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CVE-2008-2137

Status Candidate

Overview

The (1) sparc_mmap_check function in arch/sparc/kernel/sys_sparc.c and the (2) sparc64_mmap_check function in arch/sparc64/kernel/sys_sparc.c, in the Linux kernel 2.4 before 2.4.36.5 and 2.6 before 2.6.25.3, omit some virtual-address range (aka span) checks when the mmap MAP_FIXED bit is not set, which allows local users to cause a denial of service (panic) via unspecified mmap calls.

Related Files

Ubuntu Security Notice 625-1
Posted Jul 16, 2008
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 625-1 - A massive slew of Linux kernel related vulnerabilities have been addressed for the linux-source-2.6.15/20/22 packages.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2007-6282, CVE-2007-6712, CVE-2008-0598, CVE-2008-1615, CVE-2008-1673, CVE-2008-2136, CVE-2008-2137, CVE-2008-2148, CVE-2008-2358, CVE-2008-2365, CVE-2008-2729, CVE-2008-2750, CVE-2008-2826
SHA-256 | e309dbb8ed4824d0ba3a0db45465a00498514fe1765827e95617f7fc118a59dc
Debian Linux Security Advisory 1588-2
Posted May 31, 2008
Authored by Debian | Site debian.org

Debian Security Advisory 1588-2 - Johannes Bauer discovered an integer overflow condition in the hrtimer subsystem on 64-bit systems. This can be exploited by local users to trigger a denial of service (DoS) by causing the kernel to execute an infinite loop. Jan Kratochvil reported a local denial of service condition that permits local users on systems running the amd64 flavor kernel to cause a system crash. Paul Harks discovered a memory leak in the Simple Internet Transition (SIT) code used for IPv6 over IPv4 tunnels. This can be exploited by remote users to cause a denial of service condition. David Miller and Jan Lieskovsky discovered issues with the virtual address range checking of mmaped regions on the sparc architecture that may be exploited by local users to cause a denial of service. This updated advisory adds the linux-2.6 build for s390 and the fai-kernels build for powerpc which were not yet available at the time of DSA-1588-1.

tags | advisory, remote, denial of service, overflow, kernel, local, memory leak
systems | linux, debian
advisories | CVE-2007-6712, CVE-2008-1615, CVE-2008-2136, CVE-2008-2137
SHA-256 | ba90a6aefd8df1c311527c66c80ec64b3333553aad6c396380a46901f6d0d213
Debian Linux Security Advisory 1588-1
Posted May 27, 2008
Authored by Debian | Site debian.org

Debian Security Advisory 1588-1 - Johannes Bauer discovered an integer overflow condition in the hrtimer subsystem on 64-bit systems. This can be exploited by local users to trigger a denial of service (DoS) by causing the kernel to execute an infinite loop. Jan Kratochvil reported a local denial of service condition that permits local users on systems running the amd64 flavor kernel to cause a system crash. Paul Harks discovered a memory leak in the Simple Internet Transition (SIT) code used for IPv6 over IPv4 tunnels. This can be exploited by remote users to cause a denial of service condition. David Miller and Jan Lieskovsky discovered issues with the virtual address range checking of mmaped regions on the sparc architecture that may be exploited by local users to cause a denial of service.

tags | advisory, remote, denial of service, overflow, kernel, local, memory leak
systems | linux, debian
advisories | CVE-2007-6712, CVE-2008-1615, CVE-2008-2136, CVE-2008-2137
SHA-256 | 7d370613a9637a5c92997661524dbca3c8c5f98f4be417a3dc5f5aa9a147b85c
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