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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>,
! 77: <a href="errata71.html">7.1</a>.
1.1 tj 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
1.15 tb 83: <a href="https://man.openbsd.org/OpenBSD-6.1/signify.1">signify(1)</a> tool and contains
1.1 tj 84: usage instructions.
85: All the following patches are also available in one
86: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1.tar.gz">tar.gz file</a>
87: for convenience.
88:
89: <p>
1.32 tj 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:
1.35 tj 92: amd64, i386.
1.32 tj 93:
94: <p>
1.1 tj 95: Patches for supported releases are also incorporated into the
1.35 tj 96: <a href="stable.html">-stable branch</a>.
1.1 tj 97:
98: <hr>
99:
100: <ul>
101:
1.4 tj 102: <li id="p001_dhcpd">
1.39 bentley 103: <strong>001: INTEROPERABILITY FIX: May 2, 2017</strong>
1.4 tj 104: <i>All architectures</i>
105: <br>
106: dhcpd unconditionally echoed the client identifier, preventing some devices
1.5 tb 107: from acquiring a lease.
1.4 tj 108: <br>
109: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/001_dhcpd.patch.sig">
110: A source code patch exists which remedies this problem.</a>
111: <p>
112:
113: <li id="p002_vmmfpu">
1.39 bentley 114: <strong>002: SECURITY FIX: May 2, 2017</strong>
1.6 mlarkin 115: <i>amd64</i>
1.4 tj 116: <br>
117: vmm mismanaged floating point contexts.
118: <br>
119: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/002_vmmfpu.patch.sig">
120: A source code patch exists which remedies this problem.</a>
121: <p>
122:
123: <li id="p003_libressl">
1.39 bentley 124: <strong>003: SECURITY FIX: May 2, 2017</strong>
1.4 tj 125: <i>All architectures</i>
126: <br>
127: A consistency check error could cause programs to incorrectly verify
128: TLS certificates when using callbacks that always return 1.
129: <br>
130: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/003_libressl.patch.sig">
131: A source code patch exists which remedies this problem.</a>
132: <p>
133:
134: <li id="p004_softraid_concat">
1.39 bentley 135: <strong>004: RELIABILITY FIX: May 2, 2017</strong>
1.4 tj 136: <i>All architectures</i>
137: <br>
138: softraid was unable to create usable concat volumes because
139: it always set the size of the volume to zero sectors.
140: <br>
141: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/004_softraid_concat.patch.sig">
142: A source code patch exists which remedies this problem.</a>
143: <p>
1.1 tj 144:
1.7 tj 145: <li id="p005_pf_src_tracking">
1.39 bentley 146: <strong>005: RELIABILITY FIX: May 6, 2017</strong>
1.7 tj 147: <i>All architectures</i>
148: <br>
149: Expired pf source tracking entries never got removed, leading to
150: memory exhaustion.
151: <br>
152: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/005_pf_src_tracking.patch.sig">
153: A source code patch exists which remedies this problem.</a>
154: <p>
155:
1.8 tj 156: <li id="p006_libssl">
1.39 bentley 157: <strong>006: RELIABILITY FIX: May 8, 2017</strong>
1.8 tj 158: <i>All architectures</i>
159: <br>
160: Incorrect DTLS cookie handling can result in a NULL pointer dereference.
161: <br>
162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/006_libssl.patch.sig">
163: A source code patch exists which remedies this problem.</a>
164: <p>
165:
1.9 tj 166: <li id="p007_freetype">
1.39 bentley 167: <strong>007: SECURITY FIX: May 13, 2017</strong>
1.9 tj 168: <i>All architectures</i>
169: <br>
170: Heap-based buffer overflows in freetype can result in out-of-bounds writes.
171: <br>
172: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/007_freetype.patch.sig">
173: A source code patch exists which remedies this problem.</a>
174: <p>
175:
1.11 tj 176: <li id="p008_exec_subr">
1.39 bentley 177: <strong>008: SECURITY FIX: May 19, 2017</strong>
1.11 tj 178: <i>All architectures</i>
179: <br>
180: An additional mitigation is added by placing a gap of 1 MB between the
181: stack and mmap spaces.
182: <br>
183: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/008_exec_subr.patch.sig">
184: A source code patch exists which remedies this problem.</a>
185: <p>
186:
1.12 tj 187: <li id="p009_icmp_opts">
1.39 bentley 188: <strong>009: RELIABILITY FIX: May 22, 2017</strong>
1.12 tj 189: <i>All architectures</i>
190: <br>
1.14 tj 191: The kernel could leak memory when processing ICMP packets with IP options.
