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SuSE alert SUSE-SA:2007:021 (kernel)

From:  Marcus Meissner <>
Subject:  [suse-security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:2007:021)
Date:  Fri, 16 Mar 2007 13:31:35 +0100

-----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SUSE Security Announcement Package: kernel Announcement ID: SUSE-SA:2007:021 Date: Fri, 16 Mar 2007 13:00:00 +0000 Affected Products: SUSE LINUX 10.0 openSUSE 10.2 Vulnerability Type: remote denial of service Severity (1-10): 7 SUSE Default Package: yes Cross-References: CVE-2006-2936, CVE-2006-5749, CVE-2006-5751 CVE-2006-5753, CVE-2006-6106, CVE-2007-0006 CVE-2007-0772 Content of This Advisory: 1) Security Vulnerability Resolved: kernel security update Problem Description 2) Solution or Work-Around 3) Special Instructions and Notes 4) Package Location and Checksums 5) Pending Vulnerabilities, Solutions, and Work-Arounds: none 6) Authenticity Verification and Additional Information ______________________________________________________________________________ 1) Problem Description and Brief Discussion The Linux kernel was updated to fix the security problems listed below. This advisory is for the bugs already announced for SUSE Linux Enterprise 10 and SUSE Linux 10.1 in SUSE-SA:2007:018. The packages associated with this update were already released 1 week ago. Please note that bootloader handling in openSUSE 10.2 has changed and now creates new entries for updated kernels and make those the default. We also had reports of the update breaking the bootloader configuration, and apologize for the inconveniences caused. We are investigating those problems and hope to release an update to fix the bootloader handling code. If you are manually adapting /boot/grub/menu.lst, please review this file after the update. - CVE-2006-2936: The ftdi_sio driver allowed local users to cause a denial of service (memory consumption) by writing more data to the serial port than the hardware can handle, which causes the data to be queued. This requires this driver to be loaded, which only happens if such a device is plugged in. - CVE-2006-5751: An integer overflow in the networking bridge ioctl starting with Kernel 2.6.7 could be used by local attackers to overflow kernel memory buffers and potentially escalate privileges. - CVE-2006-6106: Multiple buffer overflows in the cmtp_recv_interopmsg function in the Bluetooth driver (net/bluetooth/cmtp/capi.c) in the Linux kernel allowed remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via CAPI messages with a large value for the length of the (1) manu (manufacturer) or (2) serial (serial number) field. - CVE-2006-5749: The isdn_ppp_ccp_reset_alloc_state function in drivers/isdn/isdn_ppp.c in the Linux kernel does not call the init_timer function for the ISDN PPP CCP reset state timer, which has unknown attack vectors and results in a system crash. - CVE-2006-5753: Unspecified vulnerability in the listxattr system call in Linux kernel, when a "bad inode" is present, allows local users to cause a denial of service (data corruption) and possibly gain privileges. - CVE-2007-0006: The key