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-----BEGIN PGP SIGNED MESSAGE----- =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2004.0017 -- RHSA-2003:416-01 Updated kernel resolves security vulnerability 08 January 2004 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: kernel Publisher: Red Hat Operating System: Red Hat Enterprise Linux AS 3 Red Hat Enterprise Linux ES 3 Red Hat Enterprise Linux WS 3 Impact: Root Compromise Access Required: Existing Account CVE Names: CAN-2003-0985 Ref: ESB-2004.0008 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - - --------------------------------------------------------------------- Red Hat Security Advisory Synopsis: Updated kernel resolves security vulnerability Advisory ID: RHSA-2003:416-01 Issue date: 2004-01-07 Updated on: 2004-01-07 Product: Red Hat Enterprise Linux Keywords: Cross references: Obsoletes: CVE Names: CAN-2003-0985 - - --------------------------------------------------------------------- 1. Topic: Updated kernel packages are now available that fix a security vulnerability which may allow local users to gain root privileges. 2. Relevant releases/architectures: Red Hat Enterprise Linux AS version 3 - athlon, i386, i686, ia64, ppc, ppc64, ppc64iseries, ppc64pseries, s390, s390x, x86_64 Red Hat Enterprise Linux ES version 3 - athlon, i386, i686 Red Hat Enterprise Linux WS version 3 - athlon, i386, i686, ia64, x86_64 3. Problem description: The Linux kernel handles the basic functions of the operating system. Paul Starzetz discovered a flaw in bounds checking in mremap() in the Linux kernel versions 2.4.23 and previous which may allow a local attacker to gain root privileges. No exploit is currently available; however, it is believed that this issue is exploitable (although not trivially.) The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2003-0985 to this issue. All users of Red Hat Enterprise Linux 3 are advised to upgrade to these errata packages, which contain a backported security patch that corrects this issue. Red Hat would like to thank Paul Starzetz from ISEC for disclosing this issue as well as Andrea Arcangeli and Solar Designer for working on the patch. 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. To update all RPMs for your particular architecture, run: rpm -Fvh [filenames] where [filenames] is a list of the RPMs you wish to upgrade. Only those RPMs which are currently installed will be updated. Those RPMs which are not installed but included in the list will not be updated. Note that you can also use wildcards (*.rpm) if your current directory *only* contains the desired RPMs. Please note that this update is also available via Red Hat Network. Many people find this an easier way to apply updates. To use Red Hat Network, 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. If up2date fails to connect to Red Hat Network due to SSL Certificate Errors, you need to install a version of the up2date client with an updated certificate. The latest version of up2date is available from the Red Hat FTP site and may also be downloaded directly from the RHN website: https://rhn.redhat.com/help/latest-up2date.pxt 5. RPMs required: Red Hat Enterprise Linux AS version 3: SRPMS: ftp://updates.redhat.com/enterprise/3AS/en/os/SRPMS/kernel-2.4.21-4.0.2.EL.src.rpm athlon: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-smp-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-smp-unsupported-2.4.21-4.0.2.EL.athlon.rpm i386: Available from Red Hat Network: kernel-BOOT-2.4.21-4.0.2.EL.i386.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.i386.