1.12 tj 192: Note that pf blocks such packets by default.
193: <br>
194: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/009_icmp_opts.patch.sig">
195: A source code patch exists which remedies this problem.</a>
196: <p>
197:
1.13 tj 198: <li id="p010_perl">
1.39 bentley 199: <strong>010: SECURITY FIX: June 4, 2017</strong>
1.13 tj 200: <i>All architectures</i>
201: <br>
202: A race condition exists in the File::Path perl module.
203: <br>
204: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/010_perl.patch.sig">
1.14 tj 205: A source code patch exists which remedies this problem.</a>
206: <p>
207:
208: <li id="p011_sti">
1.39 bentley 209: <strong>011: SECURITY FIX: June 12, 2017</strong>
1.14 tj 210: <i>hppa</i>
211: <br>
212: An integer overflow exists in two range checks of the sti(4) display driver.
213: <br>
214: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/011_sti.patch.sig">
215: A source code patch exists which remedies this problem.</a>
216: <p>
217:
218: <li id="p012_wsmux">
1.39 bentley 219: <strong>012: RELIABILITY FIX: June 12, 2017</strong>
1.14 tj 220: <i>All architectures</i>
221: <br>
222: An unprivileged user can cause a kernel crash.
223: <br>
224: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/012_wsmux.patch.sig">
1.13 tj 225: A source code patch exists which remedies this problem.</a>
226: <p>
227:
1.16 tj 228: <li id="p013_icmp6_linklocal">
1.39 bentley 229: <strong>013: RELIABILITY FIX: June 27, 2017</strong>
1.16 tj 230: <i>All architectures</i>
231: <br>
232: When pinging an IPv6 link-local address, the reflected packet had
233: ::1 as source address. The echo reply was ignored as it must be
234: from the link-local address.
235: <br>
236: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/013_icmp6_linklocal.patch.sig">
237: A source code patch exists which remedies this problem.</a>
238: <p>
239:
1.17 tj 240: <li id="p014_libcrypto">
1.39 bentley 241: <strong>014: RELIABILITY FIX: July 5, 2017</strong>
1.17 tj 242: <i>All architectures</i>
243: <br>
244: Self-issued certificates are improperly treated as self-signed certificates,
245: leading to possible verification failures.
246: <br>
247: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/014_libcrypto.patch.sig">
248: A source code patch exists which remedies this problem.</a>
249: <p>
250:
1.18 tj 251: <li id="p015_sigio">
1.39 bentley 252: <strong>015: RELIABILITY FIX: August 3, 2017</strong>
1.18 tj 253: <i>All architectures</i>
254: <br>
255: A SIGIO-related use-after-free can occur in two drivers.
256: <br>
257: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/015_sigio.patch.sig">
258: A source code patch exists which remedies this problem.</a>
259: <p>
260:
261: <li id="p016_sendsyslog">
1.39 bentley 262: <strong>016: RELIABILITY FIX: August 3, 2017</strong>
1.18 tj 263: <i>All architectures</i>
264: <br>
265: A missing length check in sendsyslog() may result in a kernel panic.
266: <br>
267: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/016_sendsyslog.patch.sig">
268: A source code patch exists which remedies this problem.</a>
269: <p>
270:
271: <li id="p017_fuse">
1.39 bentley 272: <strong>017: SECURITY FIX: August 3, 2017</strong>
1.18 tj 273: <i>All architectures</i>
274: <br>
275: An out-of-bound read in vfs_getcwd_scandir() (mainly used for FUSE)
276: may result in a kernel panic or info leak.
277: <br>
278: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/017_fuse.patch.sig">
279: A source code patch exists which remedies this problem.</a>
280: <p>
281:
282: <li id="p018_recv">
1.39 bentley 283: <strong>018: SECURITY FIX: August 3, 2017</strong>
1.18 tj 284: <i>All architectures</i>
285: <br>
286: An alignment issue in recv() may result in an info leak via ktrace().
287: <br>
288: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/018_recv.patch.sig">
289: A source code patch exists which remedies this problem.</a>
290: <p>
291:
292: <li id="p019_tcp_usrreq">
1.39 bentley 293: <strong>019: SECURITY FIX: August 3, 2017</strong>
1.18 tj 294: <i>All architectures</i>
295: <br>
296: With an invalid address family, tcp_usrreq() may take an unintended code path.
