Annotation of www/errata64.html, Revision 1.38
1.19 bentley 1: <!doctype html>
2: <html lang=en id=errata>
3: <meta charset=utf-8>
4:
1.1 deraadt 5: <title>OpenBSD 6.4 Errata</title>
6: <meta name="description" content="the OpenBSD errata page">
7: <meta name="viewport" content="width=device-width, initial-scale=1">
8: <link rel="stylesheet" type="text/css" href="openbsd.css">
1.7 deraadt 9: <link rel="canonical" href="https://www.openbsd.org/errata64.html">
1.1 deraadt 10:
11: <!--
12: IMPORTANT REMINDER
13: IF YOU ADD A NEW ERRATUM, MAIL THE PATCH TO TECH AND ANNOUNCE
14: -->
15:
1.19 bentley 16: <h2 id=OpenBSD>
1.1 deraadt 17: <a href="index.html">
1.19 bentley 18: <i>Open</i><b>BSD</b></a>
19: 6.4 Errata
1.1 deraadt 20: </h2>
21: <hr>
22:
23: For errata on a certain release, click below:<br>
1.30 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>,
1.30 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>,
1.30 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>,
1.15 deraadt 69: <a href="errata63.html">6.3</a>,
1.27 deraadt 70: <a href="errata65.html">6.5</a>,
1.31 deraadt 71: <a href="errata66.html">6.6</a>,
1.32 deraadt 72: <a href="errata67.html">6.7</a>,
1.33 deraadt 73: <a href="errata68.html">6.8</a>,
1.34 tj 74: <br>
1.35 deraadt 75: <a href="errata69.html">6.9</a>,
1.36 deraadt 76: <a href="errata70.html">7.0</a>,
1.37 deraadt 77: <a href="errata71.html">7.1</a>,
1.38 ! 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
1.3 tb 85: <a href="https://man.openbsd.org/OpenBSD-6.4/signify.1">signify(1)</a> tool and contains
1.1 deraadt 86: usage instructions.
87: All the following patches are also available in one
88: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4.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
1.29 tj 98: <a href="stable.html">-stable branch</a>.
1.1 deraadt 99:
100: <hr>
101:
102: <ul>
103:
1.4 tj 104: <li id="p001_xserver">
1.19 bentley 105: <strong>001: SECURITY FIX: October 25, 2018</strong>
1.4 tj 106: <i>All architectures</i>
107: <br>
108: The Xorg X server incorrectly validates certain options, allowing arbitrary
109: files to be overwritten.
110: As an immediate (temporary) workaround, the Xorg binary can be disabled
111: by running: <code>chmod u-s /usr/X11R6/bin/Xorg</code>
112: <br>
113: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/001_xserver.patch.sig">
114: A source code patch exists which remedies this problem.</a>
115: <p>
1.1 deraadt 116:
1.5 tj 117: <li id="p002_syspatch">
1.19 bentley 118: <strong>002: RELIABILITY FIX: November 2, 2018</strong>
1.5 tj 119: <i>i386, amd64, arm64</i>
120: <br>
121: The syspatch utility incorrectly handles symbolic links.
122: <br>
123: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/002_syspatch.patch.sig">
124: A source code patch exists which remedies this problem.</a>
125: <p>
126:
1.6 tj 127: <li id="p003_portsmash">
1.19 bentley 128: <strong>003: SECURITY FIX: November 17, 2018</strong>
1.6 tj 129: <i>All architectures</i>
130: <br>
131: The portsmash vulnerability allows exfiltration of elliptic curve keys.
132: <br>
133: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/003_portsmash.patch.sig">
134: A source code patch exists which remedies this problem.</a>
135: <p>
136:
137: <li id="p004_lockf">
1.19 bentley 138: <strong>004: RELIABILITY FIX: November 17, 2018</strong>
1.6 tj 139: <i>All architectures</i>
140: <br>
141: A recent change to POSIX file locks could cause incorrect results
142: during lock acquisition.
143: <br>
144: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/004_lockf.patch.sig">
145: A source code patch exists which remedies this problem.</a>
146: <p>
147:
1.8 tj 148: <li id="p005_perl">
1.19 bentley 149: <strong>005: SECURITY FIX: November 29, 2018</strong>
1.8 tj 150: <i>All architectures</i>
151: <br>
152: Various overflows exist in perl.
