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[RHSA-2003:392-00] Updated 2.4 kernel fixes privilege escalation security vulnerability


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Date: Mon, 1 Dec 2003 22:29 -0500
From: [email protected]
To: [email protected], [email protected],
Subject: [RHSA-2003:392-00] Updated 2.4 kernel fixes privilege escalation security vulnerability
Cc: 

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

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                   Red Hat Security Advisory

Synopsis:          Updated 2.4 kernel fixes privilege escalation security v=
ulnerability
Advisory ID:       RHSA-2003:392-00
Issue date:        2003-12-01
Updated on:        2003-12-01
Product:           Red Hat Linux
Ключевые слова: , , , , , , , , , privesc,  (найти похожие документы)
Cross references:=20=20 Obsoletes: RHSA-2003:238 CVE Names: CAN-2003-0961 - --------------------------------------------------------------------- 1. Topic: Updated kernel packages are now available that fix a security vulnerability leading to a possible privilege escalation. 2. Relevant releases/architectures: Red Hat Linux 7.1 - athlon, i386, i586, i686 Red Hat Linux 7.2 - athlon, i386, i586, i686 Red Hat Linux 7.3 - athlon, i386, i586, i686 Red Hat Linux 8.0 - athlon, i386, i586, i686 Red Hat Linux 9 - athlon, i386, i586, i686 3. Problem description: The Linux kernel handles the basic functions of the operating system. A flaw in bounds checking in the do_brk() function in the Linux kernel versions 2.4.22 and previous can allow a local attacker to gain root privileges. This issue is known to be exploitable; an exploit has been seen in the wild that takes advantage of this vulnerability. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0961 to this issue. All users are advised to upgrade to these errata packages, which contain a backported security patch that corrects this vulnerability. Important: If you use Red Hat Linux 7.1, you must have installed quota-3.06-9.71 from RHSA-2003:187, and if you use Red Hat Linux 7.2 or 7.3, you must have installed quota-3.06-9.7 from RHSA-2003:187 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. To use Red Hat Network to upgrade the kernel, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Note that you need to select the kernel explicitly if you are using the default configuration of up2date. To install kernel packages manually, use "rpm -ivh <package>" and modify system settings to boot the kernel you have installed. To do this, edit /boot/grub/grub.conf and change the default entry to "default=3D0" (or, if you have chosen to use LILO as your boot loader, edit /etc/lilo.conf and run lilo) Do not use "rpm -Uvh" as that will remove your running kernel binaries from your system. You may use "rpm -e" to remove old kernels after determining that the new kernel functions properly on your system. 