297: <br>
298: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/019_tcp_usrreq.patch.sig">
299: A source code patch exists which remedies this problem.</a>
300: <p>
301:
302: <li id="p020_sockaddr">
1.39 bentley 303: <strong>020: SECURITY FIX: August 3, 2017</strong>
1.18 tj 304: <i>All architectures</i>
305: <br>
306: Missing socket address validation from userland may result in an info leak.
307: <br>
308: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/020_sockaddr.patch.sig">
309: A source code patch exists which remedies this problem.</a>
310: <p>
311:
312: <li id="p021_ptrace">
1.39 bentley 313: <strong>021: SECURITY FIX: August 3, 2017</strong>
1.18 tj 314: <i>All architectures</i>
315: <br>
316: An uninitialized variable in ptrace() may result in an info leak.
317: <br>
318: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/021_ptrace.patch.sig">
319: A source code patch exists which remedies this problem.</a>
320: <p>
321:
322: <li id="p022_fcntl">
1.39 bentley 323: <strong>022: SECURITY FIX: August 3, 2017</strong>
1.18 tj 324: <i>All architectures</i>
325: <br>
326: An uninitialized variable in fcntl() may result in an info leak.
327: <br>
328: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/022_fcntl.patch.sig">
329: A source code patch exists which remedies this problem.</a>
330: <p>
331:
332: <li id="p023_wsdisplay">
1.39 bentley 333: <strong>023: RELIABILITY FIX: August 3, 2017</strong>
1.18 tj 334: <i>All architectures</i>
335: <br>
336: An integer overflow in wsdisplay_cfg_ioctl() may result in an out-of-bounds
337: read.
338: <br>
339: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/023_wsdisplay.patch.sig">
340: A source code patch exists which remedies this problem.</a>
341: <p>
342:
343: <li id="p024_sosplice">
1.39 bentley 344: <strong>024: SECURITY FIX: August 3, 2017</strong>
1.18 tj 345: <i>All architectures</i>
346: <br>
347: A race condition in sosplice() may result in a kernel memory leak.
348: <br>
349: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/024_sosplice.patch.sig">
350: A source code patch exists which remedies this problem.</a>
351: <p>
352:
353: <li id="p025_ieee80211">
1.39 bentley 354: <strong>025: SECURITY FIX: August 3, 2017</strong>
1.18 tj 355: <i>All architectures</i>
356: <br>
357: An out of bounds read could occur during processing of EAPOL frames in
358: the wireless stack. Information from kernel memory could be leaked to
359: root in userland via an ieee80211(9) ioctl.
360: <br>
361: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/025_ieee80211.patch.sig">
362: A source code patch exists which remedies this problem.</a>
363: <p>
364:
1.19 tj 365: <li id="p026_smap">
1.39 bentley 366: <strong>026: SECURITY FIX: August 26, 2017</strong>
1.19 tj 367: <i>amd64 and i386</i>
368: <br>
369: SMAP enforcement could be bypassed by userland code.
370: <br>
371: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/026_smap.patch.sig">
372: A source code patch exists which remedies this problem.</a>
373: <p>
374:
1.20 tj 375: <li id="p027_net80211_replay">
1.39 bentley 376: <strong>027: SECURITY FIX: August 30, 2017</strong>
1.20 tj 377: <i>All architectures</i>
378: <br>
379: State transition errors could cause reinstallation of old WPA keys.
380: <br>
381: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/027_net80211_replay.patch.sig">
382: A source code patch exists which remedies this problem.</a>
383: <p>
384:
1.21 tj 385: <li id="p028_perl">
1.39 bentley 386: <strong>028: SECURITY FIX: September 22, 2017</strong>
1.21 tj 387: <i>All architectures</i>
388: <br>
389: A buffer over-read and heap overflow in perl's regexp may result in
390: a crash or memory leak.
391: <br>
392: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/028_perl.patch.sig">
393: A source code patch exists which remedies this problem.</a>
394: <p>
395:
1.22 tj 396: <li id="p029_tcb">
1.39 bentley 397: <strong>029: RELIABILITY FIX: September 27, 2017</strong>
1.22 tj 398: <i>amd64</i>
399: <br>
400: Out of bounds TCB settings may result in a kernel panic.
401: <br>
402: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/029_tcb.patch.sig">
403: A source code patch exists which remedies this problem.</a>
404: <p>
405:
1.24 tj 406: <li id="p030_xrstor">
1.39 bentley 407: <strong>030: RELIABILITY FIX: October 4, 2017</strong>
1.24 tj 408: <i>amd64</i>
409: <br>
410: An unprivileged user can cause a kernel crash.
