Debian: New Linux kernel 2.6.8 packages fix privilege escalation
Summary
- --------------------------------------------------------------------------Debian Security Advisory DSA 1111-1 security@debian.org http://www.debian.org/security/ Dann Frazier Jul 16th, 2006 http://www.debian.org/security/faq - --------------------------------------------------------------------------Package : kernel-source-2.6.8 et. al. Vulnerability : race condition Problem-Type : local Debian-specific: no CVE ID : CVE-2006-3625 It was discovered that a race condition in the process filesystem can lead to privilege escalation. The following matrix explains which kernel version for which architecture fixes the problem mentioned above: Debian 3.1 (sarge) Source 2.6.8-16sarge4 Alpha architecture 2.6.8-16sarge4 AMD64 architecture 2.6.8-16sarge4 Intel IA-32 architecture 2.6.8-16sarge4 Intel IA-64 architecture 2.6.8-14sarge4 PowerPC architecture 2.6.8-12sarge4 Sun Sparc architecture 2.6.8-15sarge4 As an exploit for this issue in the wild, this advisory was sent out without builds for the IBM S/390, Motorola 680x0 and HP Precision architectures being available. They will be released in a followup-advisory as soon as they are available. Also, the kernels for the FAI installer haven't been updated yet. As a workaround we recommend to mount proc with the nosuid and noexec options. We recommend that you upgrade your kernel package immediately and reboot the machine. If you have built a custom kernel from the kernel source package, you will need to rebuild to take advantage of these fixes. Upgrade Instructions - --------------------wget url will fetch the file for you dpkg -i file.deb will install the referenced file. If you are using the apt-get package manager, use the line for sources.list as given below: apt-get update will update the internal database apt-get upgrade will install corrected packages You may use an automated update by adding the resources from the footer to the proper configuration. Debian GNU/Linux 3.1 alias sarge - -------------------------------- Source archives: Size/MD5 checksum: 812 ff4792fd28cadb6774ae4310ce38e301 Size/MD5 checksum: 38839 e4d527c319269df165cc23fd6fb54a68 Size/MD5 checksum: 1103 7dc33f6d9079af9d79b05d6ece3dfdc5 Size/MD5 checksum: 75714 264ee72864b022045cc4b0820fe062db Size/MD5 checksum: 1191 0fb79cfacfc5581263710440357ed5ce Size/MD5 checksum: 64204 02b5b536eebb207995ef3a754de1c87e Size/MD5 checksum: 1047 62f42ea9f118d911a8f215af2f3e586d Size/MD5 checksum: 90861 885cb72bd69153dcd6512db147caa173 Size/MD5 checksum: 1036 00d330ff015d713c4652ea05c5555f91 Size/MD5 checksum: 24447 393b640388a78dd98c727a08f972214c Size/MD5 checksum: 1002 bca4e80e8a10ba3c0884e3fab032772b Size/MD5 checksum: 1044761 b6675f6ac09f5d31f780650798c5609c Size/MD5 checksum: 43929719 0393c05ffa4770c3c5178b74dc7a4282 Size/MD5 checksum: 1071 4bb132bef3f8f2a220ad9e74ab76500e Size/MD5 checksum: 27031 59fb7f129abc85794829e1e777b540a0 Architecture independent components: Size/MD5 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Size/MD5 checksum: 2890614 25a5f93a494d583f533d8a8b6afc5811 Size/MD5 checksum: 110050 ef8055368116c6de685e2e5fb3eb7bc9 Size/MD5 checksum: 144772 3c49e410afa9020cfb0ed6e7daa1197a Size/MD5 checksum: 145386 b5f7c0add8b7f5709235a9a3108b0752 Size/MD5 checksum: 4551130 87c9d50a7693e0f049ee47e32e1b07ff Size/MD5 checksum: 7430922 eceb79d6f7dd483ce5188e7934d1c506 Size/MD5 checksum: 7628714 3a3dddddba19f112f7b3b93ba5d44642 PowerPC architecture: Size/MD5 checksum: 407398 e05e6f4cc9db78fb380752ffbdeb5da8 Size/MD5 checksum: 407328 e8a001c81e071b8e20ae1c231a4c6995 Size/MD5 checksum: 406710 77a65238ea24808cffd01963a1fc1f63 Size/MD5 checksum: 406636 bbc4a48430c0b9b8e65adb9acb8d7898 Size/MD5 checksum: 407600 1369ada43ac7d75f21463e4d2f1c2f24 Size/MD5 checksum: 406756 958b261e91d96f980704c0f3f82b8e6a Size/MD5 checksum: 5147646 bf6d33036a5a150d791b09e021154206 Size/MD5 checksum: 13576992 151c64d944a5ba0f812596ec3c0d87c2 Size/MD5 checksum: 13929732 a53f72b2554445b5753b905b5306bb90 Size/MD5 checksum: 13560758 ba215f514c5707a0eade2cc11f2bb0ff Size/MD5 checksum: 13921224 0fab2af9083ebfc6d70d09c1d35affc2 Size/MD5 checksum: 13595362 6dc1b4542ce1738258d3529900c16b5d Size/MD5 checksum: 13847816 9f0c9b62f6ef32fc3c16263db5a6c988 These files will probably be moved into the stable distribution on its next update. - ---------------------------------------------------------------------------------For apt-get: deb http://security.debian.org/ stable/updates main For dpkg-ftp: dists/stable/updates/main Mailing list: debian-security-announce@lists.debian.org