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1.39 bentley 16: <h2 id=OpenBSD>
1.1 tj 17: <a href="index.html">
1.39 bentley 18: <i>Open</i><b>BSD</b></a>
19: 6.1 Errata
1.1 tj 20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
1.41 schwarze 24: <a href="errata20.html">2.0</a>,
1.1 tj 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>,
1.41 schwarze 40: <br>
1.1 tj 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>,
1.41 schwarze 57: <br>
1.1 tj 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>,
1.23 deraadt 66: <a href="errata60.html">6.0</a>,
1.34 deraadt 67: <a href="errata62.html">6.2</a>,
1.37 deraadt 68: <a href="errata63.html">6.3</a>,
1.38 deraadt 69: <a href="errata64.html">6.4</a>,
1.40 deraadt 70: <a href="errata65.html">6.5</a>,
1.42 deraadt 71: <a href="errata66.html">6.6</a>,
1.43 deraadt 72: <a href="errata67.html">6.7</a>,
1.44 deraadt 73: <a href="errata68.html">6.8</a>,
1.45 tj 74: <br>
1.46 deraadt 75: <a href="errata69.html">6.9</a>,
1.47 deraadt 76: <a href="errata70.html">7.0</a>,
1.48 deraadt 77: <a href="errata71.html">7.1</a>,
1.49 tj 78: <a href="errata72.html">7.2</a>,
1.50 tj 79: <a href="errata73.html">7.3</a>,
1.51 ! tj 80: <a href="errata74.html">7.4</a>,
! 81: <a href="errata75.html">7.5</a>.
1.1 tj 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
1.15 tb 87: <a href="https://man.openbsd.org/OpenBSD-6.1/signify.1">signify(1)</a> tool and contains
1.1 tj 88: usage instructions.
89: All the following patches are also available in one
90: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1.tar.gz">tar.gz file</a>
91: for convenience.
92:
93: <p>
1.32 tj 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:
1.35 tj 96: amd64, i386.
1.32 tj 97:
98: <p>
1.1 tj 99: Patches for supported releases are also incorporated into the
1.35 tj 100: <a href="stable.html">-stable branch</a>.
1.1 tj 101:
102: <hr>
103:
104: <ul>
105:
1.4 tj 106: <li id="p001_dhcpd">
1.39 bentley 107: <strong>001: INTEROPERABILITY FIX: May 2, 2017</strong>
1.4 tj 108: <i>All architectures</i>
109: <br>
110: dhcpd unconditionally echoed the client identifier, preventing some devices
1.5 tb 111: from acquiring a lease.
1.4 tj 112: <br>
113: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/001_dhcpd.patch.sig">
114: A source code patch exists which remedies this problem.</a>
115: <p>
116:
117: <li id="p002_vmmfpu">
1.39 bentley 118: <strong>002: SECURITY FIX: May 2, 2017</strong>
1.6 mlarkin 119: <i>amd64</i>
1.4 tj 120: <br>
121: vmm mismanaged floating point contexts.
122: <br>
123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/002_vmmfpu.patch.sig">
124: A source code patch exists which remedies this problem.</a>
125: <p>
126:
127: <li id="p003_libressl">
1.39 bentley 128: <strong>003: SECURITY FIX: May 2, 2017</strong>
1.4 tj 129: <i>All architectures</i>
130: <br>
131: A consistency check error could cause programs to incorrectly verify
132: TLS certificates when using callbacks that always return 1.
133: <br>
134: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/003_libressl.patch.sig">
135: A source code patch exists which remedies this problem.</a>
136: <p>
137:
138: <li id="p004_softraid_concat">
1.39 bentley 139: <strong>004: RELIABILITY FIX: May 2, 2017</strong>
1.4 tj 140: <i>All architectures</i>
141: <br>
142: softraid was unable to create usable concat volumes because
143: it always set the size of the volume to zero sectors.
144: <br>
145: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/004_softraid_concat.patch.sig">
146: A source code patch exists which remedies this problem.</a>
147: <p>
1.1 tj 148:
1.7 tj 149: <li id="p005_pf_src_tracking">
1.39 bentley 150: <strong>005: RELIABILITY FIX: May 6, 2017</strong>
1.7 tj 151: <i>All architectures</i>
152: <br>
153: Expired pf source tracking entries never got removed, leading to
154: memory exhaustion.
155: <br>
156: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/005_pf_src_tracking.patch.sig">
157: A source code patch exists which remedies this problem.</a>
158: <p>
159:
1.8 tj 160: <li id="p006_libssl">
1.39 bentley 161: <strong>006: RELIABILITY FIX: May 8, 2017</strong>
1.8 tj 162: <i>All architectures</i>
163: <br>
164: Incorrect DTLS cookie handling can result in a NULL pointer dereference.
