CVE-2014-7826
Advisory lineage Upstream: 0 Downstream: 7
Modified
Published: 10 Nov 2014, 11:00
Last modified:06 Aug 2024, 13:03
Vulnerability Summary
Overall Risk (default)
medium
41/100 CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.04% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
1 found
Dark Web
Not detected
Timeline
10 Nov 2014, 11:00
Published
Vulnerability first disclosed
06 Aug 2024, 13:03
Last Modified
Vulnerability information updated
Description
kernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.04%• Percentile: 14%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- linux•linux_kernel
≥ 2.6.32, < 3.2.65 | ≥ 3.3, < 3.4.106 | ≥ 3.5, < 3.10.60 | ≥ 3.11, < 3.12.33 | ≥ 3.13, < 3.14.24 | ≥ 3.15, < 3.16.35 | ≥ 3.17, < 3.17.3
- opensuse•evergreen
11.4
- suse•suse_linux_enterprise_server
11:sp2
References (11)
- http://www.openwall.com/lists/oss-security/2014/11/06/11
- http://rhn.redhat.com/errata/RHSA-2015-0864.html
- http://rhn.redhat.com/errata/RHSA-2015-0290.html
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/98556
- http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
- http://www.securityfocus.com/bid/70971
- https://bugzilla.redhat.com/show_bug.cgi?id=1161565
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=086ba77a6db00ed858ff07451bedee197df868c9
- http://rhn.redhat.com/errata/RHSA-2014-1943.html
- https://github.com/torvalds/linux/commit/086ba77a6db00ed858ff07451bedee197df868c9