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.i386.rpm i686: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-hugemem-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-hugemem-unsupported-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-smp-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-smp-unsupported-2.4.21-4.0.2.EL.i686.rpm ia64: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.ia64.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.ia64.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.ia64.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.ia64.rpm ppc64: Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.ppc64.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.ppc64.rpm ppc64iseries: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.ppc64iseries.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.ppc64iseries.rpm ppc64pseries: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.ppc64pseries.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.ppc64pseries.rpm s390: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.s390.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.s390.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.s390.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.s390.rpm s390x: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.s390x.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.s390x.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.s390x.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.s390x.rpm x86_64: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-smp-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-smp-unsupported-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.x86_64.rpm Red Hat Enterprise Linux ES version 3: SRPMS: ftp://updates.redhat.com/enterprise/3ES/en/os/SRPMS/kernel-2.4.21-4.0.2.EL.src.rpm athlon: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-smp-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-smp-unsupported-2.4.21-4.0.2.EL.athlon.rpm i386: Available from Red Hat Network: kernel-BOOT-2.4.21-4.0.2.EL.i386.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.i386.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.i386.rpm i686: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-hugemem-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-hugemem-unsupported-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-smp-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-smp-unsupported-2.4.21-4.0.2.EL.i686.rpm Red Hat Enterprise Linux WS version 3: SRPMS: ftp://updates.redhat.com/enterprise/3WS/en/os/SRPMS/kernel-2.4.21-4.0.2.EL.src.rpm athlon: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-smp-2.4.21-4.0.2.EL.athlon.rpm Available from Red Hat Network: kernel-smp-unsupported-2.4.21-4.0.2.EL.athlon.rpm i386: Available from Red Hat Network: kernel-BOOT-2.4.21-4.0.2.EL.i386.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.i386.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.i386.rpm i686: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-hugemem-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-hugemem-unsupported-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-smp-2.4.21-4.0.2.EL.i686.rpm Available from Red Hat Network: kernel-smp-unsupported-2.4.21-4.0.2.EL.i686.rpm ia64: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.ia64.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.ia64.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.ia64.