153: <br>
154: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/005_perl.patch.sig">
155: A source code patch exists which remedies this problem.</a>
156: <p>
157:
158: <li id="p006_uipc">
1.19 bentley 159: <strong>006: RELIABILITY FIX: November 29, 2018</strong>
1.8 tj 160: <i>All architectures</i>
161: <br>
162: UNIX domain sockets leak kernel memory with MSG_PEEK on SCM_RIGHTS, or can
163: attempt excessive memory allocations leading to a crash.
164: <br>
165: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/006_uipc.patch.sig">
166: A source code patch exists which remedies this problem.</a>
167: <p>
168:
169: <li id="p007_smtpd">
1.19 bentley 170: <strong>007: RELIABILITY FIX: November 29, 2018</strong>
1.8 tj 171: <i>All architectures</i>
172: <br>
173: The mail.mda and mail.lmtp delivery agents were not reporting temporary
174: failures correctly, causing smtpd to bounce messages in some cases where
175: it should have retried them.
176: <br>
177: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/007_smtpd.patch.sig">
178: A source code patch exists which remedies this problem.</a>
179: <p>
180:
181: <li id="p008_qcow2">
1.19 bentley 182: <strong>008: RELIABILITY FIX: November 29, 2018</strong>
1.8 tj 183: <i>amd64 and i386</i>
184: <br>
185: Writing more than 4GB to a qcow2 volume corrupts the virtual disk.
186: <br>
187: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/008_qcow2.patch.sig">
188: A source code patch exists which remedies this problem.</a>
189: <p>
190:
1.9 tj 191: <li id="p009_recvwait">
1.19 bentley 192: <strong>009: RELIABILITY FIX: December 20, 2018</strong>
1.9 tj 193: <i>All architectures</i>
194: <br>
195: While recv(2) with the MSG_WAITALL flag was receiving control
196: messages from a socket, the kernel could panic.
197: <br>
198: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/009_recvwait.patch.sig">
199: A source code patch exists which remedies this problem.</a>
200: <p>
201:
1.10 tj 202: <li id="p010_pcbopts">
1.19 bentley 203: <strong>010: SECURITY FIX: December 22, 2018</strong>
1.10 tj 204: <i>All architectures</i>
205: <br>
206: The setsockopt(2) system call could overflow mbuf cluster kernel
207: memory by 4 bytes.
208: <br>
209: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/010_pcbopts.patch.sig">
210: A source code patch exists which remedies this problem.</a>
211: <p>
212:
1.11 tj 213: <li id="p011_mincore">
1.19 bentley 214: <strong>011: SECURITY FIX: January 27, 2019</strong>
1.11 tj 215: <i>All architectures</i>
216: <br>
217: The mincore() system call can be used to observe memory access patterns
218: of other processes.
219: <br>
220: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/011_mincore.patch.sig">
221: A source code patch exists which remedies this problem.</a>
222: <p>
223:
224: <li id="p012_nfs">
1.19 bentley 225: <strong>012: RELIABILITY FIX: January 27, 2019</strong>
1.11 tj 226: <i>All architectures</i>
227: <br>
228: Missing length checks in the NFS server and client can lead to crashes
229: and other errors.
230: <br>
231: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/012_nfs.patch.sig">
232: A source code patch exists which remedies this problem.</a>
233: <p>
234:
235: <li id="p013_unveil">
1.19 bentley 236: <strong>013: SECURITY FIX: January 27, 2019</strong>
1.11 tj 237: <i>All architectures</i>
238: <br>
239: The unveil() system call can leak memory.
240: <br>
241: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/013_unveil.patch.sig">
242: A source code patch exists which remedies this problem.</a>
243: <p>
244:
1.12 tj 245: <li id="p014_pf6frag">
1.19 bentley 246: <strong>014: SECURITY FIX: March 1, 2019</strong>
1.12 tj 247: <i>All architectures</i>
248: <br>
249: Fragmented IPv6 packets may be erroneously passed by pf or lead to a crash.
250: <br>
251: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/014_pf6frag.patch.sig">
252: A source code patch exists which remedies this problem.</a>
253: <p>
254:
1.13 tj 255: <li id="p015_pficmp">
1.19 bentley 256: <strong>015: SECURITY FIX: March 22, 2019</strong>
1.13 tj 257: <i>All architectures</i>
258: <br>
259: A state in pf could pass ICMP packets to a destination IP address
260: that did not match the state.
261: <br>
262: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/015_pficmp.patch.sig">
263: A source code patch exists which remedies this problem.</a>
264: <p>
265:
1.14 tj 266: <li id="p016_vmmints">
1.19 bentley 267: <strong>016: SECURITY FIX: March 27, 2019</strong>
1.14 tj 268: <i>amd64 and i386</i>
269: <br>
270: GDT and IDT limits were improperly restored during VMM context switches.
