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18: <i>Open</i><b>BSD</b></a>
19: 6.9 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>,
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>,
! 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-6.9/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/6.9.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
1.24 tj 96: <a href="stable.html">-stable branch</a>.
1.1 deraadt 97:
98: <hr>
99:
100: <ul>
101:
1.4 tb 102: <li id="p001_vmd">
1.3 bluhm 103: <strong>001: RELIABILITY FIX: May 4, 2021</strong>
104: <i>amd64</i>
105: <br>
106: vmd guests can trigger excessive log messages on the host by sending
107: certain network packets.
108: <br>
109: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/001_vmd.patch.sig">
110: A source code patch exists which remedies this problem.</a>
111: <p>
1.1 deraadt 112:
1.5 bluhm 113: <li id="p002_libx11">
114: <strong>002: SECURITY FIX: May 18, 2021</strong>
115: <i>All architectures</i>
116: <br>
117: Request length checks were missing in libX11.
118: <br>
119: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/002_libx11.patch.sig">
120: A source code patch exists which remedies this problem.</a>
121: <p>
122:
123: <li id="p003_vmd">
124: <strong>003: SECURITY FIX: May 18, 2021</strong>
125: <i>amd64</i>
126: <br>
127: vmd guest virtio drivers could cause stack overflows by crafting
128: invalid virtio descriptor lengths.
129: <br>
130: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/003_vmd.patch.sig">
131: A source code patch exists which remedies this problem.</a>
132: <p>
133:
1.6 bluhm 134: <li id="p004_net80211">
135: <strong>004: SECURITY FIX: May 21, 2021</strong>
136: <i>All architectures</i>
137: <br>
138: Insufficient validation of A-MSDUs and fragmented 802.11 frames could
139: be abused to inject arbitrary frames.
140: <br>
141: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/004_net80211.patch.sig">
142: A source code patch exists which remedies this problem.</a>
143: <p>
144:
1.7 bluhm 145: <li id="p005_pmapglobal">
146: <strong>005: RELIABILITY FIX: May 24, 2021</strong>
147: <i>amd64</i>
148: <br>
149: Recent Intel machines could crash or hang as global mappings were
150: not flushed from TLB.
151: <br>
152: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/005_pmapglobal.patch.sig">
153: A source code patch exists which remedies this problem.</a>
154: <p>
155:
1.8 bluhm 156: <li id="p006_cpuswitch">
157: <strong>006: RELIABILITY FIX: June 8, 2021</strong>
158: <i>amd64</i>
159: <br>
160: Recent Intel or any AMD machines could crash as the kernel did not
161: flush all TLBs that multi threaded processes require.
162: <br>
163: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/006_cpuswitch.patch.sig">
164: A source code patch exists which remedies this problem.</a>
165: <p>
166:
167: <li id="p007_inteldrm">
168: <strong>007: RELIABILITY FIX: June 8, 2021</strong>
169: <i>amd64, i386</i>
170: <br>
171: Disable PPGTT on Intel machines with cherryview/braswell graphics
172: to avoid memory corruption.
173: <br>
174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/007_inteldrm.patch.sig">
175: A source code patch exists which remedies this problem.</a>
176: <p>
177:
1.9 bluhm 178: <li id="p008_vmd">
179: <strong>008: SECURITY FIX: June 9, 2021</strong>
180: <i>amd64</i>
181: <br>
182: vmd guests could cause stack overflows by crafting malicious dhcp
183: requests when using local interfaces.
184: <br>
185: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/008_vmd.patch.sig">
186: A source code patch exists which remedies this problem.</a>
187: <p>
188:
1.10 benno 189: <li id="p009_bgpd">
1.14 benno 190: <strong>009: RELIABILITY FIX: June 25, 2021</strong>
1.10 benno 191: <i>All architectures</i>
192: <br>
1.16 benno 193: During config reloads of bgpd(8), prefixes of the wrong address family
194: could leak to peers resulting in session resets.
1.10 benno 195: <br>
196: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/009_bgpd.patch.sig">
197: A source code patch exists which remedies this problem.</a>
198: <p>
199:
1.11 benno 200: <li id="p010_relayd">
1.12 deraadt 201: <strong>010: SECURITY FIX: July 25, 2021</strong>
1.11 benno 202: <i>All architectures</i>
203: <br>
204: relayd(8), when using the the http protocol strip filter directive or http
205: protocol macro expansion, processes format strings.
206: <br>
207: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/010_relayd.patch.sig">
208: A source code patch exists which remedies this problem.</a>
209: <p>
210:
1.13 benno 211: <li id="p011_strchr">
212: <strong>011: SECURITY FIX: July 25, 2021</strong>
213: <i>mips64</i>
214: <br>
215: On mips64, the strchr/index/strrchr/rindex functions in libc handled
216: signed characters incorrectly.
