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