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1.5 bentley 16: <h2 id=OpenBSD>
1.1 deraadt 17: <a href="index.html">
1.5 bentley 18: <i>Open</i><b>BSD</b></a>
19: 6.5 Errata
1.1 deraadt 20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
1.32 schwarze 24: <a href="errata20.html">2.0</a>,
1.1 deraadt 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>,
1.32 schwarze 40: <br>
1.1 deraadt 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>,
1.32 schwarze 57: <br>
1.1 deraadt 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>,
1.13 deraadt 70: <a href="errata64.html">6.4</a>,
1.33 deraadt 71: <a href="errata66.html">6.6</a>,
1.37 deraadt 72: <a href="errata67.html">6.7</a>,
1.38 deraadt 73: <a href="errata68.html">6.8</a>,
1.39 tj 74: <br>
1.40 ! deraadt 75: <a href="errata69.html">6.9</a>,
! 76: <a href="errata70.html">7.0</a>.
1.1 deraadt 77: <hr>
78:
79: <p>
80: Patches for the OpenBSD base system are distributed as unified diffs.
81: Each patch is cryptographically signed with the
82: <a href="https://man.openbsd.org/OpenBSD-6.5/signify.1">signify(1)</a> tool and contains
83: usage instructions.
84: All the following patches are also available in one
85: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5.tar.gz">tar.gz file</a>
86: for convenience.
87:
88: <p>
89: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
90: utility can be used to apply binary updates on the following architectures:
91: amd64, i386, arm64.
92:
93: <p>
94: Patches for supported releases are also incorporated into the
1.36 tj 95: <a href="stable.html">-stable branch</a>.
1.1 deraadt 96:
97: <hr>
98:
99: <ul>
100:
1.2 tj 101: <li id="p001_rip6cksum">
1.5 bentley 102: <strong>001: RELIABILITY FIX: May 3, 2019</strong>
1.2 tj 103: <i>All architectures</i>
104: <br>
105: If a userland program sets the IPv6 checksum offset on a raw socket,
106: an incoming packet could crash the kernel. ospf6d is such a program.
107: <br>
1.3 tj 108: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/001_rip6cksum.patch.sig">
1.2 tj 109: A source code patch exists which remedies this problem.</a>
110: <p>
1.1 deraadt 111:
1.4 tj 112: <li id="p002_srtp">
1.5 bentley 113: <strong>002: RELIABILITY FIX: May 16, 2019</strong>
1.4 tj 114: <i>All architectures</i>
115: <br>
116: LibreSSL servers did not provide an SRTP profile, so DTLS negotiation failed.
117: <br>
118: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/002_srtp.patch.sig">
119: A source code patch exists which remedies this problem.</a>
120: <p>
121:
1.6 tj 122: <li id="p003_mds">
123: <strong>003: SECURITY FIX: May 29, 2019</strong>
124: <i>amd64</i>
125: <br>
126: Intel CPUs have a cross privilege side-channel attack (MDS).
127: <br>
128: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/003_mds.patch.sig">
129: A source code patch exists which remedies this problem.</a>
130: <p>
131:
1.7 tj 132: <li id="p004_bgpd">
133: <strong>004: RELIABILITY FIX: June 10, 2019</strong>
134: <i>All architectures</i>
135: <br>
136: Several issues were corrected in bgpd: "network" statements with no fixed
137: prefix were incorrectly removed when configuration was reloaded, "export
138: default-route" did not work, and "network 0.0.0.0/0" could not be used
139: in some cases.
140: <br>
141: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/004_bgpd.patch.sig">
142: A source code patch exists which remedies these problems.</a>
143: <p>
144:
145: <li id="p005_libssl">
146: <strong>005: RELIABILITY FIX: June 10, 2019</strong>
147: <i>All architectures</i>
148: <br>
149: TLS handshakes fail if a client supporting TLS 1.3 tries to connect to
150: an OpenBSD server and sends a key share extension that does not include
151: X25519.
152: <br>
153: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/005_libssl.patch.sig">
154: A source code patch exists which remedies this problem.</a>
155: <p>
156:
1.8 tj 157: <li id="p006_tcpsack">
158: <strong>006: RELIABILITY FIX: July 25, 2019</strong>
159: <i>All architectures</i>
160: <br>
161: By creating long chains of TCP SACK holes, an attacker could possibly
162: slow down the system temporarily.
