CVE-2006-1056

Severity

21%

Complexity

39%

Confidentiality

48%

Upgrade to Linux Kernel version 2.6.16.9 : http://www.kernel.org/

The Linux kernel before 2.6.16.9 and the FreeBSD kernel, when running on AMD64 and other 7th and 8th generation AuthenticAMD processors, only save/restore the FOP, FIP, and FDP x87 registers in FXSAVE/FXRSTOR when an exception is pending, which allows one process to determine portions of the state of floating point instructions of other processes, which can be leveraged to obtain sensitive information such as cryptographic keys. NOTE: this is the documented behavior of AMD64 processors, but it is inconsistent with Intel processors in a security-relevant fashion that was not addressed by the kernels.

Upgrade to Linux Kernel version 2.6.16.9 : http://www.kernel.org/

CVSS 2.0 Base Score 2.1. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (AV:L/AC:L/Au:N/C:P/I:N/A:N).

Overview

First reported 18 years ago

2006-04-20 10:02:00

Last updated 6 years ago

2018-10-30 16:26:00

Affected Software

FreeBSD

Linux Kernel 2.6.0

2.6.0

Linux Kernel 2.6 test1

2.6.0

Linux Kernel 2.6 test10

2.6.0

Linux Kernel 2.6 test11

2.6.0

Linux Kernel 2.6 test2

2.6.0

Linux Kernel 2.6 test3

2.6.0

Linux Kernel 2.6 test4

2.6.0

Linux Kernel 2.6 test5

2.6.0

Linux Kernel 2.6 test6

2.6.0

Linux Kernel 2.6 test7

2.6.0

Linux Kernel 2.6 test8

2.6.0

Linux Kernel 2.6 test9

2.6.0

Linux Kernel 2.6.1

2.6.1

Linux Kernel 2.6.1 Release Candidate 1

2.6.1

Linux Kernel 2.6.1 Release Candidate 2

2.6.1

Linux Kernel 2.6.1 Release Candidate 3

2.6.1

Linux Kernel 2.6.2

2.6.2

Linux Kernel 2.6.2 Release Candidate 1

2.6.2

Linux Kernel 2.6.2 Release Candidate 2

2.6.2

Linux Kernel 2.6.2 Release Candidate 3

2.6.2

Linux Kernel 2.6.3

2.6.3

Linux Kernel 2.6.3 Release Candidate 1

2.6.3

Linux Kernel 2.6.3 Release Candidate 2

2.6.3

Linux Kernel 2.6.3 Release Candidate 3

2.6.3

Linux Kernel 2.6.3 Release Candidate 4

2.6.3

Linux Kernel 2.6.4

2.6.4

Linux Kernel 2.6.4 Release Candidate 1

2.6.4

Linux Kernel 2.6.4 Release Candidate 2

2.6.4

Linux Kernel 2.6.4 Release Candidate 3

2.6.4

Linux Kernel 2.6.5

2.6.5

Linux Kernel 2.6.5 Release Candidate 1

2.6.5

Linux Kernel 2.6.5 Release Candidate 2

2.6.5

Linux Kernel 2.6.5 Release Candidate 3

2.6.5

Linux Kernel 2.6.6

2.6.6

Linux Kernel 2.6.6 Release Candidate 1

2.6.6

Linux Kernel 2.6.6 Release Candidate 2

2.6.6

Linux Kernel 2.6.6 Release Candidate 3

2.6.6

Linux Kernel 2.6.7

2.6.7

Linux Kernel 2.6.7 Release Candidate 1

2.6.7

Linux Kernel 2.6.7 Release Candidate 2

2.6.7

Linux Kernel 2.6.7 Release Candidate 3

2.6.7

Linux Kernel 2.6.8

2.6.8

Linux Kernel 2.6.8 Release Candidate 1

2.6.8

Linux Kernel 2.6.8 Release Candidate 2

