="030_sshd">
414: <strong>030: SECURITY FIX: September 27, 2021</strong>
415: <i>All architectures</i>
416: <br>
417: sshd(8) failed to clear supplemental groups when executing an
418: AuthorizedUsersCommand or AuthorizedPrincipalsCommand helper program.
419: <br>
420: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/030_sshd.patch.sig">
421: A source code patch exists which remedies this problem.</a>
422: <p>
423:
1.33 benno 424: <li id="031_x509">
425: <strong>031: SECURITY FIX: September 27, 2021</strong>
426: <i>All architectures</i>
427: <br>
1.35 tj 428: In libcrypto, part of LibreSSL, a stack overread could occur when
1.33 benno 429: checking X.509 name constraints.
430: <br>
431: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/031_x509.patch.sig">
432: A source code patch exists which remedies this problem.</a>
433: <p>
434:
1.34 benno 435: <li id="032_cert">
436: <strong>032: RELIABILITY FIX: September 30, 2021</strong>
437: <i>All architectures</i>
438: <br>
439: Compensate for the expiry of the DST Root X3 certificate.
440: <br>
441: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.8/common/032_cert.patch.sig">
442: A source code patch exists which remedies this problem.</a>
443: <p>
444:
1.1 deraadt 445: </ul>
446:
447: <hr>
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