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18: <i>Open</i><b>BSD</b></a>
19: 6.9 Errata
20: </h2>
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>,
73: <a href="errata67.html">6.7</a>,
1.2 tj 74: <br>
1.20 deraadt 75: <a href="errata68.html">6.8</a>,
1.45 deraadt 76: <a href="errata70.html">7.0</a>,
1.49 deraadt 77: <a href="errata71.html">7.1</a>,
1.50 tj 78: <a href="errata72.html">7.2</a>,
1.52 tj 79: <a href="errata73.html">7.3</a>,
1.53 ! 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-6.9/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/6.9.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
1.24 tj 100: <a href="stable.html">-stable branch</a>.
1.1 deraadt 101:
102: <hr>
103:
104: <ul>
105:
1.4 tb 106: <li id="p001_vmd">
1.3 bluhm 107: <strong>001: RELIABILITY FIX: May 4, 2021</strong>
108: <i>amd64</i>
109: <br>
110: vmd guests can trigger excessive log messages on the host by sending
111: certain network packets.
112: <br>
113: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/001_vmd.patch.sig">
114: A source code patch exists which remedies this problem.</a>
115: <p>
1.1 deraadt 116:
1.5 bluhm 117: <li id="p002_libx11">
118: <strong>002: SECURITY FIX: May 18, 2021</strong>
119: <i>All architectures</i>
120: <br>
121: Request length checks were missing in libX11.
122: <br>
123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/002_libx11.patch.sig">
124: A source code patch exists which remedies this problem.</a>
125: <p>
126:
127: <li id="p003_vmd">
128: <strong>003: SECURITY FIX: May 18, 2021</strong>
129: <i>amd64</i>
130: <br>
131: vmd guest virtio drivers could cause stack overflows by crafting
132: invalid virtio descriptor lengths.
133: <br>
134: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/003_vmd.patch.sig">
135: A source code patch exists which remedies this problem.</a>
136: <p>
137:
1.6 bluhm 138: <li id="p004_net80211">
139: <strong>004: SECURITY FIX: May 21, 2021</strong>
140: <i>All architectures</i>
141: <br>
142: Insufficient validation of A-MSDUs and fragmented 802.11 frames could
143: be abused to inject arbitrary frames.
144: <br>
145: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/004_net80211.patch.sig">
146: A source code patch exists which remedies this problem.</a>
147: <p>
148:
1.7 bluhm 149: <li id="p005_pmapglobal">
150: <strong>005: RELIABILITY FIX: May 24, 2021</strong>
151: <i>amd64</i>
152: <br>
153: Recent Intel machines could crash or hang as global mappings were
154: not flushed from TLB.
155: <br>
156: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/005_pmapglobal.patch.sig">
157: A source code patch exists which remedies this problem.</a>
158: <p>
159:
1.8 bluhm 160: <li id="p006_cpuswitch">
161: <strong>006: RELIABILITY FIX: June 8, 2021</strong>
162: <i>amd64</i>
163: <br>
164: Recent Intel or any AMD machines could crash as the kernel did not
165: flush all TLBs that multi threaded processes require.
166: <br>
167: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/006_cpuswitch.patch.sig">
168: A source code patch exists which remedies this problem.</a>
169: <p>
170:
171: <li id="p007_inteldrm">
172: <strong>007: RELIABILITY FIX: June 8, 2021</strong>
173: <i>amd64, i386</i>
174: <br>
175: Disable PPGTT on Intel machines with cherryview/braswell graphics
176: to avoid memory corruption.
177: <br>
178: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/007_inteldrm.patch.sig">
179: A source code patch exists which remedies this problem.</a>
180: <p>
181:
1.9 bluhm 182: <li id="p008_vmd">
183: <strong>008: SECURITY FIX: June 9, 2021</strong>
184: <i>amd64</i>
185: <br>
186: vmd guests could cause stack overflows by crafting malicious dhcp
187: requests when using local interfaces.