2.6.8

Linux Kernel 2.6.8 Release Candidate 3

2.6.8

Linux Kernel 2.6.8 Release Candidate 4

2.6.8

Linux Kernel 2.6.9

2.6.9

Linux Kernel 2.6.9 Release Candidate 1

2.6.9

Linux Kernel 2.6.9 Release Candidate 2

2.6.9

Linux Kernel 2.6.9 Release Candidate 3

2.6.9

Linux Kernel 2.6.9 Release Candidate 4

2.6.9

Linux Kernel 2.6.10

2.6.10

Linux Kernel 2.6.10 Release Candidate 1

2.6.10

Linux Kernel 2.6.10 Release Candidate 2

2.6.10

Linux Kernel 2.6.10 Release Candidate 3

2.6.10

Linux Kernel 2.6.11

2.6.11

Linux Kernel 2.6.11 Release Candidate 1

2.6.11

Linux Kernel 2.6.11 Release Candidate 2

2.6.11

Linux Kernel 2.6.11 Release Candidate 3

2.6.11

Linux Kernel 2.6.11 Release Candidate 4

2.6.11

Linux Kernel 2.6.11 Release Candidate 5

2.6.11

Linux Kernel 2.6.11.1

2.6.11.1

Linux Kernel 2.6.11.2

2.6.11.2

Linux Kernel 2.6.11.3

2.6.11.3

Linux Kernel 2.6.11.4

2.6.11.4

Linux Kernel 2.6.11.5

2.6.11.5

Linux Kernel 2.6.11.6

2.6.11.6

Linux Kernel 2.6.11.7

2.6.11.7

Linux Kernel 2.6.11.8

2.6.11.8

Linux Kernel 2.6.11.9

2.6.11.9

Linux Kernel 2.6.11.10

2.6.11.10

Linux Kernel 2.6.11.11

2.6.11.11

Linux Kernel 2.6.11.12

2.6.11.12

Linux Kernel 2.6.12 Release Candidate 1

2.6.12

Linux Kernel 2.6.12 Release Candidate 2

2.6.12

Linux Kernel 2.6.12 Release Candidate 3

2.6.12

Linux Kernel 2.6.12 Release Candidate 4

2.6.12

Linux Kernel 2.6.12 Release Candidate 5

2.6.12

Linux Kernel 2.6.12 Release Candidate 6

2.6.12

Linux Kernel 2.6.12.1

2.6.12.1

Linux Kernel 2.6.12.2

2.6.12.2

Linux Kernel 2.6.12.3

2.6.12.3

Linux Kernel 2.6.12.4

2.6.12.4

Linux Kernel 2.6.12.5

2.6.12.5

Linux Kernel 2.6.12.6

2.6.12.6

Linux Kernel 2.6.13

2.6.13

Linux Kernel 2.6.13 Release Candidate 1

2.6.13

Linux Kernel 2.6.13 Release Candidate 2

2.6.13

Linux Kernel 2.6.13 Release Candidate 3

2.6.13

Linux Kernel 2.6.13 Release Candidate 4

2.6.13

Linux Kernel 2.6.13 Release Candidate 5

2.6.13

Linux Kernel 2.6.13 Release Candidate 6

2.6.13

Linux Kernel 2.6.13 Release Candidate 7

2.6.13

Linux Kernel 2.6.13.1

2.6.13.1

Linux Kernel 2.6.13.2

2.6.13.2

Linux Kernel 2.6.13.3

2.6.13.3

Linux Kernel 2.6.13.4

2.6.13.4

Linux Kernel 2.6.14

2.6.14

Linux Kernel 2.6.14 Release Candidate 1

2.6.14

Linux Kernel 2.6.14 Release Candidate 2

2.6.14

Linux Kernel 2.6.14 Release Candidate 3

2.6.14

Linux Kernel 2.6.14 Release Candidate 4

2.6.14

Linux Kernel 2.6.14 Release Candidate 5

2.6.14

Linux Kernel 2.6.14.1

2.6.14.1

Linux Kernel 2.6.14.2

2.6.14.2

Linux Kernel 2.6.14.3

2.6.14.3

Linux Kernel 2.6.14.4

2.6.14.4

Linux Kernel 2.6.14.5

2.6.14.5

Linux Kernel 2.6.14.6

2.6.14.6

Linux Kernel 2.6.14.7

2.6.14.7

Linux Kernel 2.6.15

2.6.15

Linux Kernel 2.6.15 Release Candidate 1

2.6.15