271: <br>
272: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/016_vmmints.patch.sig">
273: A source code patch exists which remedies this problem.</a>
274: <p>
275:
1.16 tj 276: <li id="p017_rip6cksum">
1.19 bentley 277: <strong>017: RELIABILITY FIX: May 3, 2019</strong>
1.16 tj 278: <i>All architectures</i>
279: <br>
280: If a userland program sets the IPv6 checksum offset on a raw socket,
281: an incoming packet could crash the kernel. ospf6d is such a program.
282: <br>
283: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/017_rip6cksum.patch.sig">
284: A source code patch exists which remedies this problem.</a>
285: <p>
286:
1.20 tj 287: <li id="p018_mds">
288: <strong>018: SECURITY FIX: May 29, 2019</strong>
289: <i>amd64</i>
290: <br>
291: Intel CPUs have a cross privilege side-channel attack (MDS).
292: <br>
293: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/018_mds.patch.sig">
294: A source code patch exists which remedies this problem.</a>
295: <p>
296:
1.21 tj 297: <li id="p019_tcpsack">
298: <strong>019: RELIABILITY FIX: July 25, 2019</strong>
1.22 tj 299: <i>All architectures</i>
1.21 tj 300: <br>
301: By creating long chains of TCP SACK holes, an attacker could possibly
302: slow down the system temporarily.
303: <br>
304: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/019_tcpsack.patch.sig">
305: A source code patch exists which remedies this problem.</a>
306: <p>
307:
1.23 tj 308: <li id="p020_smtpd">
309: <strong>020: RELIABILITY FIX: August 2, 2019</strong>
310: <i>All architectures</i>
311: <br>
312: smtpd can crash on excessively large input, causing a denial of service.
313: <br>
314: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/020_smtpd.patch.sig">
315: A source code patch exists which remedies this problem.</a>
316: <p>
317:
1.24 tj 318: <li id="p021_swapgs">
319: <strong>021: SECURITY FIX: August 9, 2019</strong>
320: <i>amd64</i>
321: <br>
322: Intel CPUs have another cross privilege side-channel attack. (SWAPGS)
323: <br>
324: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/021_swapgs.patch.sig">
325: A source code patch exists which remedies this problem.</a>
326: <p>
327:
1.25 tj 328: <li id="p022_resume">
329: <strong>022: RELIABILITY FIX: September 2, 2019</strong>
330: <i>amd64</i>
331: <br>
332: Resume forgot to restore MSR/PAT configuration.
333: <br>
334: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/022_resume.patch.sig">
335: A source code patch exists which remedies this problem.</a>
336: <p>
337:
338: <li id="p023_frag6ecn">
339: <strong>023: RELIABILITY FIX: September 2, 2019</strong>
340: <i>All architectures</i>
341: <br>
342: When processing ECN bits on incoming IPv6 fragments, the kernel
343: could crash. Per default pf fragment reassemble prevents the crash.
344: <br>
345: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/023_frag6ecn.patch.sig">
346: A source code patch exists which remedies this problem.</a>
347: <p>
348:
1.26 tj 349: <li id="p024_expat">
350: <strong>024: SECURITY FIX: September 14, 2019</strong>
351: <i>All architectures</i>
352: <br>
353: Libexpat 2.2.6 was affected by the heap overflow CVE-2019-15903.
354: <br>
355: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/024_expat.patch.sig">
356: A source code patch exists which remedies this problem.</a>
357: <p>
358:
1.28 tj 359: <li id="p025_unbound">
360: <strong>025: RELIABILITY FIX: October 5, 2019</strong>
361: <i>All architectures</i>
362: <br>
363: Specially crafted queries may crash unwind and unbound.
364: <br>
365: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/025_unbound.patch.sig">
366: A source code patch exists which remedies this problem.</a>
367: <p>
368:
369: <li id="p026_dhcpd">
370: <strong>026: SECURITY FIX: October 5, 2019</strong>
371: <i>All architectures</i>
372: <br>
373: dhcpd leaks 4 bytes of stack to the network.
374: <br>
375: <a href="https://ftp.openbsd.org/pub/OpenBSD/patches/6.4/common/026_dhcpd.patch.sig">
376: A source code patch exists which remedies this problem.</a>
377: <p>
378:
1.1 deraadt 379: </ul>
380:
381: <hr>
![[BACK]](/icons/back.gif){kind=icon}
Return to errata64.html CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / www