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CVE-2010-2071

Publication date 16 June 2010

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The btrfs_xattr_set_acl function in fs/btrfs/acl.c in btrfs in the Linux kernel 2.6.34 and earlier does not check file ownership before setting an ACL, which allows local users to bypass file permissions by setting arbitrary ACLs, as demonstrated using setfacl.

Read the notes from the security team

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
Not affected
8.04 LTS hardy
Not affected
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

Notes

smb

Btrfs did not appear before Karmic

References

Related Ubuntu Security Notices (USN)

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

Other references