serial number collision avoidance code in the key_alloc_serial function allows local users to cause a denial of service (crash) via vectors that trigger a null dereference. - CVE-2007-0772: A remote denial of service problem on NFSv2 mounts with ACL enabled was fixed. Furthermore, openSUSE 10.2 catches up to the mainline kernel, version, and contains a large number of additional fixes for non security bugs. 2) Solution or Work-Around There is no known workaround, please install the update packages. 3) Special Instructions and Notes Please reboot the system after installing the updated packages. Review the /boot/grub/menu.lst configuration file if you manually changed it. 4) Package Location and Checksums The preferred method for installing security updates is to use the YaST Online Update (YOU) tool. YOU detects which updates are required and automatically performs the necessary steps to verify and install them. Alternatively, download the update packages for your distribution manually and verify their integrity by the methods listed in Section 6 of this announcement. Then install the packages using the command rpm -Fhv <file.rpm> to apply the update, replacing <file.rpm> with the filename of the downloaded RPM package. x86 Platform: openSUSE 10.2: e82b0a67a4b0bbb0971bb969c8d9eb60 60c6ce6820d3839ce9fbe2eb4bab356c da0bf89980c93e0a475e37fa200e28b0 4bf99d7816ba585f0ed5593dc6fbb740 13bc3b2be8b6fd08ae1589f9cfd67be7 08da4cbf6da45be1c0459580cb44749c 112d3fcfbea319940262c0a306da85be 3096d2eeb901ee592a06d68ca91982a9 9429c6f7042ebd28831298058467044a d2cd5d41af38cf5489b9b7636546ce39 1c01b355d52b01f8cacbdfb06af0c171 d402122d25eab3352c194a96a249cc20 8798fe7a1d4ce2b2029bf4ee957efe08 dd3d8c1869f08c6c9d7821fd122d7b99 d1b16cbbc1445c7564bcdc8f009760a6 ba2fbb5381abcfac608f6dfd9ccca71c bda4e19bab973eace8b245b82a976610 3998dbfbad2955c876d3c6918e30775b 20710daf7c1e1c7560387605e679e9ef 02dcd27ebad0f8b4eeaba2567ef79352 caea9f949b562b7fbe6cc1e5f7da4a4c SUSE LINUX 10.0: 70a42a7f7742d66894bee17b3f388a5d 16b76176c41ecc466f9fb46cdd230489 062a8b04cb89e3989d305bef87dc0757 faf638689b69c1e80569bc46dbfe088b 6049934f03e60aca2bc5d54012c0407d 6c1ac1600ee0f27e7464e0407405f9aa 752faf01a1b41613c91f785e72895a55 e5fe6448fddbc8fcefd8a90b36888db9 e38e9ba4c63044e5bfbb285911c898a5 0944ef9eb3fe1634bf21121bf1f51fdc 9e6bd3a6f743926b9270872fefb9b915 9d49e4767426613e38573037776f26b0 8e5f25c2e2b85129f91c22c6868f0003 a38b42695a1f0700ac1ed8a71c79520c Power PC Platform: openSUSE 10.2: 56d9d481c3c62f9627f8fdb5b3df782d 109afa91f06beb989faa4ce3b5181ffa 1ce2d7597556be60d09b3cea3639af8a 84bd64a7f8d3de26f13536635983be23 56e7429616a92898cbf83ee796ae45f7 f79c0143fbf4ffd0cf14fa616968da58 97ab79266d28d0b05c7fe715e054bce1 SUSE LINUX 10.0: 419939cc75cdf648342e2de9bda2c0e8 5147690fdc8e20d2456d9a2ad9566c15 29982397729967c8237643d59f0a300b 6cf3159d8cef06756309a58f3a007e29 d16442f15524102ab709419e8a56f6a7 x86-64 Platform: openSUSE 10.2: c3841ced488b344daa86646138e1a050 a35ed0949cc2fe69362069398621788d c884bd668d92648dddc440c931b44399 0aed77eee5442d9315f3d53c2da9f6f3 a37c3f4a169d9061af48d1430c04d05f 0c2f6be06580c9ca0426243c73e3144e 74d9189894b2ca61f495dc90023b279a b0880efb1ff8ab29ea0ed752f692985d 