5. RPMs required: Red Hat Linux 7.1: SRPMS: ftp://updates.redhat.com/7.1/en/os/SRPMS/kernel-2.4.20-24.7.src.rpm athlon: ftp://updates.redhat.com/7.1/en/os/athlon/kernel-2.4.20-24.7.athlon.rpm ftp://updates.redhat.com/7.1/en/os/athlon/kernel-smp-2.4.20-24.7.athlon.rpm i386: ftp://updates.redhat.com/7.1/en/os/i386/kernel-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/kernel-source-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/kernel-doc-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.1/en/os/i386/kernel-BOOT-2.4.20-24.7.i386.rpm i586: ftp://updates.redhat.com/7.1/en/os/i586/kernel-2.4.20-24.7.i586.rpm ftp://updates.redhat.com/7.1/en/os/i586/kernel-smp-2.4.20-24.7.i586.rpm i686: ftp://updates.redhat.com/7.1/en/os/i686/kernel-2.4.20-24.7.i686.rpm ftp://updates.redhat.com/7.1/en/os/i686/kernel-smp-2.4.20-24.7.i686.rpm ftp://updates.redhat.com/7.1/en/os/i686/kernel-bigmem-2.4.20-24.7.i686.rpm Red Hat Linux 7.2: SRPMS: ftp://updates.redhat.com/7.2/en/os/SRPMS/kernel-2.4.20-24.7.src.rpm athlon: ftp://updates.redhat.com/7.2/en/os/athlon/kernel-2.4.20-24.7.athlon.rpm ftp://updates.redhat.com/7.2/en/os/athlon/kernel-smp-2.4.20-24.7.athlon.rpm i386: ftp://updates.redhat.com/7.2/en/os/i386/kernel-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/kernel-source-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/kernel-doc-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.2/en/os/i386/kernel-BOOT-2.4.20-24.7.i386.rpm i586: ftp://updates.redhat.com/7.2/en/os/i586/kernel-2.4.20-24.7.i586.rpm ftp://updates.redhat.com/7.2/en/os/i586/kernel-smp-2.4.20-24.7.i586.rpm i686: ftp://updates.redhat.com/7.2/en/os/i686/kernel-2.4.20-24.7.i686.rpm ftp://updates.redhat.com/7.2/en/os/i686/kernel-smp-2.4.20-24.7.i686.rpm ftp://updates.redhat.com/7.2/en/os/i686/kernel-bigmem-2.4.20-24.7.i686.rpm Red Hat Linux 7.3: SRPMS: ftp://updates.redhat.com/7.3/en/os/SRPMS/kernel-2.4.20-24.7.src.rpm athlon: ftp://updates.redhat.com/7.3/en/os/athlon/kernel-2.4.20-24.7.athlon.rpm ftp://updates.redhat.com/7.3/en/os/athlon/kernel-smp-2.4.20-24.7.athlon.rpm i386: ftp://updates.redhat.com/7.3/en/os/i386/kernel-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.3/en/os/i386/kernel-source-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.3/en/os/i386/kernel-doc-2.4.20-24.7.i386.rpm ftp://updates.redhat.com/7.3/en/os/i386/kernel-BOOT-2.4.20-24.7.i386.rpm i586: ftp://updates.redhat.com/7.3/en/os/i586/kernel-2.4.20-24.7.i586.rpm ftp://updates.redhat.com/7.3/en/os/i586/kernel-smp-2.4.20-24.7.i586.rpm i686: ftp://updates.redhat.com/7.3/en/os/i686/kernel-2.4.20-24.7.i686.rpm ftp://updates.redhat.com/7.3/en/os/i686/kernel-smp-2.4.20-24.7.i686.rpm ftp://updates.redhat.com/7.3/en/os/i686/kernel-bigmem-2.4.20-24.7.i686.rpm Red Hat Linux 8.0: SRPMS: ftp://updates.redhat.com/8.0/en/os/SRPMS/kernel-2.4.20-24.8.src.rpm athlon: ftp://updates.redhat.com/8.0/en/os/athlon/kernel-2.4.20-24.8.athlon.rpm ftp://updates.redhat.com/8.0/en/os/athlon/kernel-smp-2.4.20-24.8.athlon.rpm i386: ftp://updates.redhat.com/8.0/en/os/i386/kernel-2.4.20-24.8.i386.rpm ftp://updates.redhat.com/8.0/en/os/i386/kernel-source-2.4.20-24.8.i386.rpm ftp://updates.redhat.com/8.0/en/os/i386/kernel-doc-2.4.20-24.8.i386.rpm ftp://updates.redhat.com/8.0/en/os/i386/kernel-BOOT-2.4.20-24.8.i386.rpm i586: ftp://updates.redhat.com/8.0/en/os/i586/kernel-2.4.20-24.8.i586.rpm ftp://updates.redhat.com/8.0/en/os/i586/kernel-smp-2.4.20-24.8.i586.rpm i686: ftp://updates.redhat.com/8.0/en/os/i686/kernel-2.4.20-24.8.i686.rpm ftp://updates.redhat.com/8.0/en/os/i686/kernel-smp-2.4.20-24.8.i686.rpm ftp://updates.redhat.com/8.0/en/os/i686/kernel-bigmem-2.4.20-24.8.i686.rpm Red Hat Linux 9: SRPMS: ftp://updates.redhat.com/9/en/os/SRPMS/kernel-2.4.20-24.9.src.rpm