411: <br>
412: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/030_xrstor.patch.sig">
413: A source code patch exists which remedies this problem.</a>
414: <p>
415:
1.25 tj 416: <li id="p031_xrstor_resume">
1.39 bentley 417: <strong>031: SECURITY FIX: October 4, 2017</strong>
1.25 tj 418: <i>amd64</i>
419: <br>
420: A kernel executable address was leaked to userland.
421: <br>
1.26 tj 422: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/031_xrstor_resume.patch.sig">
1.25 tj 423: A source code patch exists which remedies this problem.</a>
424: <p>
425:
1.27 bluhm 426: <li id="p032_tcb_invalid">
1.39 bentley 427: <strong>032: RELIABILITY FIX: October 13, 2017</strong>
1.27 bluhm 428: <i>amd64</i>
429: <br>
430: A local user could trigger a kernel panic by using an invalid TCB value.
431: <br>
432: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/032_tcb_invalid.patch.sig">
433: A source code patch exists which remedies this problem.</a>
434: <p>
435:
1.29 tj 436: <li id="p033_mpls">
1.39 bentley 437: <strong>033: RELIABILITY FIX: December 10, 2017</strong>
1.29 tj 438: All architectures
439: <br>
440: A number of bugs were discovered in the MPLS stack that can be used to
441: remotely trigger a kernel panic.
442: <br>
443: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/033_mpls.patch.sig">
444: A source code patch exists which remedies this problem.</a>
445: <p>
446:
1.30 tj 447: <li id="p034_ahopts">
1.39 bentley 448: <strong>034: RELIABILITY FIX: February 2, 2018</strong>
1.30 tj 449: <i>All architectures</i>
450: <br>
451: Specially crafted IPsec AH packets with IP options or IPv6 extension
452: headers could crash or hang the kernel.
453: <br>
454: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/034_ahopts.patch.sig">
455: A source code patch exists which remedies this problem.</a>
456: <p>
457:
458: <li id="p035_prevhdr">
1.39 bentley 459: <strong>035: RELIABILITY FIX: February 2, 2018</strong>
1.30 tj 460: <i>All architectures</i>
461: <br>
462: Processing IPv6 fragments could incorrectly access memory of an mbuf
463: chain that is not within an mbuf. This may crash the kernel.
464: <br>
465: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/035_prevhdr.patch.sig">
466: A source code patch exists which remedies this problem.</a>
467: <p>
468:
469: <li id="p036_etherip">
1.39 bentley 470: <strong>036: SECURITY FIX: February 2, 2018</strong>
1.30 tj 471: <i>All architectures</i>
472: <br>
473: If the EtherIP tunnel protocol was disabled, IPv6 packets were not
474: discarded properly. This causes a double free in the kernel.
475: <br>
476: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/036_etherip.patch.sig">
477: A source code patch exists which remedies this problem.</a>
478: <p>
479:
1.31 tj 480: <li id="p037_meltdown">
1.39 bentley 481: <strong>037: SECURITY FIX: March 1, 2018</strong>
1.31 tj 482: <i>amd64</i>
483: <br>
484: Intel CPUs contain a speculative execution flaw called Meltdown which
485: allows userspace programs to access kernel memory.
486: <br>
487: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/037_meltdown.patch.sig">
488: A complex workaround solves the problem.</a>
489: <p>
490:
1.33 tj 491: <li id="p038_ahauth">
1.39 bentley 492: <strong>038: RELIABILITY FIX: March 20, 2018</strong>
1.33 tj 493: <i>All architectures</i>
494: <br>
495: The IPsec AH header could be longer than the network packet, resulting in
496: a kernel crash.
497: <br>
498: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/038_ahauth.patch.sig">
499: A source code patch exists which remedies this problem.</a>
500: <p>
501:
1.36 afresh1 502: <li id="p039_perl">
1.39 bentley 503: <strong>039: SECURITY FIX: April 14, 2018</strong>
1.36 afresh1 504: <i>All architectures</i>
505: <br>
506: Heap overflows exist in perl which can lead to segmentation faults,
507: crashes, and reading memory past the buffer.
508: <br>
509: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.1/common/039_perl.patch.sig">
510: A source code patch exists which remedies this problem.</a>
511: <p>
512:
1.1 tj 513: </ul>
514:
515: <hr>
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