8df8f3c772f884481a122abbe264c45d SUSE LINUX 10.0: 9bb317c036977483961d7d4ab2c3a123 a57e4271abb5b607dcf24ccb7c75d3ea 7c0fd656bf08fa0a1dd9bce20ced8b2a a5f66edd202201ffb96eadeb03a7213c f195f6ebb24ef1b6ebf6859efe4e9658 9b23bb08beccedecc5ce35e1b099ca2f a34f4798ccf607f3e6e8c1db4ce6ab1c 3aa25da4d80b5687b0dd112ccbb980f2 Sources: openSUSE 10.2: a6bb16929d315cf146675e75b3e14e97 d18038925c29a061a23fdbd3c410d362 e579ee0834be9cc99f0f181f4eefc722 099041a3de7a607b414c5690dc870117 7f7c7fd1543e01c24c1b9e7f71fb73a1 10d98ce9df7766e3a2268f103bea42d9 058b58f8be113977a91e94ab94bf0182 210b549a27e3eca6d7174ad1c3e4c858 SUSE LINUX 10.0: e7669014790db2d2b9022d08307d7fba a56233e08afeb0c3e7a7d47c4614fcc2 6b84ee8f314841da371d89efe4406e47 28a33e95d59a0fbfa8d7ec10d8bb7d43 f6e51f0333e0b8a571f6e7e070ac577d fb5e7d691e697ae608e9964966060cdc 0bb6955fcaf7079ec5dc84d0242d518a e4f1f529be352d96e39efd832bb1bd2b 44acc7bf9de3e6404876c72a264448d2 80a8dd4f5c4535c6f6cfc40b4d17591a 1b20f3e5ee1bf0b081a50f26f811b47e ______________________________________________________________________________ 5) Pending Vulnerabilities, Solutions, and Work-Arounds: none ______________________________________________________________________________ 6) Authenticity Verification and Additional Information - Announcement authenticity verification: SUSE security announcements are published via mailing lists and on Web sites. The authenticity and integrity of a SUSE security announcement is guaranteed by a cryptographic signature in each announcement. All SUSE security announcements are published with a valid signature. To verify the signature of the announcement, save it as text into a file and run the command gpg --verify <file> replacing <file> with the name of the file where you saved the announcement. The output for a valid signature looks like: gpg: Signature made <DATE> using RSA key ID 3D25D3D9 gpg: Good signature from "SuSE Security Team <>" where <DATE> is replaced by the date the document was signed. If the security team's key is not contained in your key ring, you can import it from the first installation CD. To import the key, use the command gpg --import gpg-pubkey-3d25d3d9-36e12d04.asc - Package authenticity verification: SUSE update packages are available on many mirror FTP servers all over the world. While this service is considered valuable and important to the free and open source software community, the authenticity and the integrity of a package needs to be verified to ensure that it has not been tampered with. There are two verification methods that can be used independently from each other to prove the authenticity of a downloaded file or RPM package: 1) Using the internal gpg signatures of the rpm package 2) MD5 checksums as provided in this announcement 1) The internal rpm package signatures provide an easy way to verify the authenticity of an RPM package. Use the command rpm -v --checksig <file.rpm> to verify the signature of the package, replacing <file.rpm> with the filename of the RPM package downloaded. The package is unmodified if it contains a valid signature from with the key ID 9C800ACA. This key is automatically imported into the RPM database (on RPMv4-based distributions) and the gpg key ring of 'root' during installation. You can also find it on the first installation CD and at the end of this announcement. 