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.ia64.rpm x86_64: Available from Red Hat Network: kernel-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-unsupported-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-source-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-smp-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-smp-unsupported-2.4.21-4.0.2.EL.x86_64.rpm Available from Red Hat Network: kernel-doc-2.4.21-4.0.2.EL.x86_64.rpm 6. Verification: MD5 sum Package Name - - -------------------------------------------------------------------------- e68bea556b93a1dee6cfdf696e98df3e 3AS/en/os/SRPMS/kernel-2.4.21-4.0.2.EL.src.rpm 41fb4bb8e4ba45d8b2b19e3dfcfde4e6 3AS/en/os/athlon/kernel-2.4.21-4.0.2.EL.athlon.rpm 144e99e35664aac1bf65de05fde4a885 3AS/en/os/athlon/kernel-smp-2.4.21-4.0.2.EL.athlon.rpm d13845f63a1b66784f1abeba84d44a67 3AS/en/os/athlon/kernel-smp-unsupported-2.4.21-4.0.2.EL.athlon.rpm 398c29e648fef9215b39c0d2bddb588e 3AS/en/os/athlon/kernel-unsupported-2.4.21-4.0.2.EL.athlon.rpm 56df9a3d95055d94d5833a29028305f0 3AS/en/os/i386/kernel-BOOT-2.4.21-4.0.2.EL.i386.rpm ef478996fd7b952ed0551201be5f7d72 3AS/en/os/i386/kernel-doc-2.4.21-4.0.2.EL.i386.rpm bf805946cb7c7e23c2ed4acf87b5811a 3AS/en/os/i386/kernel-source-2.4.21-4.0.2.EL.i386.rpm 33b1b20f7f79fb0adfb5d780a18752a0 3AS/en/os/i686/kernel-2.4.21-4.0.2.EL.i686.rpm 76c8d7b95b87f63c2f196efc3eb17c51 3AS/en/os/i686/kernel-hugemem-2.4.21-4.0.2.EL.i686.rpm ba3f2981a3fda22a625d23ebd121e5cb 3AS/en/os/i686/kernel-hugemem-unsupported-2.4.21-4.0.2.EL.i686.rpm 56415916941470e1f40c05220a4275e7 3AS/en/os/i686/kernel-smp-2.4.21-4.0.2.EL.i686.rpm 29edba5852840280f3a7a18180b7e872 3AS/en/os/i686/kernel-smp-unsupported-2.4.21-4.0.2.EL.i686.rpm a0dc85279a34f3b206a9fa7e3702e2e7 3AS/en/os/i686/kernel-unsupported-2.4.21-4.0.2.EL.i686.rpm 9811e72722783f1d9659b1c6bd2419be 3AS/en/os/ia64/kernel-2.4.21-4.0.2.EL.ia64.rpm 3e18f6675b4fab8ed30a5e93c82eae62 3AS/en/os/ia64/kernel-doc-2.4.21-4.0.2.EL.ia64.rpm 30401921243af755c9a7ed8291985fff 3AS/en/os/ia64/kernel-source-2.4.21-4.0.2.EL.ia64.rpm 90de7bc1cbfe908acf098d8eaec286ef 3AS/en/os/ia64/kernel-unsupported-2.4.21-4.0.2.EL.ia64.rpm 34845a73c9cfc1620f9bbf730fccaa5e 3AS/en/os/ppc64/kernel-doc-2.4.21-4.0.2.EL.ppc64.rpm 9913c5eee42d2a492d25b53f2fe90edb 3AS/en/os/ppc64/kernel-source-2.4.21-4.0.2.EL.ppc64.rpm 0e780cab029860054aa73e24372cd26f 3AS/en/os/ppc64iseries/kernel-2.4.21-4.0.2.EL.ppc64iseries.rpm c3bf7be0358e61d4554b3f95b6d9cab3 3AS/en/os/ppc64iseries/kernel-unsupported-2.4.21-4.0.2.EL.ppc64iseries.rpm a6123afb92a3c9c5a023a18614cd2651 3AS/en/os/ppc64pseries/kernel-2.4.21-4.0.2.EL.ppc64pseries.rpm a16f8aede1694a39561d1c0a07f9ff13 3AS/en/os/ppc64pseries/kernel-unsupported-2.4.21-4.0.2.EL.ppc64pseries.rpm aa4192922b9ce43c56c08913359442db 3AS/en/os/s390/kernel-2.4.21-4.0.2.EL.s390.rpm fa3d522e34fcf13d72993fd42c9447be 3AS/en/os/s390/kernel-doc-2.4.21-4.0.2.EL.s390.rpm c3910135c60819846b68ca205703be92 3AS/en/os/s390/kernel-source-2.4.21-4.0.2.EL.s390.rpm 2a878416a38619246df3858212f230c7 3AS/en/os/s390/kernel-unsupported-2.4.21-4.0.2.EL.s390.rpm 89f2dcd6d35697fa538b661475ff4c21 3AS/en/os/s390x/kernel-2.4.21-4.0.2.EL.s390x.rpm 6ff3ebc245239cb7dc401eea959038fb 3AS/en/os/s390x/kernel-doc-2.4.21-4.0.2.EL.s390x.rpm 37c923447314318206a9e1f175ae93a2 3AS/en/os/s390x/kernel-source-2.4.21-4.0.2.EL.s390x.rpm db3cffb82a31b83cfd8ef0b07b51605d 3AS/en/os/s390x/kernel-unsupported-2.4.21-4.0.2.EL.s390x.rpm 1b5679e1bce5ea11a4dc325dc91ba61f 3AS/en/os/x86_64/kernel-2.4.21-4.0.2.EL.x86_64.rpm 67f4a0e9ec799f37376c137e1c4d1833 3AS/en/os/x86_64/kernel-doc-2.4.21-4.0.2.EL.x86_64.rpm a9501a1eae36511af2a5f027e436470e 3AS/en/os/x86_64/kernel-smp-2.4.21-4.0.2.EL.x86_64.rpm 2e105db7ae7cf18ebea1e49874433163 3AS/en/os/x86_64/kernel-smp-unsupported-2.4.21-4.0.2.EL.x86_64.rpm 5ec993c7c2a379c3ceaaf86ce0741191 3AS/en/os/x86_64/kernel-source-2.4.21-4.0.2.EL.x86_64.rpm 78362b04ade1ce1e6541c93caab8028c 3AS/en/os/x86_64/kernel-unsupported-2.4.21-4.0.2.EL.x86_64.rpm e68bea556b93a1dee6cfdf696e98df3e 3ES/en/os/SRPMS/kernel-2.4.21-4.0.2.EL.src.rpm 41fb4bb8e4ba45d8b2b19e3dfcfde4e6 3ES/en/os/athlon/kernel-2.4.21-4.0.2.EL.athlon.rpm 144e99e35664aac1bf65de05fde4a885 