188: <br>
189: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/008_vmd.patch.sig">
190: A source code patch exists which remedies this problem.</a>
191: <p>
192:
1.10 benno 193: <li id="p009_bgpd">
1.14 benno 194: <strong>009: RELIABILITY FIX: June 25, 2021</strong>
1.10 benno 195: <i>All architectures</i>
196: <br>
1.16 benno 197: During config reloads of bgpd(8), prefixes of the wrong address family
198: could leak to peers resulting in session resets.
1.10 benno 199: <br>
200: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/009_bgpd.patch.sig">
201: A source code patch exists which remedies this problem.</a>
202: <p>
203:
1.11 benno 204: <li id="p010_relayd">
1.12 deraadt 205: <strong>010: SECURITY FIX: July 25, 2021</strong>
1.11 benno 206: <i>All architectures</i>
207: <br>
1.51 jsg 208: relayd(8), when using the http protocol strip filter directive or http
1.11 benno 209: protocol macro expansion, processes format strings.
210: <br>
211: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/010_relayd.patch.sig">
212: A source code patch exists which remedies this problem.</a>
213: <p>
214:
1.13 benno 215: <li id="p011_strchr">
216: <strong>011: SECURITY FIX: July 25, 2021</strong>
217: <i>mips64</i>
218: <br>
219: On mips64, the strchr/index/strrchr/rindex functions in libc handled
220: signed characters incorrectly.
221: <br>
222: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/011_strchr.patch.sig">
223: A source code patch exists which remedies this problem.</a>
224: <p>
225:
1.15 benno 226: <li id="p012_vmparam">
227: <strong>012: RELIABILITY FIX: August 04, 2021</strong>
228: <i>sparc64</i>
229: <br>
230: A missaligned address could trigger a kernel assert and panic the kernel.
231: <br>
232: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/012_vmparam.patch.sig">
233: A source code patch exists which remedies this problem.</a>
234: <p>
235:
1.17 benno 236: <li id="p013_wg">
237: <strong>013: RELIABILITY FIX: August 11, 2021</strong>
238: <i>All architectures</i>
239: <br>
240: In a specific configuration, wg(4) leaked mbufs.
241: <br>
242: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/013_wg.patch.sig">
243: A source code patch exists which remedies this problem.</a>
244: <p>
245:
1.18 benno 246: <li id="p014_perl">
247: <strong>014: SECURITY FIX: August 11, 2021</strong>
248: <i>All architectures</i>
249: <br>
250: perl(1) Encode (3p) loads a module from an incorrect relative path.
251: <br>
252: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/014_perl.patch.sig">
253: A source code patch exists which remedies this problem.</a>
254: <p>
255:
1.19 benno 256: <li id="p015_x509">
257: <strong>015: SECURITY FIX: August 20, 2021</strong>
258: <i>All architectures</i>
259: <br>
260: In LibreSSL, printing a certificate can result in a crash in
261: X509_CERT_AUX_print().
262: <br>
263: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/015_x509.patch.sig">
264: A source code patch exists which remedies this problem.</a>
265: <p>
266:
1.29 benno 267: <li id="p016_sshd">
1.21 benno 268: <strong>016: SECURITY FIX: September 27, 2021</strong>
269: <i>All architectures</i>
270: <br>
271: sshd(8) failed to clear supplemental groups when executing an
272: AuthorizedUsersCommand or AuthorizedPrincipalsCommand helper program.
273: <br>
274: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/016_sshd.patch.sig">
275: A source code patch exists which remedies this problem.</a>
276: <p>
277:
1.22 benno 278: <li id="017_x509">
279: <strong>017: SECURITY FIX: September 27, 2021</strong>
280: <i>All architectures</i>
281: <br>
1.25 tj 282: In libcrypto, part of LibreSSL, a stack overread could occur when
1.22 benno 283: checking X.509 name constraints.