Linux Kernel 2.6.15 Release Candidate 3

2.6.15

Linux Kernel 2.6.15 Release Candidate 4

2.6.15

Linux Kernel 2.6.15 Release Candidate 5

2.6.15

Linux Kernel 2.6.15 Release Candidate 6

2.6.15

Linux Kernel 2.6.15 Release Candidate 7

2.6.15

Linux Kernel 2.6.15.1

2.6.15.1

Linux Kernel 2.6.15.2

2.6.15.2

Linux Kernel 2.6.15.3

2.6.15.3

Linux Kernel 2.6.15.4

2.6.15.4

Linux Kernel 2.6.15.5

2.6.15.5

Linux Kernel 2.6.15.6

2.6.15.6

Linux Kernel 2.6.15.7

2.6.15.7

Linux Kernel 2.6.16

2.6.16

Linux Kernel 2.6.16 Release Candidate 1

2.6.16

Linux Kernel 2.6.16 Release Candidate 2

2.6.16

Linux Kernel 2.6.16 Release Candidate 3

2.6.16

Linux Kernel 2.6.16 Release Candidate 4

2.6.16

Linux Kernel 2.6.16 Release Candidate 5

2.6.16

Linux Kernel 2.6.16 Release Candidate 6

2.6.16

Linux Kernel 2.6.16.1

2.6.16.1

Linux Kernel 2.6.16.2

2.6.16.2

Linux Kernel 2.6.16.3

2.6.16.3

Linux Kernel 2.6.16.4

2.6.16.4

Linux Kernel 2.6.16.5

2.6.16.5

Linux Kernel 2.6.16.6

2.6.16.6

Linux Kernel 2.6.16.7

2.6.16.7

Linux Kernel

References

FreeBSD-SA-06:14

http://kb.vmware.com/kb/2533126

http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.9

SUSE-SU-2014:0446

FEDORA-2006-423

[linux-kernel] 20060419 RE: Linux 2.6.16.9

19715

Patch, Vendor Advisory

19724

Patch, Vendor Advisory

19735

Vendor Advisory

20398

Vendor Advisory

20671

Vendor Advisory

20716

Vendor Advisory

20914

Vendor Advisory

21035

Vendor Advisory

21136

Vendor Advisory

21465

Vendor Advisory

21983

Vendor Advisory

22417

Vendor Advisory

22875

Vendor Advisory

22876

Vendor Advisory

http://security.freebsd.org/advisories/FreeBSD-SA-06:14-amd.txt

1015966

http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm

http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm

DSA-1097

DSA-1103

SUSE-SA:2006:028

24746

24807

RHSA-2006:0437

RHSA-2006:0575

RHSA-2006:0579

20060419 FreeBSD Security Advisory FreeBSD-SA-06:14.fpu

20061113 VMSA-2006-0006 - VMware ESX Server 2.5.3 Upgrade Patch 4

20061113 VMSA-2006-0007 - VMware ESX Server 2.1.3 Upgrade Patch 2

20061113 VMSA-2006-0005 - VMware ESX Server 2.5.4 Upgrade Patch 1

20061113 VMSA-2006-0009 - VMware ESX Server 3.0.0 AMD fxsave/restore issue

17600

Patch

USN-302-1

http://www.vmware.com/download/esx/esx-213-200610-patch.html

http://www.vmware.com/download/esx/esx-254-200610-patch.html

ADV-2006-1426

Vendor Advisory

ADV-2006-1475

Vendor Advisory

ADV-2006-2554

Vendor Advisory

ADV-2006-4353

Vendor Advisory

ADV-2006-4502

Vendor Advisory

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=187910

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=187911

amd-fpu-information-disclosure(25871)

oval:org.mitre.oval:def:9995

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