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CVE-2006-5823

Status Candidate

Overview

The zlib_inflate function in Linux kernel 2.6.x allows local users to cause a denial of service (crash) via a malformed filesystem that uses zlib compression that triggers memory corruption, as demonstrated using cramfs.

Related Files

Debian Linux Security Advisory 1503-2
Posted Mar 12, 2008
Authored by Debian | Site debian.org

Debian Security Advisory 1503-2 - Several local and remote vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or the execution of arbitrary code.

tags | advisory, remote, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, debian
advisories | CVE-2004-2731, CVE-2006-4814, CVE-2006-5753, CVE-2006-5823, CVE-2006-6053, CVE-2006-6054, CVE-2006-6106, CVE-2007-1353, CVE-2007-1592, CVE-2007-2172, CVE-2007-2525, CVE-2007-3848, CVE-2007-4308, CVE-2007-4311, CVE-2007-5093, CVE-2007-6063, CVE-2007-6151, CVE-2007-6206
MD5 | 4d782fab669b98a7a56eca8a00c7628d
dsa-1504.txt
Posted Feb 23, 2008
Site debian.org

Debian Security Advisory 1504 - Several local and remote vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or the execution of arbitrary code.

tags | advisory, remote, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, debian
advisories | CVE-2006-5823, CVE-2006-6054, CVE-2006-6058, CVE-2006-7203, CVE-2007-1353, CVE-2007-2172, CVE-2007-2525, CVE-2007-3105, CVE-2007-3739, CVE-2007-3740, CVE-2007-3848, CVE-2007-4133, CVE-2007-4308, CVE-2007-4573, CVE-2007-5093, CVE-2007-6063, CVE-2007-6151, CVE-2007-6206
MD5 | 6a98ca94c7306d808a8fbc6c05d02834
dsa-1503.txt
Posted Feb 23, 2008
Site debian.org

Debian Security Advisory 1503 - Several local and remote vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or the execution of arbitrary code.

tags | advisory, remote, denial of service, arbitrary, kernel, local, vulnerability
systems | linux, debian
advisories | CVE-2004-2731, CVE-2006-4814, CVE-2006-5753, CVE-2006-5823, CVE-2006-6053, CVE-2006-6054, CVE-2006-6106, CVE-2007-1353, CVE-2007-1592, CVE-2007-2172, CVE-2007-2525, CVE-2007-3848, CVE-2007-4308, CVE-2007-4311, CVE-2007-5093, CVE-2007-6063, CVE-2007-6151, CVE-2007-6206
MD5 | 3408c11383bf6b8fa21ef8da39900292
Mandriva Linux Security Advisory 2007.060
Posted Mar 13, 2007
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory - Many vulnerabilities were discovered and corrected in the Linux 2.6 kernel. The 2.6.17 kernel and earlier, when running on IA64 and SPARC platforms would allow a local user to cause a DoS (crash) via a malformed ELF file. The mincore function in the Linux kernel did not properly lock access to user space, which has unspecified impact and attack vectors, possibly related to a deadlock. An unspecified vulnerability in the listxattr system call, when a "bad inode" is present, could allow a local user to cause a DoS (data corruption) and possibly gain privileges via unknown vectors. The zlib_inflate function allows local users to cause a crash via a malformed filesystem that uses zlib compression that triggers memory corruption. The ext3fs_dirhash function could allow local users to cause a DoS (crash) via an ext3 stream with malformed data structures. When SELinux hooks are enabled, the kernel could allow a local user to cause a DoS (crash) via a malformed file stream that triggers a NULL pointer derefernece. The key serial number collision avoidance code in the key_alloc_serial function in kernels 2.6.9 up to 2.6.20 allows local users to cause a crash via vectors thatr trigger a null dereference. The Linux kernel version 2.6.13 to 2.6.20.1 allowed a remote attacker to cause a DoS (oops) via a crafted NFSACL2 ACCESS request that triggered a free of an incorrect pointer. A local user could read unreadable binaries by using the interpreter (PT_INTERP) functionality and triggering a core dump; a variant of CVE-2004-1073.

tags | advisory, remote, kernel, local, vulnerability
systems | linux, mandriva
advisories | CVE-2006-4538, CVE-2006-4814, CVE-2006-5753, CVE-2006-5823, CVE-2006-6053, CVE-2006-6056, CVE-2007-0006, CVE-2007-0772, CVE-2007-0958
MD5 | 186a8d105b5a3c8a35936f0a69d24e0a
Mandriva Linux Security Advisory 2007.047
Posted Feb 24, 2007
Authored by Mandriva | Site mandriva.com

Mandriva Security Advisory - Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel. A double free vulnerability in the squashfs module could allow a local user to cause a Denial of Service by mounting a crafted squashfs filesystem. The zlib_inflate function allows local users to cause a crash via a malformed filesystem that uses zlib compression that triggers memory corruption. The key serial number collision avoidance code in the key_alloc_serial function in kernels 2.6.9 up to 2.6.20 allows local users to cause a crash via vectors that will trigger a null dereference. The provided packages are patched to fix these vulnerabilities. All users are encouraged to upgrade to these updated kernels immediately and reboot to effect the fixes.

tags | advisory, denial of service, kernel, local, vulnerability
systems | linux, mandriva
advisories | CVE-2006-5701, CVE-2006-5823, CVE-2007-0006
MD5 | d7df8353a48d46de10cb6d602dfe77c9
Ubuntu Security Notice 416-1
Posted Feb 13, 2007
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 416-1 - A large quantity of Linux 2.6 kernel vulnerabilities have been discovered and fixed.

tags | advisory, kernel, vulnerability
systems | linux, ubuntu
advisories | CVE-2006-4572, CVE-2006-4814, CVE-2006-5749, CVE-2006-5753, CVE-2006-5755, CVE-2006-5757, CVE-2006-5823, CVE-2006-6053, CVE-2006-6054, CVE-2006-6056, CVE-2006-6057, CVE-2006-6106
MD5 | 1d62b1b3baa4783c7afe8a58fc50fbe3
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