athlon: ftp://updates.redhat.com/9/en/os/athlon/kernel-2.4.20-24.9.athlon.rpm ftp://updates.redhat.com/9/en/os/athlon/kernel-smp-2.4.20-24.9.athlon.rpm i386: ftp://updates.redhat.com/9/en/os/i386/kernel-2.4.20-24.9.i386.rpm ftp://updates.redhat.com/9/en/os/i386/kernel-source-2.4.20-24.9.i386.rpm ftp://updates.redhat.com/9/en/os/i386/kernel-doc-2.4.20-24.9.i386.rpm ftp://updates.redhat.com/9/en/os/i386/kernel-BOOT-2.4.20-24.9.i386.rpm i586: ftp://updates.redhat.com/9/en/os/i586/kernel-2.4.20-24.9.i586.rpm ftp://updates.redhat.com/9/en/os/i586/kernel-smp-2.4.20-24.9.i586.rpm i686: ftp://updates.redhat.com/9/en/os/i686/kernel-2.4.20-24.9.i686.rpm ftp://updates.redhat.com/9/en/os/i686/kernel-smp-2.4.20-24.9.i686.rpm ftp://updates.redhat.com/9/en/os/i686/kernel-bigmem-2.4.20-24.9.i686.rpm 6. Verification: MD5 sum Package Name - -------------------------------------------------------------------------- d820f37c791df3f59e22e0f2f4aee4a8 7.1/en/os/SRPMS/kernel-2.4.20-24.7.src.rpm 172f574aa6055e4ed706abf395b4a9ab 7.1/en/os/athlon/kernel-2.4.20-24.7.athlon= .rpm f7b7f5e5eafc31b541fe3a27bd48f408 7.1/en/os/athlon/kernel-smp-2.4.20-24.7.at= hlon.rpm 3ae94919218a7edce005c955f6b22776 7.1/en/os/i386/kernel-2.4.20-24.7.i386.rpm 6a4ab4889332208b048f4ef2fb7a190d 7.1/en/os/i386/kernel-BOOT-2.4.20-24.7.i38= 6.rpm b10a9aff5af4ce2cf36252fd4b0f21a0 7.1/en/os/i386/kernel-doc-2.4.20-24.7.i386= .rpm 5a88fec16c237e778518df03e62af071 7.1/en/os/i386/kernel-source-2.4.20-24.7.i= 386.rpm bacae6a71188c7e5e54c4a91434c67c4 7.1/en/os/i586/kernel-2.4.20-24.7.i586.rpm 945b720803753d1f60f6d4492b54ca6b 7.1/en/os/i586/kernel-smp-2.4.20-24.7.i586= .rpm a6351fcc1a61054adf492f66da65f2d9 7.1/en/os/i686/kernel-2.4.20-24.7.i686.rpm fe052b2b749aa3d1abe449d3ea392cf9 7.1/en/os/i686/kernel-bigmem-2.4.20-24.7.i= 686.rpm 31128ef6e28b75ce451b4c3c00a0b1b7 7.1/en/os/i686/kernel-smp-2.4.20-24.7.i686= .rpm d820f37c791df3f59e22e0f2f4aee4a8 7.2/en/os/SRPMS/kernel-2.4.20-24.7.src.rpm 172f574aa6055e4ed706abf395b4a9ab 7.2/en/os/athlon/kernel-2.4.20-24.7.athlon= .rpm f7b7f5e5eafc31b541fe3a27bd48f408 7.2/en/os/athlon/kernel-smp-2.4.20-24.7.at= hlon.rpm 3ae94919218a7edce005c955f6b22776 7.2/en/os/i386/kernel-2.4.20-24.7.i386.rpm 6a4ab4889332208b048f4ef2fb7a190d 7.2/en/os/i386/kernel-BOOT-2.4.20-24.7.i38= 6.rpm b10a9aff5af4ce2cf36252fd4b0f21a0 7.2/en/os/i386/kernel-doc-2.4.20-24.7.i386= .rpm 5a88fec16c237e778518df03e62af071 7.2/en/os/i386/kernel-source-2.4.20-24.7.i= 386.rpm bacae6a71188c7e5e54c4a91434c67c4 7.2/en/os/i586/kernel-2.4.20-24.7.i586.rpm 945b720803753d1f60f6d4492b54ca6b 7.2/en/os/i586/kernel-smp-2.4.20-24.7.i586= .rpm a6351fcc1a61054adf492f66da65f2d9 7.2/en/os/i686/kernel-2.4.20-24.7.i686.rpm fe052b2b749aa3d1abe449d3ea392cf9 7.2/en/os/i686/kernel-bigmem-2.4.20-24.7.i= 686.rpm 31128ef6e28b75ce451b4c3c00a0b1b7 7.2/en/os/i686/kernel-smp-2.4.20-24.7.i686= .rpm d820f37c791df3f59e22e0f2f4aee4a8 7.3/en/os/SRPMS/kernel-2.4.20-24.7.src.rpm 172f574aa6055e4ed706abf395b4a9ab 7.3/en/os/athlon/kernel-2.4.20-24.7.athlon= .rpm f7b7f5e5eafc31b541fe3a27bd48f408 7.3/en/os/athlon/kernel-smp-2.4.20-24.7.at= hlon.rpm 3ae94919218a7edce005c955f6b22776 7.3/en/os/i386/kernel-2.4.20-24.7.i386.rpm 6a4ab4889332208b048f4ef2fb7a190d 7.3/en/os/i386/kernel-BOOT-2.4.20-24.7.i38= 6.rpm b10a9aff5af4ce2cf36252fd4b0f21a0 