3ES/en/os/athlon/kernel-smp-2.4.21-4.0.2.EL.athlon.rpm d13845f63a1b66784f1abeba84d44a67 3ES/en/os/athlon/kernel-smp-unsupported-2.4.21-4.0.2.EL.athlon.rpm 398c29e648fef9215b39c0d2bddb588e 3ES/en/os/athlon/kernel-unsupported-2.4.21-4.0.2.EL.athlon.rpm 56df9a3d95055d94d5833a29028305f0 3ES/en/os/i386/kernel-BOOT-2.4.21-4.0.2.EL.i386.rpm ef478996fd7b952ed0551201be5f7d72 3ES/en/os/i386/kernel-doc-2.4.21-4.0.2.EL.i386.rpm bf805946cb7c7e23c2ed4acf87b5811a 3ES/en/os/i386/kernel-source-2.4.21-4.0.2.EL.i386.rpm 33b1b20f7f79fb0adfb5d780a18752a0 3ES/en/os/i686/kernel-2.4.21-4.0.2.EL.i686.rpm 76c8d7b95b87f63c2f196efc3eb17c51 3ES/en/os/i686/kernel-hugemem-2.4.21-4.0.2.EL.i686.rpm ba3f2981a3fda22a625d23ebd121e5cb 3ES/en/os/i686/kernel-hugemem-unsupported-2.4.21-4.0.2.EL.i686.rpm 56415916941470e1f40c05220a4275e7 3ES/en/os/i686/kernel-smp-2.4.21-4.0.2.EL.i686.rpm 29edba5852840280f3a7a18180b7e872 3ES/en/os/i686/kernel-smp-unsupported-2.4.21-4.0.2.EL.i686.rpm a0dc85279a34f3b206a9fa7e3702e2e7 3ES/en/os/i686/kernel-unsupported-2.4.21-4.0.2.EL.i686.rpm e68bea556b93a1dee6cfdf696e98df3e 3WS/en/os/SRPMS/kernel-2.4.21-4.0.2.EL.src.rpm 41fb4bb8e4ba45d8b2b19e3dfcfde4e6 3WS/en/os/athlon/kernel-2.4.21-4.0.2.EL.athlon.rpm 144e99e35664aac1bf65de05fde4a885 3WS/en/os/athlon/kernel-smp-2.4.21-4.0.2.EL.athlon.rpm d13845f63a1b66784f1abeba84d44a67 3WS/en/os/athlon/kernel-smp-unsupported-2.4.21-4.0.2.EL.athlon.rpm 398c29e648fef9215b39c0d2bddb588e 3WS/en/os/athlon/kernel-unsupported-2.4.21-4.0.2.EL.athlon.rpm 56df9a3d95055d94d5833a29028305f0 3WS/en/os/i386/kernel-BOOT-2.4.21-4.0.2.EL.i386.rpm ef478996fd7b952ed0551201be5f7d72 3WS/en/os/i386/kernel-doc-2.4.21-4.0.2.EL.i386.rpm bf805946cb7c7e23c2ed4acf87b5811a 3WS/en/os/i386/kernel-source-2.4.21-4.0.2.EL.i386.rpm 33b1b20f7f79fb0adfb5d780a18752a0 3WS/en/os/i686/kernel-2.4.21-4.0.2.EL.i686.rpm 76c8d7b95b87f63c2f196efc3eb17c51 3WS/en/os/i686/kernel-hugemem-2.4.21-4.0.2.EL.i686.rpm ba3f2981a3fda22a625d23ebd121e5cb 3WS/en/os/i686/kernel-hugemem-unsupported-2.4.21-4.0.2.EL.i686.rpm 56415916941470e1f40c05220a4275e7 3WS/en/os/i686/kernel-smp-2.4.21-4.0.2.EL.i686.rpm 29edba5852840280f3a7a18180b7e872 3WS/en/os/i686/kernel-smp-unsupported-2.4.21-4.0.2.EL.i686.rpm a0dc85279a34f3b206a9fa7e3702e2e7 3WS/en/os/i686/kernel-unsupported-2.4.21-4.0.2.EL.i686.rpm 9811e72722783f1d9659b1c6bd2419be 3WS/en/os/ia64/kernel-2.4.21-4.0.2.EL.ia64.rpm 3e18f6675b4fab8ed30a5e93c82eae62 3WS/en/os/ia64/kernel-doc-2.4.21-4.0.2.EL.ia64.rpm 30401921243af755c9a7ed8291985fff 3WS/en/os/ia64/kernel-source-2.4.21-4.0.2.EL.ia64.rpm 90de7bc1cbfe908acf098d8eaec286ef 3WS/en/os/ia64/kernel-unsupported-2.4.21-4.0.2.EL.ia64.rpm 1b5679e1bce5ea11a4dc325dc91ba61f 3WS/en/os/x86_64/kernel-2.4.21-4.0.2.EL.x86_64.rpm 67f4a0e9ec799f37376c137e1c4d1833 3WS/en/os/x86_64/kernel-doc-2.4.21-4.0.2.EL.x86_64.rpm a9501a1eae36511af2a5f027e436470e 3WS/en/os/x86_64/kernel-smp-2.4.21-4.0.2.EL.x86_64.rpm 2e105db7ae7cf18ebea1e49874433163 3WS/en/os/x86_64/kernel-smp-unsupported-2.4.21-4.0.2.EL.x86_64.rpm 5ec993c7c2a379c3ceaaf86ce0741191 3WS/en/os/x86_64/kernel-source-2.4.21-4.0.2.EL.x86_64.rpm 78362b04ade1ce1e6541c93caab8028c 3WS/en/os/x86_64/kernel-unsupported-2.4.21-4.0.2.EL.x86_64.rpm 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: 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: md5sum <filename> 7. References: http://isec.pl/vulnerabilities/isec-0013-mremap.txt http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0985 8. Contact: The Red Hat security contact is <secalert@redhat.com>. 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//E5SXlSAg2UNWIIRAjDVAKCkGuFkWe+73MhInPvoHky6x/avBgCgh0ta e4ywZGKsQFTDxbJ/VkaQl9Q= =RCMr - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. 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