Annotation of www/errata66.html, Revision 1.46
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17: <a href="index.html">
18: <i>Open</i><b>BSD</b></a>
19: 6.6 Errata
20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
1.21 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>,
1.21 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>,
1.21 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>,
70: <a href="errata64.html">6.4</a>,
1.22 deraadt 71: <a href="errata65.html">6.5</a>,
1.39 deraadt 72: <a href="errata67.html">6.7</a>,
1.41 deraadt 73: <a href="errata68.html">6.8</a>,
1.42 tj 74: <br>
1.43 deraadt 75: <a href="errata69.html">6.9</a>,
1.44 deraadt 76: <a href="errata70.html">7.0</a>,
1.45 deraadt 77: <a href="errata71.html">7.1</a>,
1.46 ! tj 78: <a href="errata72.html">7.2</a>,
! 79: <a href="errata73.html">7.3</a>.
1.1 deraadt 80: <hr>
81:
82: <p>
83: Patches for the OpenBSD base system are distributed as unified diffs.
84: Each patch is cryptographically signed with the
85: <a href="https://man.openbsd.org/OpenBSD-6.6/signify.1">signify(1)</a> tool and contains
86: usage instructions.
87: All the following patches are also available in one
88: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6.tar.gz">tar.gz file</a>
89: for convenience.
90:
91: <p>
92: Alternatively, the <a href="https://man.openbsd.org/syspatch">syspatch(8)</a>
93: utility can be used to apply binary updates on the following architectures:
94: amd64, i386, arm64.
95:
96: <p>
97: Patches for supported releases are also incorporated into the
1.40 tj 98: <a href="stable.html">-stable branch</a>.
1.1 deraadt 99:
100: <hr>
101:
102: <ul>
103:
1.2 tj 104: <li id="p001_bpf">
105: <strong>001: RELIABILITY FIX: October 28, 2019</strong>
106: <i>All architectures</i>
107: <br>
108: bpf(4) has a race condition during device removal.
109: <br>
110: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/001_bpf.patch.sig">
111: A source code patch exists which remedies this problem.</a>
112: <p>
113:
114: <li id="p002_ber">
115: <strong>002: RELIABILITY FIX: October 28, 2019</strong>
116: <i>All architectures</i>
117: <br>
118: Various third party applications may crash due to symbol collision.
119: <br>
120: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/002_ber.patch.sig">
121: A source code patch exists which remedies this problem.</a>
122: <p>
1.1 deraadt 123:
1.4 tj 124: <li id="p003_bgpd">
125: <strong>003: RELIABILITY FIX: October 31, 2019</strong>
126: <i>All architectures</i>
127: <br>
128: bgpd(8) can crash on nexthop changes or during startup in certain
129: configurations.
130: <br>
131: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/003_bgpd.patch.sig">
132: A source code patch exists which remedies this problem.</a>
133: <p>
134:
1.5 tj 135: <li id="p004_net80211">
136: <strong>004: RELIABILITY FIX: November 16, 2019</strong>
137: <i>All architectures</i>
138: <br>
139: The kernel could crash due to a NULL pointer dereference in net80211.
140: <br>
141: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/004_net80211.patch.sig">
142: A source code patch exists which remedies this problem.</a>
143: <p>
144:
145: <li id="p005_sysupgrade">
146: <strong>005: RELIABILITY FIX: November 16, 2019</strong>
147: <i>All architectures</i>
148: <br>
149: A new kernel may require newer firmware images when using sysupgrade.
150: <br>
151: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/005_sysupgrade.patch.sig">
152: A source code patch exists which remedies this problem.</a>
153: <p>
154:
155: <li id="p006_ifioctl">
156: <strong>006: SECURITY FIX: November 16, 2019</strong>
157: <i>All architectures</i>
158: <br>
159: A regular user could change some network interface parameters due
160: to missing checks in the ioctl(2) system call.
161: <br>
162: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/006_ifioctl.patch.sig">
163: A source code patch exists which remedies this problem.</a>
164: <p>
165:
1.6 tj 166: <li id="p007_inteldrm">
167: <strong>007: SECURITY FIX: November 22, 2019</strong>
168: <i>i386 and amd64</i>
169: <br>
170: A local user could cause the system to hang by reading specific
171: registers when Intel Gen8/Gen9 graphics hardware is in a low power state.
172: A local user could perform writes to memory that should be blocked with
173: Intel Gen9 graphics hardware.
174: <br>
175: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/007_inteldrm.patch.sig">
176: A source code patch exists which remedies this problem.</a>
177: <p>
178:
179: <li id="p008_mesa">
180: <strong>008: SECURITY FIX: November 22, 2019</strong>
181: <i>All architectures</i>
182: <br>
183: Shared memory regions used by some Mesa drivers had permissions which
184: allowed others to access that memory.