163: <br>
164: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/006_tcpsack.patch.sig">
165: A source code patch exists which remedies this problem.</a>
166: <p>
167:
1.9 tj 168: <li id="p007_smtpd">
169: <strong>007: RELIABILITY FIX: August 2, 2019</strong>
170: <i>All architectures</i>
171: <br>
172: smtpd can crash on excessively large input, causing a denial of service.
173: <br>
174: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/007_smtpd.patch.sig">
175: A source code patch exists which remedies this problem.</a>
176: <p>
177:
1.10 tj 178: <li id="p008_swapgs">
179: <strong>008: SECURITY FIX: August 9, 2019</strong>
180: <i>amd64</i>
181: <br>
182: Intel CPUs have another cross privilege side-channel attack. (SWAPGS)
183: <br>
184: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/008_swapgs.patch.sig">
185: A source code patch exists which remedies this problem.</a>
186: <p>
187:
1.11 tj 188: <li id="p009_resume">
189: <strong>009: RELIABILITY FIX: September 2, 2019</strong>
190: <i>amd64</i>
191: <br>
192: Resume forgot to restore MSR/PAT configuration.
193: <br>
194: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/009_resume.patch.sig">
195: A source code patch exists which remedies this problem.</a>
196: <p>
197:
198: <li id="p010_frag6ecn">
199: <strong>010: RELIABILITY FIX: September 2, 2019</strong>
1.16 tb 200: <i>All architectures</i>
1.11 tj 201: <br>
202: When processing ECN bits on incoming IPv6 fragments, the kernel
203: could crash. Per default pf fragment reassemble prevents the crash.
204: <br>
205: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/010_frag6ecn.patch.sig">
206: A source code patch exists which remedies this problem.</a>
207: <p>
208:
1.12 tj 209: <li id="p011_expat">
210: <strong>011: SECURITY FIX: September 14, 2019</strong>
211: <i>All architectures</i>
212: <br>
213: Libexpat 2.2.6 was affected by the heap overflow CVE-2019-15903.
214: <br>
215: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/011_expat.patch.sig">
216: A source code patch exists which remedies this problem.</a>
217: <p>
218:
1.14 tj 219: <li id="p012_sysupgrade">
220: <strong>012: RELIABILITY FIX: October 3, 2019</strong>
221: <i>All architectures</i>
222: <br>
223: The sysupgrade utility can be used to upgrade the system to the next
224: release or to a new snapshot.
225: <br>
226: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/012_sysupgrade.patch.sig">
227: A source code patch exists which adds this utility.</a>
228: <p>
229:
1.15 tj 230: <li id="p013_unbound">
231: <strong>013: RELIABILITY FIX: October 5, 2019</strong>
232: <i>All architectures</i>
233: <br>
234: Specially crafted queries may crash unwind and unbound.
235: <br>
236: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/013_unbound.patch.sig">
237: A source code patch exists which remedies this problem.</a>
238: <p>
239:
240: <li id="p014_dhcpd">
241: <strong>014: SECURITY FIX: October 5, 2019</strong>
242: <i>All architectures</i>
243: <br>
244: dhcpd leaks 4 bytes of stack to the network.
245: <br>
246: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/014_dhcpd.patch.sig">
247: A source code patch exists which remedies this problem.</a>
248: <p>
249:
1.17 tj 250: <li id="p015_net80211">
251: <strong>015: RELIABILITY FIX: November 16, 2019</strong>
252: <i>All architectures</i>
253: <br>
254: The kernel could crash due to a NULL pointer dereference in net80211.
255: <br>
256: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/015_net80211.patch.sig">
257: A source code patch exists which remedies this problem.</a>
258: <p>
259:
260: <li id="p016_sysupgrade">
261: <strong>016: RELIABILITY FIX: November 16, 2019</strong>
262: <i>All architectures</i>
263: <br>
264: A new kernel may require newer firmware images when using sysupgrade.
265: <br>
266: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/016_sysupgrade.patch.sig">
267: A source code patch exists which remedies this problem.</a>
268: <p>
269:
270: <li id="p017_ifioctl">
271: <strong>017: SECURITY FIX: November 16, 2019</strong>
272: <i>All architectures</i>
273: <br>
274: A regular user could change some network interface parameters due
275: to missing checks in the ioctl(2) system call.