284: <br>
285: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/017_x509.patch.sig">
286: A source code patch exists which remedies this problem.</a>
287: <p>
288:
1.29 benno 289: <li id="p018_cert">
1.23 benno 290: <strong>018: RELIABILITY FIX: September 30, 2021</strong>
291: <i>All architectures</i>
292: <br>
293: Compensate for the expiry of the DST Root X3 certificate.
294: <br>
295: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/018_cert.patch.sig">
296: A source code patch exists which remedies this problem.</a>
297: <p>
298:
1.29 benno 299: <li id="p019_bpf">
1.26 benno 300: <strong>019: RELIABILITY FIX: October 31, 2021</strong>
301: <i>All architectures</i>
302: <br>
1.28 tj 303: Opening /dev/bpf too often could lead to resource exhaustion.
1.26 benno 304: <br>
305: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/019_bpf.patch.sig">
306: A source code patch exists which remedies this problem.</a>
307: <p>
308:
1.29 benno 309: <li id="p020_uipc">
1.27 benno 310: <strong>020: SECURITY FIX: October 31, 2021</strong>
311: <i>All architectures</i>
312: <br>
313: The kernel could leak memory when closing unix sockets.
314: <br>
315: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/020_uipc.patch.sig">
316: A source code patch exists which remedies this problem.</a>
317: <p>
318:
1.30 benno 319: <li id="p021_rpki">
320: <strong>021: SECURITY FIX: November 9, 2021</strong>
321: <i>All architectures</i>
322: <br>
323: rpki-client(8) should handle CA misbehaviours as soft-errors.
324: <br>
325: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/021_rpki.patch.sig">
326: A source code patch exists which remedies this problem.</a>
327: <p>
328:
1.34 bluhm 329: <li id="p022_unpcon">
1.31 bluhm 330: <strong>022: RELIABILITY FIX: November 26, 2021</strong>
331: <i>All architectures</i>
332: <br>
333: An unprivileged user could crash the kernel by using UNIX-domain
334: sockets in multiple threads.
335: <br>
1.32 bluhm 336: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/022_unpcon.patch.sig">
1.31 bluhm 337: A source code patch exists which remedies this problem.</a>
338: <p>
339:
1.34 bluhm 340: <li id="p023_rpki">
1.33 bluhm 341: <strong>023: RELIABILITY FIX: December 7, 2021</strong>
342: <i>All architectures</i>
343: <br>
344: Errata 021 broke rpki-client(8) compatibility with bgpd(8)
345: <br>
346: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/023_rpki.patch.sig">
1.34 bluhm 347: A source code patch exists which remedies this problem.</a>
348: <p>
349:
350: <li id="p024_xserver">
351: <strong>024: SECURITY FIX: December 14, 2021</strong>
352: <i>All architectures</i>
353: <br>
354: Multiple input validation failures in the X server request parsing
355: code can lead to out of bounds memory accesses for authorized
356: clients.
357: <br>
358: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/024_xserver.patch.sig">
1.33 bluhm 359: A source code patch exists which remedies this problem.</a>
360: <p>
361:
1.35 bluhm 362: <li id="p025_mrt">
1.36 bluhm 363: <strong>025: SECURITY FIX: December 16, 2021</strong>
1.35 bluhm 364: <i>All architectures</i>
365: <br>
1.37 bluhm 366: If multicast routing is used, kernel memory is leaked to userland.
1.35 bluhm 367: <br>
368: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/025_mrt.patch.sig">
369: A source code patch exists which remedies this problem.</a>
370: <p>
371:
1.38 bluhm 372: <li id="p026_expat">
373: <strong>026: SECURITY FIX: January 19, 2022</strong>
374: <i>All architectures</i>
375: <br>
376: Fix 8 security issues in libexpat, all related to fixed-size integer
377: math (integer overflow and invalid shifts) near memory allocation.