217: <br>
218: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/011_strchr.patch.sig">
219: A source code patch exists which remedies this problem.</a>
220: <p>
221:
1.15 benno 222: <li id="p012_vmparam">
223: <strong>012: RELIABILITY FIX: August 04, 2021</strong>
224: <i>sparc64</i>
225: <br>
226: A missaligned address could trigger a kernel assert and panic the kernel.
227: <br>
228: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/012_vmparam.patch.sig">
229: A source code patch exists which remedies this problem.</a>
230: <p>
231:
1.17 benno 232: <li id="p013_wg">
233: <strong>013: RELIABILITY FIX: August 11, 2021</strong>
234: <i>All architectures</i>
235: <br>
236: In a specific configuration, wg(4) leaked mbufs.
237: <br>
238: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/013_wg.patch.sig">
239: A source code patch exists which remedies this problem.</a>
240: <p>
241:
1.18 benno 242: <li id="p014_perl">
243: <strong>014: SECURITY FIX: August 11, 2021</strong>
244: <i>All architectures</i>
245: <br>
246: perl(1) Encode (3p) loads a module from an incorrect relative path.
247: <br>
248: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/014_perl.patch.sig">
249: A source code patch exists which remedies this problem.</a>
250: <p>
251:
1.19 benno 252: <li id="p015_x509">
253: <strong>015: SECURITY FIX: August 20, 2021</strong>
254: <i>All architectures</i>
255: <br>
256: In LibreSSL, printing a certificate can result in a crash in
257: X509_CERT_AUX_print().
258: <br>
259: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/015_x509.patch.sig">
260: A source code patch exists which remedies this problem.</a>
261: <p>
262:
1.29 benno 263: <li id="p016_sshd">
1.21 benno 264: <strong>016: SECURITY FIX: September 27, 2021</strong>
265: <i>All architectures</i>
266: <br>
267: sshd(8) failed to clear supplemental groups when executing an
268: AuthorizedUsersCommand or AuthorizedPrincipalsCommand helper program.
269: <br>
270: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/016_sshd.patch.sig">
271: A source code patch exists which remedies this problem.</a>
272: <p>
273:
1.22 benno 274: <li id="017_x509">
275: <strong>017: SECURITY FIX: September 27, 2021</strong>
276: <i>All architectures</i>
277: <br>
1.25 tj 278: In libcrypto, part of LibreSSL, a stack overread could occur when
1.22 benno 279: checking X.509 name constraints.
280: <br>
281: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/017_x509.patch.sig">
282: A source code patch exists which remedies this problem.</a>
283: <p>
284:
1.29 benno 285: <li id="p018_cert">
1.23 benno 286: <strong>018: RELIABILITY FIX: September 30, 2021</strong>
287: <i>All architectures</i>
288: <br>
289: Compensate for the expiry of the DST Root X3 certificate.
290: <br>
291: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/018_cert.patch.sig">
292: A source code patch exists which remedies this problem.</a>
293: <p>
294:
1.29 benno 295: <li id="p019_bpf">
1.26 benno 296: <strong>019: RELIABILITY FIX: October 31, 2021</strong>
297: <i>All architectures</i>
298: <br>
1.28 tj 299: Opening /dev/bpf too often could lead to resource exhaustion.
1.26 benno 300: <br>
301: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/019_bpf.patch.sig">
302: A source code patch exists which remedies this problem.</a>
303: <p>
304:
1.29 benno 305: <li id="p020_uipc">
1.27 benno 306: <strong>020: SECURITY FIX: October 31, 2021</strong>
307: <i>All architectures</i>
308: <br>
309: The kernel could leak memory when closing unix sockets.
310: <br>
311: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/020_uipc.patch.sig">
312: A source code patch exists which remedies this problem.</a>
313: <p>
314:
1.30 benno 315: <li id="p021_rpki">
316: <strong>021: SECURITY FIX: November 9, 2021</strong>
317: <i>All architectures</i>
318: <br>
319: rpki-client(8) should handle CA misbehaviours as soft-errors.
320: <br>
321: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/021_rpki.patch.sig">
322: A source code patch exists which remedies this problem.</a>
323: <p>
324:
1.34 bluhm 325: <li id="p022_unpcon">
1.31 bluhm 326: <strong>022: RELIABILITY FIX: November 26, 2021</strong>
327: <i>All architectures</i>
328: <br>
329: An unprivileged user could crash the kernel by using UNIX-domain
330: sockets in multiple threads.