276: <br>
277: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/017_ifioctl.patch.sig">
278: A source code patch exists which remedies this problem.</a>
279: <p>
280:
1.18 tj 281: <li id="p018_inteldrm">
282: <strong>018: SECURITY FIX: November 22, 2019</strong>
283: <i>i386 and amd64</i>
284: <br>
285: A local user could cause the system to hang by reading specific
286: registers when Intel Gen8/Gen9 graphics hardware is in a low power state.
287: A local user could perform writes to memory that should be blocked with
288: Intel Gen9 graphics hardware.
289: <br>
290: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/018_inteldrm.patch.sig">
291: A source code patch exists which remedies this problem.</a>
292: <p>
293:
294: <li id="p019_mesa">
295: <strong>019: SECURITY FIX: November 22, 2019</strong>
296: <i>All architectures</i>
297: <br>
298: Shared memory regions used by some Mesa drivers had permissions which
299: allowed others to access that memory.
300: <br>
301: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/019_mesa.patch.sig">
302: A source code patch exists which remedies this problem.</a>
303: <p>
304:
1.19 tb 305: <li id="p020_mesaxlock">
306: <strong>020: SECURITY FIX: December 4, 2019</strong>
307: <i>All architectures</i>
308: <br>
309: Environment-provided paths are used for dlopen() in mesa, resulting in
310: escalation to the auth group in xlock(1).
311: <br>
312: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/020_mesaxlock.patch.sig">
313: A source code patch exists which remedies this problem.</a>
314: <p>
315:
316: <li id="p021_libcauth">
317: <strong>021: SECURITY FIX: December 4, 2019</strong>
318: <i>All architectures</i>
319: <br>
320: libc's authentication layer performed insufficient username validation.
321: <br>
322: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/021_libcauth.patch.sig">
323: A source code patch exists which remedies this problem.</a>
324: <p>
325:
326: <li id="p022_xenodm">
327: <strong>022: SECURITY FIX: December 4, 2019</strong>
328: <i>All architectures</i>
329: <br>
330: xenodm uses the libc authentication layer incorrectly.
331: <br>
332: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/022_xenodm.patch.sig">
333: A source code patch exists which remedies this problem.</a>
334: <p>
335:
1.20 tj 336: <li id="p023_suauth">
337: <strong>023: SECURITY FIX: December 8, 2019</strong>
338: <i>All architectures</i>
339: <br>
340: A user can log in with a different user's login class.
341: <br>
342: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/023_suauth.patch.sig">
343: A source code patch exists which remedies this problem.</a>
344: <p>
345:
1.21 tj 346: <li id="p024_ldso">
347: <strong>024: SECURITY FIX: December 11, 2019</strong>
348: <i>All architectures</i>
349: <br>
350: ld.so may fail to remove the LD_LIBRARY_PATH environment variable for
351: set-user-ID and set-group-ID executables in low memory conditions.
352: <br>
353: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/024_ldso.patch.sig">
354: A source code patch exists which remedies this problem.</a>
355: <p>
356:
1.22 tj 357: <li id="p025_eret">
358: <strong>025: SECURITY FIX: December 18, 2019</strong>
359: <i>arm64</i>
360: <br>
361: ARM64 CPUs speculatively execute instructions after ERET.
362: <br>
363: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/025_eret.patch.sig">
364: A source code patch exists which remedies this problem.</a>
365: <p>
366:
1.23 tj 367: <li id="p026_ftp">
368: <strong>026: SECURITY FIX: December 20, 2019</strong>
369: <i>All architectures</i>
370: <br>
371: ftp(1) will follow remote redirects to local files.
372: <br>
373: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/026_ftp.patch.sig">
374: A source code patch exists which remedies this problem.</a>
375: <p>
376:
377: <li id="p027_ripd">
378: <strong>027: SECURITY FIX: December 20, 2019</strong>
379: <i>All architectures</i>
380: <br>
381: ripd(8) fails to validate authentication lengths.
382: <br>
383: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/027_ripd.patch.sig">
384: A source code patch exists which remedies this problem.</a>
385: <p>
386:
1.24 tj 387: <li id="p028_inteldrmctx">
388: <strong>028: SECURITY FIX: January 17, 2020</strong>
389: <i>i386 and amd64</i>
390: <br>
391: Execution Unit state was not cleared on context switch with Intel Gen9
392: graphics hardware.