165: <br>
166: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/006_libssl.patch.sig">
167: A source code patch exists which remedies this problem.</a>
168: <p>
169:
1.9 tj 170: <li id="p007_freetype">
1.39 bentley 171: <strong>007: SECURITY FIX: May 13, 2017</strong>
1.9 tj 172: <i>All architectures</i>
173: <br>
174: Heap-based buffer overflows in freetype can result in out-of-bounds writes.
175: <br>
176: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/007_freetype.patch.sig">
177: A source code patch exists which remedies this problem.</a>
178: <p>
179:
1.11 tj 180: <li id="p008_exec_subr">
1.39 bentley 181: <strong>008: SECURITY FIX: May 19, 2017</strong>
1.11 tj 182: <i>All architectures</i>
183: <br>
184: An additional mitigation is added by placing a gap of 1 MB between the
185: stack and mmap spaces.
186: <br>
187: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig">
188: A source code patch exists which remedies this problem.</a>
189: <p>
190:
1.12 tj 191: <li id="p009_icmp_opts">
1.39 bentley 192: <strong>009: RELIABILITY FIX: May 22, 2017</strong>
1.12 tj 193: <i>All architectures</i>
194: <br>
1.14 tj 195: The kernel could leak memory when processing ICMP packets with IP options.
1.12 tj 196: Note that pf blocks such packets by default.
197: <br>
198: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/009_icmp_opts.patch.sig">
199: A source code patch exists which remedies this problem.</a>
200: <p>
201:
1.13 tj 202: <li id="p010_perl">
1.39 bentley 203: <strong>010: SECURITY FIX: June 4, 2017</strong>
1.13 tj 204: <i>All architectures</i>
205: <br>
206: A race condition exists in the File::Path perl module.
207: <br>
208: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/010_perl.patch.sig">
1.14 tj 209: A source code patch exists which remedies this problem.</a>
210: <p>
211:
212: <li id="p011_sti">
1.39 bentley 213: <strong>011: SECURITY FIX: June 12, 2017</strong>
1.14 tj 214: <i>hppa</i>
215: <br>
216: An integer overflow exists in two range checks of the sti(4) display driver.
217: <br>
218: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/011_sti.patch.sig">
219: A source code patch exists which remedies this problem.</a>
220: <p>
221:
222: <li id="p012_wsmux">
1.39 bentley 223: <strong>012: RELIABILITY FIX: June 12, 2017</strong>
1.14 tj 224: <i>All architectures</i>
225: <br>
226: An unprivileged user can cause a kernel crash.
227: <br>
228: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/012_wsmux.patch.sig">
1.13 tj 229: A source code patch exists which remedies this problem.</a>
230: <p>
231:
1.16 tj 232: <li id="p013_icmp6_linklocal">
1.39 bentley 233: <strong>013: RELIABILITY FIX: June 27, 2017</strong>
1.16 tj 234: <i>All architectures</i>
235: <br>
236: When pinging an IPv6 link-local address, the reflected packet had
237: ::1 as source address. The echo reply was ignored as it must be
238: from the link-local address.
239: <br>
240: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/013_icmp6_linklocal.patch.sig">
241: A source code patch exists which remedies this problem.</a>
242: <p>
243:
1.17 tj 244: <li id="p014_libcrypto">
1.39 bentley 245: <strong>014: RELIABILITY FIX: July 5, 2017</strong>
1.17 tj 246: <i>All architectures</i>
247: <br>
248: Self-issued certificates are improperly treated as self-signed certificates,
249: leading to possible verification failures.
250: <br>
251: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/014_libcrypto.patch.sig">
252: A source code patch exists which remedies this problem.</a>
253: <p>
254:
1.18 tj 255: <li id="p015_sigio">
1.39 bentley 256: <strong>015: RELIABILITY FIX: August 3, 2017</strong>
1.18 tj 257: <i>All architectures</i>
258: <br>
259: A SIGIO-related use-after-free can occur in two drivers.
260: <br>
261: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/015_sigio.patch.sig">
262: A source code patch exists which remedies this problem.</a>
263: <p>
264:
265: <li id="p016_sendsyslog">
1.39 bentley 266: <strong>016: RELIABILITY FIX: August 3, 2017</strong>
1.18 tj 267: <i>All architectures</i>
268: <br>
269: A missing length check in sendsyslog() may result in a kernel panic.
270: <br>
271: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/016_sendsyslog.patch.sig">
272: A source code patch exists which remedies this problem.</a>
273: <p>
274:
275: <li id="p017_fuse">
1.39 bentley 276: <strong>017: SECURITY FIX: August 3, 2017</strong>
1.18 tj 277: <i>All architectures</i>
278: <br>
279: An out-of-bound read in vfs_getcwd_scandir() (mainly used for FUSE)
280: may result in a kernel panic or info leak.