331: <br>
1.32 bluhm 332: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/022_unpcon.patch.sig">
1.31 bluhm 333: A source code patch exists which remedies this problem.</a>
334: <p>
335:
1.34 bluhm 336: <li id="p023_rpki">
1.33 bluhm 337: <strong>023: RELIABILITY FIX: December 7, 2021</strong>
338: <i>All architectures</i>
339: <br>
340: Errata 021 broke rpki-client(8) compatibility with bgpd(8)
341: <br>
342: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/023_rpki.patch.sig">
1.34 bluhm 343: A source code patch exists which remedies this problem.</a>
344: <p>
345:
346: <li id="p024_xserver">
347: <strong>024: SECURITY FIX: December 14, 2021</strong>
348: <i>All architectures</i>
349: <br>
350: Multiple input validation failures in the X server request parsing
351: code can lead to out of bounds memory accesses for authorized
352: clients.
353: <br>
354: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/024_xserver.patch.sig">
1.33 bluhm 355: A source code patch exists which remedies this problem.</a>
356: <p>
357:
1.35 bluhm 358: <li id="p025_mrt">
1.36 bluhm 359: <strong>025: SECURITY FIX: December 16, 2021</strong>
1.35 bluhm 360: <i>All architectures</i>
361: <br>
1.37 bluhm 362: If multicast routing is used, kernel memory is leaked to userland.
1.35 bluhm 363: <br>
364: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/025_mrt.patch.sig">
365: A source code patch exists which remedies this problem.</a>
366: <p>
367:
1.38 bluhm 368: <li id="p026_expat">
369: <strong>026: SECURITY FIX: January 19, 2022</strong>
370: <i>All architectures</i>
371: <br>
372: Fix 8 security issues in libexpat, all related to fixed-size integer
373: math (integer overflow and invalid shifts) near memory allocation.
374: <br>
375: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/026_expat.patch.sig">
376: A source code patch exists which remedies this problem.</a>
377: <p>
378:
1.39 bluhm 379: <li id="p027_ppctrap">
380: <strong>027: SECURITY FIX: January 24, 2022</strong>
381: <i>macppc</i>
382: <br>
383: On PowerPC kernel memory is leaked to userland.
384: <br>
385: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/027_ppctrap.patch.sig">
386: A source code patch exists which remedies this problem.</a>
387: <p>
388:
1.40 bluhm 389: <li id="p028_gpuflush">
390: <strong>028: RELIABILITY FIX: February 2, 2022</strong>
391: <i>amd64 i386</i>
392: <br>
393: Userspace controlled code on GPU can access kernel memory on Intel
394: gen 8 and later GPUs.
395: <br>
396: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/028_gpuflush.patch.sig">
397: A source code patch exists which remedies this problem.</a>
398: <p>
399:
400: <li id="p029_expat">
401: <strong>029: SECURITY FIX: February 2, 2022</strong>
402: <i>All architectures</i>
403: <br>
404: Fix two security issues in libexpat related to integer overflow.
405: <br>
406: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/029_expat.patch.sig">
407: A source code patch exists which remedies this problem.</a>
408: <p>
409:
1.41 bluhm 410: <li id="p030_slaacd">
411: <strong>030: SECURITY FIX: February 21, 2022</strong>
412: <i>All architectures</i>
413: <br>
414: More than 7 nameservers in an IPv6 router advertisement could crash slaacd.
415: <br>
416: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/030_slaacd.patch.sig">
417: A source code patch exists which remedies this problem.</a>
418: <p>
419:
1.42 bluhm 420: <li id="p031_expat">
421: <strong>031: SECURITY FIX: February 24, 2022</strong>
422: <i>All architectures</i>
423: <br>
424: Fix five security issues in libexpat related to encoding, stack
425: exhaustion, and integer overflow.
426: <br>
427: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/031_expat.patch.sig">
428: A source code patch exists which remedies this problem.</a>
429: <p>
430:
1.43 bluhm 431: <li id="p032_bignum">
432: <strong>032: SECURITY FIX: March 15, 2022</strong>
433: <i>All architectures</i>
434: <br>
435: A malicious certificate can cause an infinite loop.
436: <br>
437: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/032_bignum.patch.sig">
438: A source code patch exists which remedies this problem.</a>
439: <p>
440:
1.44 bluhm 441: <li id="p033_slaacd">
442: <strong>033: SECURITY FIX: March 22, 2022</strong>
443: <i>All architectures</i>
444: <br>
445: A malicious router advertisement could overflow heap memory in
446: unprivileged slaacd process.
447: <br>
448: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.9/common/033_slaacd.patch.sig">
449: A source code patch exists which remedies this problem.</a>
450: <p>
451:
1.1 deraadt 452: </ul>
453:
454: <hr>
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