CVE-2015-2830
LOW severity · CVSS 1.9 · CWE-264
1.9CVSS LOW
Summary
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 & exploitability
Attack vectorLocal
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)0%
AV:L/AC:M/Au:N/C:N/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- 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
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00021.html
- http://rhn.redhat.com/errata/RHSA-2015-1137.html
- http://rhn.redhat.com/errata/RHSA-2015-1138.html
- http://rhn.redhat.com/errata/RHSA-2015-1221.html
- http://www.debian.org/security/2015/dsa-3237