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