arch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not prevent...
Vulnerability Description
arch/x86/kernel/entry_64.S in the Linux kernel before 3.19.2 does not prevent the TS_COMPAT flag from reaching a user-mode task, which might allow local users to bypass the seccomp or audit protection mechanism via a crafted application that uses the (1) fork or (2) close system call, as demonstrated by an attack against seccomp before 3.16.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.ubuntu.com/usn/USN-2631-1
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.19.2
- http://www.ubuntu.com/usn/USN-2632-1
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
- http://www.securitytracker.com/id/1032413
- http://www.debian.org/security/2015/dsa-3237
- http://rhn.redhat.com/errata/RHSA-2015-1138.html
- https://github.com/torvalds/linux/commit/956421fbb74c3a6261903f3836c0740187cf038b
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=956421fbb74c3a6261903f3836c0740187cf038b
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1208598
- http://rhn.redhat.com/errata/RHSA-2015-1137.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
- http://rhn.redhat.com/errata/RHSA-2015-1221.html
- http://www.openwall.com/lists/oss-security/2015/04/02/1
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Weaknesses (CWE)
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MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.