393: <br>
394: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/028_inteldrmctx.patch.sig">
395: A source code patch exists which remedies this problem.</a>
396: <p>
397:
1.25 tj 398: <li id="p029_smtpd_tls">
399: <strong>029: RELIABILITY FIX: January 30, 2020</strong>
400: <i>All architectures</i>
401: <br>
402: smtpd can crash on opportunistic TLS downgrade, causing a denial of service.
403: <br>
404: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/029_smtpd_tls.patch.sig">
405: A source code patch exists which remedies this problem.</a>
406: <p>
407:
408: <li id="p030_smtpd_exec">
409: <strong>030: SECURITY FIX: January 30, 2020</strong>
410: <i>All architectures</i>
411: <br>
412: An incorrect check allows an attacker to trick mbox delivery into executing
413: arbitrary commands as root and lmtp delivery into executing arbitrary commands
414: as an unprivileged user.
415: <br>
416: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/030_smtpd_exec.patch.sig">
417: A source code patch exists which remedies this problem.</a>
418: <p>
419:
1.26 tj 420: <li id="p031_smtpd_envelope">
421: <strong>031: SECURITY FIX: February 24, 2020</strong>
422: <i>All architectures</i>
423: <br>
424: An out of bounds read in smtpd allows an attacker to inject arbitrary
425: commands into the envelope file which are then executed as root.
426: Separately, missing privilege revocation in smtpctl allows arbitrary
427: commands to be run with the _smtpq group.
428: <br>
429: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/031_smtpd_envelope.patch.sig">
430: A source code patch exists which remedies this problem.</a>
431: <p>
1.27 tj 432:
433: <li id="p032_sysctl">
434: <strong>032: RELIABILITY FIX: March 10, 2020</strong>
435: <i>All architectures</i>
436: <br>
437: Missing input validation in sysctl(2) can be used to crash the kernel.
438: <br>
439: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/032_sysctl.patch.sig">
440: A source code patch exists which remedies this problem.</a>
441: <p>
442:
1.28 tj 443: <li id="p033_sosplice">
444: <strong>033: RELIABILITY FIX: March 13, 2020</strong>
445: <i>All architectures</i>
446: <br>
447: Local outbound UDP broadcast or multicast packets sent by a spliced
448: socket can crash the kernel.
449: <br>
450: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/033_sosplice.patch.sig">
451: A source code patch exists which remedies this problem.</a>
452: <p>
453:
1.29 tj 454: <li id="p034_dhcpd">
455: <strong>034: SECURITY FIX: April 7, 2020</strong>
456: <i>All architectures</i>
457: <br>
458: dhcpd could reference freed memory after releasing a lease with an
459: unusually long uid.
460: <br>
461: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/034_dhcpd.patch.sig">
462: A source code patch exists which remedies this problem.</a>
463: <p>
464:
1.30 tj 465: <li id="p035_drm">
466: <strong>035: SECURITY FIX: April 19, 2020</strong>
467: <i>i386, amd64, arm64, loongson, macppc, sparc64</i>
468: <br>
1.31 tj 469: There was an incorrect test for root in the DRM Linux compatibility code.
1.30 tj 470: <br>
471: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/035_drm.patch.sig">
472: A source code patch exists which remedies this problem.</a>
473: <p>
474:
1.34 tj 475: <li id="p036_ospfd_lsa">
476: <strong>036: RELIABILITY FIX: May 10, 2020</strong>
477: <i>All architectures</i>
478: <br>
479: ospfd could generate corrupt OSPF Router (Type 1) LSAs in certain situations.
480: <br>
481: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/036_ospfd_lsa.patch.sig">
482: A source code patch exists which remedies this problem.</a>
483: <p>
484:
1.35 tj 485: <li id="p037_wscons">
486: <strong>037: SECURITY FIX: May 13, 2020</strong>
487: <i>All architectures</i>
488: <br>
489: An out-of-bounds index access in wscons(4) can cause a kernel crash.
490: <br>
491: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.5/common/037_wscons.patch.sig">
492: A source code patch exists which remedies this problem.</a>
493: <p>
494:
1.1 deraadt 495: </ul>
496:
497: <hr>
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