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CVE-2010-1451

Status Candidate

Overview

The TSB I-TLB load implementation in arch/sparc/kernel/tsb.S in the Linux kernel before 2.6.33 on the SPARC platform does not properly obtain the value of a certain _PAGE_EXEC_4U bit and consequently does not properly implement a non-executable stack, which makes it easier for context-dependent attackers to exploit stack-based buffer overflows via a crafted application.

Related Files

Ubuntu Security Notice 966-1
Posted Aug 6, 2010
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 966-1 - Junjiro R. Okajima discovered that knfsd did not correctly handle strict overcommit. Chris Guo, Jukka Taimisto, and Olli Jarva discovered that SCTP did not correctly handle invalid parameters. A remote attacker could send specially crafted traffic that could crash the system, leading to a denial of service. Mario Mikocevic discovered that GFS2 did not correctly handle certain quota structures. Toshiyuki Okajima discovered that the kernel keyring did not correctly handle dead keyrings. Brad Spengler discovered that Sparc did not correctly implement non-executable stacks. This made userspace applications vulnerable to exploits that would have been otherwise blocked due to non-executable memory protections. Dan Rosenberg discovered that the btrfs clone function did not correctly validate permissions. Dan Rosenberg discovered that GFS2 set_flags function did not correctly validate permissions. Shi Weihua discovered that btrfs xattr_set_acl function did not correctly validate permissions. Andre Osterhues discovered that eCryptfs did not correctly calculate hash values.

tags | advisory, remote, denial of service, kernel
systems | linux, ubuntu
advisories | CVE-2008-7256, CVE-2010-1173, CVE-2010-1436, CVE-2010-1437, CVE-2010-1451, CVE-2010-1636, CVE-2010-1641, CVE-2010-1643, CVE-2010-2071, CVE-2010-2492
MD5 | a79e8c6f8746aab5fd201e02a6291143
Debian Linux Security Advisory 2053-1
Posted May 26, 2010
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2053-1 - Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation.

tags | advisory, denial of service, kernel, vulnerability
systems | linux, debian
advisories | CVE-2009-4537, CVE-2010-0727, CVE-2010-1083, CVE-2010-1084, CVE-2010-1086, CVE-2010-1087, CVE-2010-1088, CVE-2010-1162, CVE-2010-1173, CVE-2010-1187, CVE-2010-1437, CVE-2010-1446, CVE-2010-1451
MD5 | 24d4173ba41137d10afc28dbe17d7c89
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