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CVE-2009-1961

Publication date 8 June 2009

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

4.7 · Medium

Score breakdown

The inode double locking code in fs/ocfs2/file.c in the Linux kernel 2.6.30 before 2.6.30-rc3, 2.6.27 before 2.6.27.24, 2.6.29 before 2.6.29.4, and possibly other versions down to 2.6.19 allows local users to cause a denial of service (prevention of file creation and removal) via a series of splice system calls that trigger a deadlock between the generic_file_splice_write, splice_from_pipe, and ocfs2_file_splice_write functions.

Status

Package Ubuntu Release Status
linux 9.04 jaunty
Fixed 2.6.28-13.45
8.10 intrepid
Fixed 2.6.27-14.35
8.04 LTS hardy
Fixed 2.6.24-24.55
6.06 LTS dapper Not in release
linux-source-2.6.15 9.04 jaunty Not in release
8.10 intrepid Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Fixed 2.6.15-54.77

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

References

Related Ubuntu Security Notices (USN)

    • USN-793-1
    • Linux kernel vulnerabilities
    • 2 July 2009

Other references