2) If you need an alternative means of verification, use the md5sum command to verify the authenticity of the packages. Execute the command md5sum <filename.rpm> after you downloaded the file from a SUSE FTP server or its mirrors. Then compare the resulting md5sum with the one that is listed in the SUSE security announcement. Because the announcement containing the checksums is cryptographically signed (by, the checksums show proof of the authenticity of the package if the signature of the announcement is valid. Note that the md5 sums published in the SUSE Security Announcements are valid for the respective packages only. Newer versions of these packages cannot be verified. - SUSE runs two security mailing lists to which any interested party may subscribe: - General Linux and SUSE security discussion. All SUSE security announcements are sent to this list. To subscribe, send an e-mail to <>. - SUSE's announce-only mailing list. Only SUSE's security announcements are sent to this list. To subscribe, send an e-mail to <>. ===================================================================== SUSE's security contact is <> or <>. The <> public key is listed below. ===================================================================== ______________________________________________________________________________ The information in this advisory may be distributed or reproduced, provided that the advisory is not modified in any way. In particular, the clear text signature should show proof of the authenticity of the text. SUSE Linux Products GmbH provides no warranties of any kind whatsoever with respect to the information contained in this security advisory. Type Bits/KeyID Date User ID pub 2048R/3D25D3D9 1999-03-06 SuSE Security Team <> pub 1024D/9C800ACA 2000-10-19 SuSE Package Signing Key <> - -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.4.2 (GNU/Linux) mQENAzbhLQQAAAEIAKAkXHe0lWRBXLpn38hMHy03F0I4Sszmoc8aaKJrhfhyMlOA BqvklPLE2f9UrI4Xc860gH79ZREwAgPt0pi6+SleNFLNcNFAuuHMLQOOsaMFatbz JR9i4m/lf6q929YROu5zB48rBAlcfTm+IBbijaEdnqpwGib45wE/Cfy6FAttBHQh 1Kp+r/jPbf1mYAvljUfHKuvbg8t2EIQz/5yGp+n5trn9pElfQO2cRBq8LFpf1l+U P7EKjFmlOq+Gs/fF98/dP3DfniSd78LQPq5vp8RL8nr/o2i7jkAQ33m4f1wOBWd+ cZovrKXYlXiR+Bf7m2hpZo+/sAzhd7LmAD0l09kABRG0JVN1U0UgU2VjdXJpdHkg VGVhbSA8c2VjdXJpdHlAc3VzZS5kZT6JARUDBRA24S1H5Fiyh7HKPEUBAVcOB/9b yHYji1/+4Xc2GhvXK0FSJN0MGgeXgW47yxDL7gmR4mNgjlIOUHZj0PEpVjWepOJ7 tQS3L9oP6cpj1Fj/XxuLbkp5VCQ61hpt54coQAvYrnT9rtWEGN+xmwejT1WmYmDJ xG+EGBXKr+XP69oIUl1E2JO3rXeklulgjqRKos4cdXKgyjWZ7CP9V9daRXDtje63 Om8gwSdU/nCvhdRIWp/Vwbf7Ia8iZr9OJ5YuQl0DBG4qmGDDrvImgPAFkYFzwlqo choXFQ9y0YVCV41DnR+GYhwl2qBd81T8aXhihEGPIgaw3g8gd8B5o6mPVgl+nJqI BkEYGBusiag2pS6qwznZiQEVAwUQNuEtBHey5gA9JdPZAQFtOAf+KVh939b0J94u v/kpg4xs1LthlhquhbHcKNoVTNspugiC3qMPyvSX4XcBr2PC0cVkS4Z9PY9iCfT+ x9WM96g39dAF+le2CCx7XISk9XXJ4ApEy5g4AuK7NYgAJd39PPbERgWnxjxir9g0 Ix30dS30bW39D+3NPU5Ho9TD/B7UDFvYT5AWHl3MGwo3a1RhTs6sfgL7yQ3U+mvq MkTExZb5mfN1FeaYKMopoI4VpzNVeGxQWIz67VjJHVyUlF20ekOz4kWVgsxkc8G2 