185: <br>
186: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/008_mesa.patch.sig">
187: A source code patch exists which remedies this problem.</a>
188: <p>
189:
1.7 tb 190: <li id="p009_mesaxlock">
191: <strong>009: SECURITY FIX: December 4, 2019</strong>
192: <i>All architectures</i>
193: <br>
194: Environment-provided paths are used for dlopen() in mesa, resulting in
195: escalation to the auth group in xlock(1).
196: <br>
197: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/009_mesaxlock.patch.sig">
198: A source code patch exists which remedies this problem.</a>
199: <p>
200:
201: <li id="p010_libcauth">
202: <strong>010: SECURITY FIX: December 4, 2019</strong>
203: <i>All architectures</i>
204: <br>
205: libc's authentication layer performed insufficient username validation.
206: <br>
207: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/010_libcauth.patch.sig">
208: A source code patch exists which remedies this problem.</a>
209: <p>
210:
211: <li id="p011_xenodm">
212: <strong>011: SECURITY FIX: December 4, 2019</strong>
213: <i>All architectures</i>
214: <br>
215: xenodm uses the libc authentication layer incorrectly.
216: <br>
217: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/011_xenodm.patch.sig">
218: A source code patch exists which remedies this problem.</a>
219: <p>
220:
1.8 tj 221: <li id="p012_suauth">
222: <strong>012: SECURITY FIX: December 8, 2019</strong>
223: <i>All architectures</i>
224: <br>
225: A user can log in with a different user's login class.
226: <br>
227: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/012_suauth.patch.sig">
228: A source code patch exists which remedies this problem.</a>
229: <p>
230:
1.9 tj 231: <li id="p013_ldso">
232: <strong>013: SECURITY FIX: December 11, 2019</strong>
233: <i>All architectures</i>
234: <br>
235: ld.so may fail to remove the LD_LIBRARY_PATH environment variable for
236: set-user-ID and set-group-ID executables in low memory conditions.
237: <br>
238: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/013_ldso.patch.sig">
239: A source code patch exists which remedies this problem.</a>
240: <p>
241:
1.10 tj 242: <li id="p014_eret">
243: <strong>014: SECURITY FIX: December 18, 2019</strong>
244: <i>arm64</i>
245: <br>
246: ARM64 CPUs speculatively execute instructions after ERET.
247: <br>
248: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/014_eret.patch.sig">
249: A source code patch exists which remedies this problem.</a>
250: <p>
251:
1.11 tj 252: <li id="p015_ftp">
253: <strong>015: SECURITY FIX: December 20, 2019</strong>
254: <i>All architectures</i>
255: <br>
256: ftp(1) will follow remote redirects to local files.
257: <br>
258: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/015_ftp.patch.sig">
259: A source code patch exists which remedies this problem.</a>
260: <p>
261:
262: <li id="p016_ripd">
263: <strong>016: SECURITY FIX: December 20, 2019</strong>
264: <i>All architectures</i>
265: <br>
266: ripd(8) fails to validate authentication lengths.
267: <br>
268: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/016_ripd.patch.sig">
269: A source code patch exists which remedies this problem.</a>
270: <p>
271:
1.12 tj 272: <li id="p017_inteldrmctx">
273: <strong>017: SECURITY FIX: January 17, 2020</strong>
274: <i>i386 and amd64</i>
275: <br>
276: Execution Unit state was not cleared on context switch with Intel Gen9
277: graphics hardware.
278: <br>
279: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/017_inteldrmctx.patch.sig">
280: A source code patch exists which remedies this problem.</a>
281: <p>
282:
1.13 tj 283: <li id="p018_smtpd_tls">
284: <strong>018: RELIABILITY FIX: January 30, 2020</strong>
285: <i>All architectures</i>
286: <br>
287: smtpd can crash on opportunistic TLS downgrade, causing a denial of service.
288: <br>
289: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/018_smtpd_tls.patch.sig">
290: A source code patch exists which remedies this problem.</a>
291: <p>
292:
293: <li id="p019_smtpd_exec">
294: <strong>019: SECURITY FIX: January 30, 2020</strong>
295: <i>All architectures</i>
296: <br>
297: An incorrect check allows an attacker to trick mbox delivery into executing
298: arbitrary commands as root and lmtp delivery into executing arbitrary commands
299: as an unprivileged user.
