CVE-2010-2492

Publication date 20 July 2010

Last updated 25 August 2025

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

7.8 · High

Score breakdown

Description

Buffer overflow in the ecryptfs_uid_hash macro in fs/ecryptfs/messaging.c in the eCryptfs subsystem in the Linux kernel before 2.6.35 might allow local users to gain privileges or cause a denial of service (system crash) via unspecified vectors.

From the Ubuntu Security Team

ecryptfs hashing bug

Status

Package Ubuntu Release Status
linux 10.04 LTS lucid
Fixed 2.6.32-24.39
9.10 karmic
Fixed 2.6.31-22.61
9.04 jaunty
Fixed 2.6.28-19.62
8.04 LTS hardy
Fixed 2.6.24-28.73
6.06 LTS dapper Not in release
linux-source-2.6.15 10.04 LTS lucid Not in release
9.10 karmic Not in release
9.04 jaunty Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Not affected

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
linux

Severity score breakdown

Parameter Value
Base score 7.8 · High
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-966-1
    • Linux kernel vulnerabilities
    • 4 August 2010

Other references