CVE-2017-7482

Priority
Medium
Description
When a kerberos 5 ticket is being decoded so that it can be loaded into an
rxrpc-type key, there are several places in which the length of a
variable-length field is checked to make sure that it's not going to
overrun the available data - but the data is padded to the nearest
four-byte boundary and the code doesn't check for this extra. This could
lead to the size-remaining variable wrapping and the data pointer going
over the end of the buffer.
Ubuntu-Description
石磊 discovered that the RxRPC Kerberos 5 ticket handling code in the Linux
kernel did not properly verify metadata. A remote attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code.
References
Notes
 sbeattie> RxRPC is used for AFS
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):released (3.13.0-126.175~precise1)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (end-of-life)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):not-affected (4.4.0-1004.9)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
linux-vegetahd:needed
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):ignored (end-of-life)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Patches:
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1024.24)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Source: linux (LP Ubuntu Debian)
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):not-affected (4.11.0-10.15)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.13.0-16.19)
Ubuntu 12.04 ESM (Precise Pangolin):ignored (was needed ESM criteria)
Ubuntu 14.04 LTS (Trusty Tahr):released (3.13.0-126.175)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-89.112)
Ubuntu 17.04 (Zesty Zapus):released (4.10.0-30.34)
Patches:
Introduced by 17926a79320afa9b95df6b977b40cca6d8713ceaFixed by 5f2f97656ada8d811d3c1bef503ced266fcd53a0
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):ignored (end-of-life)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (abandoned)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):released (4.4.0-89.112~14.04.1)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):ignored (end-of-life)
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):not-affected (4.10.0-1004.4)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.11.0-13.19~16.04.1)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (abandoned)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):not-affected (4.11.0-1009.9)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (abandoned)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (was needed now end-of-life)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):not-affected (4.4.0-1002.2)
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1028.37)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):not-affected (4.10.0-1013.16)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.13.0-1005.5)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1067.75)
Ubuntu 17.04 (Zesty Zapus):released (4.10.0-1013.16)
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):not-affected (4.4.0-1069.74)
Ubuntu 18.04 LTS (Bionic Beaver):not-affected (4.4.0-1077.82)
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.4.0-1069.74)
Ubuntu 17.04 (Zesty Zapus):released (4.4.0-1069.74)
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):pending (4.13.0-1008.9)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (abandoned)
Ubuntu 16.04 LTS (Xenial Xerus):ignored (abandoned)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):ignored (was needed ESM criteria)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (end-of-life)
Ubuntu 16.04 LTS (Xenial Xerus):DNE
Ubuntu 17.04 (Zesty Zapus):DNE
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (abandoned)
Ubuntu 16.04 LTS (Xenial Xerus):needed
Ubuntu 17.04 (Zesty Zapus):needed
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):DNE
Ubuntu 16.04 LTS (Xenial Xerus):released (4.10.0-30.34~16.04.1)
Ubuntu 17.04 (Zesty Zapus):DNE
Package
linux-krillin:needed
Package
Upstream:released (4.12~rc7)
Ubuntu 17.10 (Artful Aardvark):DNE
Ubuntu 18.04 LTS (Bionic Beaver):DNE
Ubuntu 12.04 ESM (Precise Pangolin):DNE
Ubuntu 14.04 LTS (Trusty Tahr):ignored (abandoned)
Ubuntu 16.04 LTS (Xenial Xerus):ignored (abandoned)
Ubuntu 17.04 (Zesty Zapus):DNE
More Information

Updated: 2017-11-17 19:14:37 UTC (commit 13727)