CVE-2014-7826: Null Pointer Dereference
First published: Fri Nov 07 2014(Updated: )
An out-of-bounds memory access flaw, CVE-2014-7825, was found in the syscall tracing functionality of the Linux kernel's perf subsystem. A local, unprivileged user could use this flaw to crash the system. Additionally, an out-of-bounds memory access flaw, CVE-2014-7826, was found in the syscall tracing functionality of the Linux kernel's ftrace subsystem. On a system with ftrace syscall tracing enabled, a local, unprivileged user could use this flaw to crash the system, or escalate their privileges.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <0:2.6.32-504.16.2.el6 | 0:2.6.32-504.16.2.el6 |
| redhat/kernel | <0:3.10.0-229.el7 | 0:3.10.0-229.el7 |
| redhat/kernel-rt | <0:3.10.58-rt62.58.el6 | 0:3.10.58-rt62.58.el6 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.10-1 6.12.11-1 | |
| Linux Kernel | >=2.6.32<3.2.65 | |
| Linux Kernel | >=3.3<3.4.106 | |
| Linux Kernel | >=3.5<3.10.60 | |
| Linux Kernel | >=3.11<3.12.33 | |
| Linux Kernel | >=3.13<3.14.24 | |
| Linux Kernel | >=3.15<3.16.35 | |
| Linux Kernel | >=3.17<3.17.3 | |
| openSUSE Evergreen | =11.4 | |
| SUSE Linux Enterprise Server | =11-sp2 |
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Reference Links
- https://www.cve.org/CVERecord?id=CVE-2014-7826 https://nvd.nist.gov/vuln/detail/CVE-2014-7826
- https://bugzilla.redhat.com/show_bug.cgi?id=1161565
- https://access.redhat.com/errata/RHSA-2015:0864
- https://access.redhat.com/errata/RHSA-2015:0290
- https://access.redhat.com/errata/RHSA-2014:1943
- https://access.redhat.com/security/cve/CVE-2014-7826
- http://www.securityfocus.com/bid/70971
- http://rhn.redhat.com/errata/RHSA-2014-1943.html
- http://rhn.redhat.com/errata/RHSA-2015-0290.html
- http://rhn.redhat.com/errata/RHSA-2015-0864.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
- http://www.openwall.com/lists/oss-security/2014/11/06/11
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=086ba77a6db00ed858ff07451bedee197df868c9
- https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9
- https://exchange.xforce.ibmcloud.com/vulnerabilities/98556
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- https://launchpad.net/bugs/cve/CVE-2014-7826
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=086ba77a6db00ed858ff07451bedee197df868c9
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d562aff93bfb530b0992141500a402d17081189d
- https://security-tracker.debian.org/tracker/CVE-2014-7826
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7826
- https://nvd.nist.gov/vuln/detail/CVE-2014-7826
- https://ubuntu.com/security/CVE-2014-7826
Parent vulnerabilities
(Appears in the following advisories)
- collector/redhat-cve
- agent/type
- agent/first-publish-date
- collector/launchpad-cve
- source/Launchpad
- agent/author
- agent/severity
- agent/weakness
- collector/mitre-cve
- source/MITRE
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/remedy
- agent/description
- agent/last-modified-date
- agent/event
- agent/trending
- agent/source
- collector/nvd-index
- agent/software-canonical-lookup-request
- collector/nvd-cve
- source/NVD
- agent/software-canonical-lookup
- agent/softwarecombine
- agent/tags
- collector/security-tracker-debian
- source/Debian
- package-manager/redhat
- vendor/linux
- canonical/linux kernel
- version/linux kernel/2.6.32
- version/linux kernel/3.3
- version/linux kernel/3.5
- version/linux kernel/3.11
- version/linux kernel/3.13
- version/linux kernel/3.15
- version/linux kernel/3.17
- vendor/opensuse
- canonical/opensuse evergreen
- version/opensuse evergreen/11.4
- vendor/suse
- canonical/suse linux enterprise server
- version/suse linux enterprise server/11-sp2
- package-manager/debian