378: <br>
379: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/026_expat.patch.sig">
380: A source code patch exists which remedies this problem.</a>
381: <p>
382:
1.39 bluhm 383: <li id="p027_ppctrap">
384: <strong>027: SECURITY FIX: January 24, 2022</strong>
385: <i>macppc</i>
386: <br>
387: On PowerPC kernel memory is leaked to userland.
388: <br>
389: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/027_ppctrap.patch.sig">
390: A source code patch exists which remedies this problem.</a>
391: <p>
392:
1.40 bluhm 393: <li id="p028_gpuflush">
394: <strong>028: RELIABILITY FIX: February 2, 2022</strong>
395: <i>amd64 i386</i>
396: <br>
397: Userspace controlled code on GPU can access kernel memory on Intel
398: gen 8 and later GPUs.
399: <br>
400: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/028_gpuflush.patch.sig">
401: A source code patch exists which remedies this problem.</a>
402: <p>
403:
404: <li id="p029_expat">
405: <strong>029: SECURITY FIX: February 2, 2022</strong>
406: <i>All architectures</i>
407: <br>
408: Fix two security issues in libexpat related to integer overflow.
409: <br>
410: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/029_expat.patch.sig">
411: A source code patch exists which remedies this problem.</a>
412: <p>
413:
1.41 bluhm 414: <li id="p030_slaacd">
415: <strong>030: SECURITY FIX: February 21, 2022</strong>
416: <i>All architectures</i>
417: <br>
418: More than 7 nameservers in an IPv6 router advertisement could crash slaacd.
419: <br>
420: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig">
421: A source code patch exists which remedies this problem.</a>
422: <p>
423:
1.42 bluhm 424: <li id="p031_expat">
425: <strong>031: SECURITY FIX: February 24, 2022</strong>
426: <i>All architectures</i>
427: <br>
428: Fix five security issues in libexpat related to encoding, stack
429: exhaustion, and integer overflow.
430: <br>
431: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/031_expat.patch.sig">
432: A source code patch exists which remedies this problem.</a>
433: <p>
434:
1.43 bluhm 435: <li id="p032_bignum">
436: <strong>032: SECURITY FIX: March 15, 2022</strong>
437: <i>All architectures</i>
438: <br>
439: A malicious certificate can cause an infinite loop.
440: <br>
441: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/032_bignum.patch.sig">
442: A source code patch exists which remedies this problem.</a>
443: <p>
444:
1.44 bluhm 445: <li id="p033_slaacd">
446: <strong>033: SECURITY FIX: March 22, 2022</strong>
447: <i>All architectures</i>
448: <br>
449: A malicious router advertisement could overflow heap memory in
450: unprivileged slaacd process.
451: <br>
452: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/033_slaacd.patch.sig">
453: A source code patch exists which remedies this problem.</a>
454: <p>
455:
1.46 bluhm 456: <li id="p034_zlib">
457: <strong>034: SECURITY FIX: April 1, 2022</strong>
458: <i>All architectures</i>
459: <br>
460: Memory corruption in zlib can lead to a crash.
461: <br>
462: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/034_zlib.patch.sig">
463: A source code patch exists which remedies this problem.</a>
464: <p>
465:
1.47 bluhm 466: <li id="p035_syszlib">
467: <strong>035: SECURITY FIX: April 5, 2022</strong>
468: <i>All architectures</i>
469: <br>
470: Fix zlib vulnerability in PPP and IPComp compression.
471: <br>
472: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/035_syszlib.patch.sig">
473: A source code patch exists which remedies this problem.</a>
474: <p>
475:
1.48 bluhm 476: <li id="p036_rpki">
477: <strong>036: RELIABILITY FIX: April 11, 2022</strong>
478: <i>All architectures</i>
479: <br>
480: rpki-client(8) handled time zones incorrectly.
481: <br>
482: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/036_rpki.patch.sig">
483: A source code patch exists which remedies this problem.</a>
484: <p>
485:
1.1 deraadt 486: </ul>
487:
488: <hr>
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