saqZd6yv2EwqYTi8BDAduweP33KrQc4KDDommQNDOXxaKOeCoESIdM4p7Esdjq1o L0oixF12CohGBBARAgAGBQI7HmHDAAoJEJ5A4xAACqukTlQAoI4QzP9yjPohY7OU F7J3eKBTzp25AJ42BmtSd3pvm5ldmognWF3Trhp+GYkAlQMFEDe3O8IWkDf+zvyS FQEBAfkD/3GG5UgJj18UhYmh1gfjIlDcPAeqMwSytEHDENmHC+vlZQ/p0mT9tPiW tp34io54mwr+bLPN8l6B5GJNkbGvH6M+mO7R8Lj4nHL6pyAv3PQr83WyLHcaX7It Klj371/4yzKV6qpz43SGRK4MacLo2rNZ/dNej7lwPCtzCcFYwqkiiEYEEBECAAYF AjoaQqQACgkQx1KqMrDf94ArewCfWnTUDG5gNYkmHG4bYL8fQcizyA4An2eVo/n+ 3J2KRWSOhpAMsnMxtPbBmQGiBDnu9IERBACT8Y35+2vv4MGVKiLEMOl9GdST6MCk YS3yEKeueNWc+z/0Kvff4JctBsgs47tjmiI9sl0eHjm3gTR8rItXMN6sJEUHWzDP +Y0PFPboMvKx0FXl/A0dM+HFrruCgBlWt6FA+okRySQiliuI5phwqkXefl9AhkwR 8xocQSVCFxcwvwCglVcOQliHu8jwRQHxlRE0tkwQQI0D+wfQwKdvhDplxHJ5nf7U 8c/yE/vdvpN6lF0tmFrKXBUX+K7u4ifrZlQvj/81M4INjtXreqDiJtr99Rs6xa0S cZqITuZC4CWxJa9GynBED3+D2t1V/f8l0smsuYoFOF7Ib49IkTdbtwAThlZp8bEh ELBeGaPdNCcmfZ66rKUdG5sRA/9ovnc1krSQF2+sqB9/o7w5/q2qiyzwOSTnkjtB UVKn4zLUOf6aeBAoV6NMCC3Kj9aZHfA+ND0ehPaVGJgjaVNFhPi4x0e7BULdvgOo AqajLfvkURHAeSsxXIoEmyW/xC1sBbDkDUIBSx5oej73XCZgnj/inphRqGpsb+1n KFvF+rQoU3VTRSBQYWNrYWdlIFNpZ25pbmcgS2V5IDxidWlsZEBzdXNlLmRlPohi BBMRAgAiBQJA2AY+AhsDBQkObd+9BAsHAwIDFQIDAxYCAQIeAQIXgAAKCRCoTtro nIAKypCfAJ9RuZ6ZSV7QW4pTgTIxQ+ABPp0sIwCffG9bCNnrETPlgOn+dGEkAWeg KL+IRgQQEQIABgUCOnBeUgAKCRCeQOMQAAqrpNzOAKCL512FZvv4VZx94TpbA9lx yoAejACeOO1HIbActAevk5MUBhNeLZa/qM2JARUDBRA6cGBvd7LmAD0l09kBATWn B/9An5vfiUUE1VQnt+T/EYklES3tXXaJJp9pHMa4fzFa8jPVtv5UBHGee3XoUNDV wM2OgSEISZxbzdXGnqIlcT08TzBUD9i579uifklLsnr35SJDZ6ram51/CWOnnaVh UzneOA9gTPSr+/fT3WeVnwJiQCQ30kNLWVXWATMnsnT486eAOlT6UNBPYQLpUprF 5Yryk23pQUPAgJENDEqeU6iIO9Ot1ZPtB0lniw+/xCi13D360o1tZDYOp0hHHJN3 D3EN8C1yPqZd5CvvznYvB6bWBIpWcRgdn2DUVMmpU661jwqGlRz1F84JG/xe4jGu zgpJt9IXSzyohEJB6XG5+D0BuQINBDnu9JIQCACEkdBN6Mxf5WvqDWkcMRy6wnrd 9DYJ8UUTmIT2iQf07tRUKJJ9v0JXfx2Z4d08IQSMNRaq4VgSe+PdYgIy0fbj23Vi a5/gO7fJEpD2hd2f+pMnOWvH2rOOIbeYfuhzAc6BQjAKtmgR0ERUTafTM9Wb6F13 CNZZNZfDqnFDP6L12w3z3F7FFXkz07Rs3AIto1ZfYZd4sCSpMr/0S5nLrHbIvGLp 271hhQBeRmmoGEKO2JRelGgUJ2CUzOdtwDIKT0LbCpvaP8PVnYF5IFoYJIWRHqlE t5ucTXstZy7vYjL6vTP4l5xs+LIOkNmPhqmfsgLzVo0UaLt80hOwc4NvDCOLAAMG B/9g+9V3ORzw4LvO1pwRYJqfDKUq/EJ0rNMMD4N8RLpZRhKHKJUm9nNHLbksnlZw rbSTM5LpC/U6sheLP+l0bLVoq0lmsCcUSyh+mY6PxWirLIWCn/IAZAGnXb6Zd6Tt IJlGG6pqUN8QxGJYQnonl0uTJKHJENbI9sWHQdcTtBMc34gorHFCo1Bcvpnc1LFL rWn7mfoGx6INQjf3HGQpMXAWuSBQhzkazY6vaWFpa8bBJ+gKbBuySWzNm3rFtT5H RKMWpO+M9bHp4d+puY0L1YwN1OMatcMMpcWnZpiWiR83oi32+xtWUY2U7Ae38mMa g8zFbpeqPQUsDv9V7CAJ1dbriEwEGBECAAwFAkDYBnoFCQ5t3+gACgkQqE7a6JyA CspnpgCfRbYwxT3iq+9l/PgNTUNTZOlof2oAn25y0eGi0371jap9kOV6uq71sUuO =ypVs - -----END PGP PUBLIC KEY BLOCK----- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iQEVAwUBRfqMp3ey5gA9JdPZAQHuSwf/e3FO1RcgSi0rE6L+qbACE2ylyGiyktMa vhG4VZXff2nkRd4dAg0DTP7rZv9DHdb/61QOqqTe71E29ecpqMP+tBBrcxuggELI OpSJfposZqyZxqVbv75mxfWs9SO744x0YTUUxPQYbHDun/ZW7UV3h3b5yq9Nkv7K 7ZCc3m4dqZgRyvaPQPmKry8AkSZVr7b60frS/qrGvpQC6Rt1+yIlTEXTtrMMmEKM rOd0VTIi5J8PWmtQpmXhTSD+uNp4oeqRBUDObZpU8ziLYaCVXSpHjjPOS+q5+WFm qg2BwQ0UPXCSi1ARsS0pamARM5xBIHp39gJZDmm6bZNFwnrBxZh41w== =BPjk -----END PGP SIGNATURE----- -- To unsubscribe, e-mail: For additional commands, e-mail:

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