300: <br>
301: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/019_smtpd_exec.patch.sig">
302: A source code patch exists which remedies this problem.</a>
303: <p>
304:
1.14 tj 305: <li id="p020_vmm_pvclock">
306: <strong>020: SECURITY FIX: February 17, 2020</strong>
307: <i>amd64</i>
308: <br>
309: A missing range check in the vmm pvclock allows a guest to write
310: to host memory.
311: <br>
312: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/020_vmm_pvclock.patch.sig">
313: A source code patch exists which remedies this problem.</a>
314: <p>
315:
1.15 tj 316: <li id="p021_smtpd_envelope">
317: <strong>021: SECURITY FIX: February 24, 2020</strong>
318: <i>All architectures</i>
319: <br>
320: An out of bounds read in smtpd allows an attacker to inject arbitrary
321: commands into the envelope file which are then executed as root.
322: Separately, missing privilege revocation in smtpctl allows arbitrary
323: commands to be run with the _smtpq group.
324: <br>
325: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/021_smtpd_envelope.patch.sig">
326: A source code patch exists which remedies this problem.</a>
327: <p>
1.14 tj 328:
1.16 tj 329: <li id="p022_sysctl">
330: <strong>022: RELIABILITY FIX: March 10, 2020</strong>
331: <i>All architectures</i>
332: <br>
333: Missing input validation in sysctl(2) can be used to crash the kernel.
334: <br>
335: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/022_sysctl.patch.sig">
336: A source code patch exists which remedies this problem.</a>
337: <p>
338:
1.17 tj 339: <li id="p023_sosplice">
340: <strong>023: RELIABILITY FIX: March 13, 2020</strong>
341: <i>All architectures</i>
342: <br>
343: Local outbound UDP broadcast or multicast packets sent by a spliced
344: socket can crash the kernel.
345: <br>
346: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/023_sosplice.patch.sig">
347: A source code patch exists which remedies this problem.</a>
348: <p>
349:
1.18 tj 350: <li id="p024_dhcpd">
351: <strong>024: SECURITY FIX: April 7, 2020</strong>
352: <i>All architectures</i>
353: <br>
354: dhcpd could reference freed memory after releasing a lease with an
355: unusually long uid.
356: <br>
357: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/024_dhcpd.patch.sig">
358: A source code patch exists which remedies this problem.</a>
359: <p>
360:
1.19 tj 361: <li id="p025_drm">
362: <strong>025: SECURITY FIX: April 19, 2020</strong>
363: <i>i386, amd64, arm64, loongson, macppc, sparc64</i>
364: <br>
1.20 tj 365: There was an incorrect test for root in the DRM Linux compatibility code.
1.19 tj 366: <br>
367: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/025_drm.patch.sig">
368: A source code patch exists which remedies this problem.</a>
369: <p>
370:
1.23 tj 371: <li id="p026_ospfd_lsa">
372: <strong>026: RELIABILITY FIX: May 10, 2020</strong>
373: <i>All architectures</i>
374: <br>
375: ospfd could generate corrupt OSPF Router (Type 1) LSAs in certain situations.
376: <br>
377: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/026_ospfd_lsa.patch.sig">
378: A source code patch exists which remedies this problem.</a>
379: <p>
380:
1.24 tj 381: <li id="p027_wscons">
382: <strong>027: SECURITY FIX: May 13, 2020</strong>
383: <i>All architectures</i>
384: <br>
385: An out-of-bounds index access in wscons(4) can cause a kernel crash.
386: <br>
387: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/027_wscons.patch.sig">
388: A source code patch exists which remedies this problem.</a>
389: <p>
390:
1.26 tj 391: <li id="p028_unbound">
392: <strong>028: SECURITY FIX: May 22, 2020</strong>
1.25 tj 393: <i>All architectures</i>
394: <br>
395: Specially crafted queries may crash unbound and unwind.
396: Both can be tricked into amplifying an incoming query.
397: <br>
1.26 tj 398: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/028_unbound.patch.sig">
1.25 tj 399: A source code patch exists which remedies this problem.</a>
400: <p>
401:
1.27 tj 402: <li id="p029_perl">
403: <strong>029: SECURITY FIX: June 1, 2020</strong>
404: <i>All architectures</i>
405: <br>
406: Several problems in Perl's regular expression compiler could lead to
407: corruption of the intermediate language state of a compiled regular
408: expression.
409: <br>
410: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/029_perl.patch.sig">
411: A source code patch exists which remedies this problem.</a>
412: <p>
413:
1.28 tj 414: <li id="p030_hid">
415: <strong>030: SECURITY FIX: June 5, 2020</strong>
416: <i>All architectures</i>
417: <br>
418: Malicious HID descriptors could be misparsed.