281: <br>
282: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/017_fuse.patch.sig">
283: A source code patch exists which remedies this problem.</a>
284: <p>
285:
286: <li id="p018_recv">
1.39 bentley 287: <strong>018: SECURITY FIX: August 3, 2017</strong>
1.18 tj 288: <i>All architectures</i>
289: <br>
290: An alignment issue in recv() may result in an info leak via ktrace().
291: <br>
292: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/018_recv.patch.sig">
293: A source code patch exists which remedies this problem.</a>
294: <p>
295:
296: <li id="p019_tcp_usrreq">
1.39 bentley 297: <strong>019: SECURITY FIX: August 3, 2017</strong>
1.18 tj 298: <i>All architectures</i>
299: <br>
300: With an invalid address family, tcp_usrreq() may take an unintended code path.
301: <br>
302: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/019_tcp_usrreq.patch.sig">
303: A source code patch exists which remedies this problem.</a>
304: <p>
305:
306: <li id="p020_sockaddr">
1.39 bentley 307: <strong>020: SECURITY FIX: August 3, 2017</strong>
1.18 tj 308: <i>All architectures</i>
309: <br>
310: Missing socket address validation from userland may result in an info leak.
311: <br>
312: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/020_sockaddr.patch.sig">
313: A source code patch exists which remedies this problem.</a>
314: <p>
315:
316: <li id="p021_ptrace">
1.39 bentley 317: <strong>021: SECURITY FIX: August 3, 2017</strong>
1.18 tj 318: <i>All architectures</i>
319: <br>
320: An uninitialized variable in ptrace() may result in an info leak.
321: <br>
322: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/021_ptrace.patch.sig">
323: A source code patch exists which remedies this problem.</a>
324: <p>
325:
326: <li id="p022_fcntl">
1.39 bentley 327: <strong>022: SECURITY FIX: August 3, 2017</strong>
1.18 tj 328: <i>All architectures</i>
329: <br>
330: An uninitialized variable in fcntl() may result in an info leak.
331: <br>
332: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/022_fcntl.patch.sig">
333: A source code patch exists which remedies this problem.</a>
334: <p>
335:
336: <li id="p023_wsdisplay">
1.39 bentley 337: <strong>023: RELIABILITY FIX: August 3, 2017</strong>
1.18 tj 338: <i>All architectures</i>
339: <br>
340: An integer overflow in wsdisplay_cfg_ioctl() may result in an out-of-bounds
341: read.
342: <br>
343: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/023_wsdisplay.patch.sig">
344: A source code patch exists which remedies this problem.</a>
345: <p>
346:
347: <li id="p024_sosplice">
1.39 bentley 348: <strong>024: SECURITY FIX: August 3, 2017</strong>
1.18 tj 349: <i>All architectures</i>
350: <br>
351: A race condition in sosplice() may result in a kernel memory leak.
352: <br>
353: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/024_sosplice.patch.sig">
354: A source code patch exists which remedies this problem.</a>
355: <p>
356:
357: <li id="p025_ieee80211">
1.39 bentley 358: <strong>025: SECURITY FIX: August 3, 2017</strong>
1.18 tj 359: <i>All architectures</i>
360: <br>
361: An out of bounds read could occur during processing of EAPOL frames in
362: the wireless stack. Information from kernel memory could be leaked to
363: root in userland via an ieee80211(9) ioctl.
364: <br>
365: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/025_ieee80211.patch.sig">
366: A source code patch exists which remedies this problem.</a>
367: <p>
368:
1.19 tj 369: <li id="p026_smap">
1.39 bentley 370: <strong>026: SECURITY FIX: August 26, 2017</strong>
1.19 tj 371: <i>amd64 and i386</i>
372: <br>
373: SMAP enforcement could be bypassed by userland code.
374: <br>
375: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/026_smap.patch.sig">
376: A source code patch exists which remedies this problem.</a>
377: <p>
378:
1.20 tj 379: <li id="p027_net80211_replay">
1.39 bentley 380: <strong>027: SECURITY FIX: August 30, 2017</strong>
1.20 tj 381: <i>All architectures</i>
382: <br>
383: State transition errors could cause reinstallation of old WPA keys.
384: <br>
385: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/027_net80211_replay.patch.sig">
386: A source code patch exists which remedies this problem.</a>
387: <p>
388:
1.21 tj 389: <li id="p028_perl">
1.39 bentley 390: <strong>028: SECURITY FIX: September 22, 2017</strong>
1.21 tj 391: <i>All architectures</i>
392: <br>
393: A buffer over-read and heap overflow in perl's regexp may result in
394: a crash or memory leak.
395: <br>
396: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/028_perl.patch.sig">
397: A source code patch exists which remedies this problem.</a>
398: <p>
399:
1.22 tj 400: <li id="p029_tcb">
1.39 bentley 401: <strong>029: RELIABILITY FIX: September 27, 2017</strong>
1.22 tj 402: <i>amd64</i>
403: <br>
404: Out of bounds TCB settings may result in a kernel panic.
