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