PT-2010-1701 · Linux · Linux Kernel

Eugene Teo · Published 2010-09-08 · Updated 2023-12-28 · CVE-2009-4895

Positive Technologies (AI Summary)

CVSS v2.0

4.7

Medium

Base vector

AV:L/AC:M/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.32.6

Description A race condition in the tty fasync function allows local users to cause a denial of service, potentially resulting in a system crash due to a NULL pointer dereference. The issue is related to the put tty queue and f setown functions.

Recommendations For Linux kernel versions prior to 2.6.32.6, update to version 2.6.32.6 or later to resolve the issue.

Fix

Race Condition

NULL Pointer Dereference

Weakness Enumeration

CWE-362

CWE-476

Related Identifiers

CVE-2009-4895

DSA-2094-1

RHSA-2010:0161

Affected Products

Linux Kernel

References · 12

• http://openwall.com/lists/oss-security/2010/06/15/2 · Patch
• http://debian.org/security/2010/dsa-2094 · Vendor Advisory
• http://ubuntu.com/usn/USN-1000-1 · Vendor Advisory
• https://bugzilla.kernel.org/show_bug.cgi?id=14605 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2009-4895 · Security Note
• http://openwall.com/lists/oss-security/2010/06/15/4 · Note
• http://openwall.com/lists/oss-security/2010/06/15/3 · Note
• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=703625118069f9f8960d356676662d3db5a9d116 · Note
• http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.6 · Note
• https://t.me/cvenotify/65409 · Telegram Post
• http://openwall.com/lists/oss-security/2010/06/15/5 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=559100 · Note