419: <br>
420: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/030_hid.patch.sig">
421: A source code patch exists which remedies this problem.</a>
422: <p>
423:
1.29 tj 424: <li id="p031_asr">
425: <strong>031: RELIABILITY FIX: June 8, 2020</strong>
426: <i>All architectures</i>
427: <br>
428: libc's resolver could get into a corrupted state.
429: <br>
430: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/031_asr.patch.sig">
431: A source code patch exists which remedies this problem.</a>
432: <p>
433:
1.30 tj 434: <li id="p032_x509">
435: <strong>032: RELIABILITY FIX: June 11, 2020</strong>
436: <i>All architectures</i>
437: <br>
438: libcrypto may fail to build a valid certificate chain due to
439: expired untrusted issuer certificates.
440: <br>
441: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/032_x509.patch.sig">
442: A source code patch exists which remedies this problem.</a>
443: <p>
444:
1.31 tj 445: <li id="p033_shmget">
446: <strong>033: SECURITY FIX: July 9, 2020</strong>
447: <i>All architectures</i>
448: <br>
449: shmget IPC_STAT leaked some kernel data.
450: <br>
451: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/033_shmget.patch.sig">
452: A source code patch exists which remedies this problem.</a>
453: <p>
454:
1.32 tj 455: <li id="p034_tty">
456: <strong>034: RELIABILITY FIX: July 16, 2020</strong>
457: <i>All architectures</i>
458: <br>
459: tty subsystem abuse can impact performance badly.
460: <br>
461: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/034_tty.patch.sig">
462: A source code patch exists which remedies this problem.</a>
463: <p>
464:
1.33 tj 465: <li id="p035_tty">
466: <strong>035: RELIABILITY FIX: July 22, 2020</strong>
467: <i>All architectures</i>
468: <br>
469: Only pty devices need reprint delays.
470: <br>
471: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/035_tty.patch.sig">
472: A source code patch exists which remedies this problem.</a>
473: <p>
474:
1.34 bluhm 475: <li id="p036_iked">
476: <strong>036: SECURITY FIX: July 27, 2020</strong>
477: <i>All architectures</i>
478: <br>
479: In iked, incorrect use of EVP_PKEY_cmp allows an authentication bypass.
480: <br>
481: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/036_iked.patch.sig">
482: A source code patch exists which remedies this problem.</a>
483: <p>
484:
1.35 tj 485: <li id="p037_ximcp">
486: <strong>037: SECURITY FIX: July 31, 2020</strong>
487: <i>All architectures</i>
488: <br>
489: Malformed messages can cause heap corruption in the X Input Method
490: client implementation in libX11.
491: <br>
492: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/037_ximcp.patch.sig">
493: A source code patch exists which remedies this problem.</a>
494: <p>
495:
496: <li id="p038_dix">
497: <strong>038: SECURITY FIX: July 31, 2020</strong>
498: <i>All architectures</i>
499: <br>
500: Pixmaps inside the xserver were an info leak.
501: <br>
502: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/038_dix.patch.sig">
503: A source code patch exists which remedies this problem.</a>
504: <p>
505:
1.36 tj 506: <li id="p039_ximcp">
507: <strong>039: RELIABILITY FIX: August 7, 2020</strong>
508: <i>All architectures</i>
509: <br>
510: The recent security errata 037 broke X11 input methods.
511: <br>
512: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/039_ximcp.patch.sig">
513: A source code patch exists which remedies this problem.</a>
514: <p>
515:
1.37 tj 516: <li id="p040_xinitom">
517: <strong>040: SECURITY FIX: August 25, 2020</strong>
518: <i>All architectures</i>
519: <br>
520: An integer overflow in libX11 could lead to a double free.
521: Additionally fix a regression in ximcp.
522: <br>
523: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/040_xinitom.patch.sig">
524: A source code patch exists which remedies this problem.</a>
525: <p>
526:
527: <li id="p041_xserverlen">
528: <strong>041: SECURITY FIX: August 25, 2020</strong>
529: <i>All architectures</i>
530: <br>
531: Various X server extensions had deficient input validation.
532: <br>
533: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/041_xserverlen.patch.sig">
534: A source code patch exists which remedies this problem.</a>
535: <p>
536:
1.38 tj 537: <li id="p042_amdgpu">
538: <strong>042: SECURITY FIX: September 5, 2020</strong>
539: <i>amd64, arm64</i>
540: <br>
541: A buffer overflow was discovered in an amdgpu ioctl.
542: <br>
543: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.6/common/042_amdgpu.patch.sig">
544: A source code patch exists which remedies this problem.</a>
545: <p>
546:
1.1 deraadt 547: </ul>
548:
1.17 tj 549: <hr>
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