7.3/en/os/i386/kernel-doc-2.4.20-24.7.i386= .rpm 5a88fec16c237e778518df03e62af071 7.3/en/os/i386/kernel-source-2.4.20-24.7.i= 386.rpm bacae6a71188c7e5e54c4a91434c67c4 7.3/en/os/i586/kernel-2.4.20-24.7.i586.rpm 945b720803753d1f60f6d4492b54ca6b 7.3/en/os/i586/kernel-smp-2.4.20-24.7.i586= .rpm a6351fcc1a61054adf492f66da65f2d9 7.3/en/os/i686/kernel-2.4.20-24.7.i686.rpm fe052b2b749aa3d1abe449d3ea392cf9 7.3/en/os/i686/kernel-bigmem-2.4.20-24.7.i= 686.rpm 31128ef6e28b75ce451b4c3c00a0b1b7 7.3/en/os/i686/kernel-smp-2.4.20-24.7.i686= .rpm f6f49ba606d4ef1a586f99c564b2499d 8.0/en/os/SRPMS/kernel-2.4.20-24.8.src.rpm 2244d511620477db15996ac6ac586ce6 8.0/en/os/athlon/kernel-2.4.20-24.8.athlon= .rpm f73a9ab55bbf9cd43d83c16546a9a07a 8.0/en/os/athlon/kernel-smp-2.4.20-24.8.at= hlon.rpm 6c25fc68334cde596e183532d8b3483a 8.0/en/os/i386/kernel-2.4.20-24.8.i386.rpm c79ea815774a3cf3c00c89f36b34aacb 8.0/en/os/i386/kernel-BOOT-2.4.20-24.8.i38= 6.rpm 3b9cf1a0a8db7fd4503a56d498a23878 8.0/en/os/i386/kernel-doc-2.4.20-24.8.i386= .rpm c21153374e1847f47d29ecf99805c064 8.0/en/os/i386/kernel-source-2.4.20-24.8.i= 386.rpm 35da48234c032663cd5765a15cab8169 8.0/en/os/i586/kernel-2.4.20-24.8.i586.rpm 4dcbad37430e402267a991e1e8586586 8.0/en/os/i586/kernel-smp-2.4.20-24.8.i586= .rpm 000e2b216d17a64b15a81dc27c21b453 8.0/en/os/i686/kernel-2.4.20-24.8.i686.rpm 062a3810a475c2dacb06c03234652e76 8.0/en/os/i686/kernel-bigmem-2.4.20-24.8.i= 686.rpm a66bd9c6f6da80b26a353a99f33b5f25 8.0/en/os/i686/kernel-smp-2.4.20-24.8.i686= .rpm e68dc0c95aab8a27fbdd911925e7be0b 9/en/os/SRPMS/kernel-2.4.20-24.9.src.rpm cd422af233db0164be1a66f69278fb0e 9/en/os/athlon/kernel-2.4.20-24.9.athlon.r= pm 60e111499188473b79aa7fe4dfc4f553 9/en/os/athlon/kernel-smp-2.4.20-24.9.athl= on.rpm e732e2ea47e5b07ad3ccebcdb9f96743 9/en/os/i386/kernel-2.4.20-24.9.i386.rpm f00e2c660038c2689c23d28b20da63d7 9/en/os/i386/kernel-BOOT-2.4.20-24.9.i386.= rpm 5f14574fc6248d02ea346adbf304a881 9/en/os/i386/kernel-doc-2.4.20-24.9.i386.r= pm 536db3f62fb66ef96f6171c6f4788db4 9/en/os/i386/kernel-source-2.4.20-24.9.i38= 6.rpm 423f4ef61689574ce915d9c393e50987 9/en/os/i586/kernel-2.4.20-24.9.i586.rpm 4121d90dfacd06d266d6b920c8b3b898 9/en/os/i586/kernel-smp-2.4.20-24.9.i586.r= pm 84b5ebcabf19ed929120ecd70b3d09dc 9/en/os/i686/kernel-2.4.20-24.9.i686.rpm c95ab7333115db5be3a21c5d144db04b 9/en/os/i686/kernel-bigmem-2.4.20-24.9.i68= 6.rpm 58a563ee017283fc7a2843d2a5888986 9/en/os/i686/kernel-smp-2.4.20-24.9.i686.r= pm These packages are GPG signed by Red Hat for security. Our key is available from https://www.redhat.com/security/keys.html You can verify each package with the following command: =20=20=20=20 rpm --checksig -v <filename> If you only wish to verify that each package has not been corrupted or tampered with, examine only the md5sum with the following command: =20=20=20=20 md5sum <filename> 7. References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCAN-2003-0961 8. Contact: The Red Hat security contact is <[email protected]>. More contact details at https://www.redhat.com/solutions/security/news/contact.html Copyright 2003 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQE/zAb2XlSAg2UNWIIRAiRVAJ9PjXtJo+rY/8JcZeSqaxS8IAyFCACfWu2a 10KjM+Vq0yd6hCh5bOrGE30=3D =3DVbSe -----END PGP SIGNATURE-----

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