405: <br>
406: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/029_tcb.patch.sig">
407: A source code patch exists which remedies this problem.</a>
408: <p>
409:
1.24 tj 410: <li id="p030_xrstor">
1.39 bentley 411: <strong>030: RELIABILITY FIX: October 4, 2017</strong>
1.24 tj 412: <i>amd64</i>
413: <br>
414: An unprivileged user can cause a kernel crash.
415: <br>
416: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/030_xrstor.patch.sig">
417: A source code patch exists which remedies this problem.</a>
418: <p>
419:
1.25 tj 420: <li id="p031_xrstor_resume">
1.39 bentley 421: <strong>031: SECURITY FIX: October 4, 2017</strong>
1.25 tj 422: <i>amd64</i>
423: <br>
424: A kernel executable address was leaked to userland.
425: <br>
1.26 tj 426: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/031_xrstor_resume.patch.sig">
1.25 tj 427: A source code patch exists which remedies this problem.</a>
428: <p>
429:
1.27 bluhm 430: <li id="p032_tcb_invalid">
1.39 bentley 431: <strong>032: RELIABILITY FIX: October 13, 2017</strong>
1.27 bluhm 432: <i>amd64</i>
433: <br>
434: A local user could trigger a kernel panic by using an invalid TCB value.
435: <br>
436: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/032_tcb_invalid.patch.sig">
437: A source code patch exists which remedies this problem.</a>
438: <p>
439:
1.29 tj 440: <li id="p033_mpls">
1.39 bentley 441: <strong>033: RELIABILITY FIX: December 10, 2017</strong>
1.29 tj 442: All architectures
443: <br>
444: A number of bugs were discovered in the MPLS stack that can be used to
445: remotely trigger a kernel panic.
446: <br>
447: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/033_mpls.patch.sig">
448: A source code patch exists which remedies this problem.</a>
449: <p>
450:
1.30 tj 451: <li id="p034_ahopts">
1.39 bentley 452: <strong>034: RELIABILITY FIX: February 2, 2018</strong>
1.30 tj 453: <i>All architectures</i>
454: <br>
455: Specially crafted IPsec AH packets with IP options or IPv6 extension
456: headers could crash or hang the kernel.
457: <br>
458: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/034_ahopts.patch.sig">
459: A source code patch exists which remedies this problem.</a>
460: <p>
461:
462: <li id="p035_prevhdr">
1.39 bentley 463: <strong>035: RELIABILITY FIX: February 2, 2018</strong>
1.30 tj 464: <i>All architectures</i>
465: <br>
466: Processing IPv6 fragments could incorrectly access memory of an mbuf
467: chain that is not within an mbuf. This may crash the kernel.
468: <br>
469: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/035_prevhdr.patch.sig">
470: A source code patch exists which remedies this problem.</a>
471: <p>
472:
473: <li id="p036_etherip">
1.39 bentley 474: <strong>036: SECURITY FIX: February 2, 2018</strong>
1.30 tj 475: <i>All architectures</i>
476: <br>
477: If the EtherIP tunnel protocol was disabled, IPv6 packets were not
478: discarded properly. This causes a double free in the kernel.
479: <br>
480: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/036_etherip.patch.sig">
481: A source code patch exists which remedies this problem.</a>
482: <p>
483:
1.31 tj 484: <li id="p037_meltdown">
1.39 bentley 485: <strong>037: SECURITY FIX: March 1, 2018</strong>
1.31 tj 486: <i>amd64</i>
487: <br>
488: Intel CPUs contain a speculative execution flaw called Meltdown which
489: allows userspace programs to access kernel memory.
490: <br>
491: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/037_meltdown.patch.sig">
492: A complex workaround solves the problem.</a>
493: <p>
494:
1.33 tj 495: <li id="p038_ahauth">
1.39 bentley 496: <strong>038: RELIABILITY FIX: March 20, 2018</strong>
1.33 tj 497: <i>All architectures</i>
498: <br>
499: The IPsec AH header could be longer than the network packet, resulting in
500: a kernel crash.
501: <br>
502: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/038_ahauth.patch.sig">
503: A source code patch exists which remedies this problem.</a>
504: <p>
505:
1.36 afresh1 506: <li id="p039_perl">
1.39 bentley 507: <strong>039: SECURITY FIX: April 14, 2018</strong>
1.36 afresh1 508: <i>All architectures</i>
509: <br>
510: Heap overflows exist in perl which can lead to segmentation faults,
511: crashes, and reading memory past the buffer.
512: <br>
513: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/039_perl.patch.sig">
514: A source code patch exists which remedies this problem.</a>
515: <p>
516:
1.1 tj 517: </ul>
518:
519: <hr>