CVE-2014-7826 — NULL Pointer Dereference in Kernel

CWE-476 — NULL Pointer Dereference15 documents8 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 86.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelOpensuse EvergreenSuse Linux Enterprise Server
Timeline
PublishedNov 10
Latest updateMay 13

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 vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel2.6.32 — 3.2.65+6
▶Debianlinux/linux_kernel< 3.16.7-ckt2-1+3

Patches

Patch: www.openwall.com ↗Patch: bugzilla.redhat.com ↗Patch: github.com ↗

🔴Vulnerability Details

3
GHSA
GHSA-5jvp-w9hf-v844: kernel/trace/trace_syscalls↗2022-05-13
▶
CVEList
CVE-2014-7826: kernel/trace/trace_syscalls↗2014-11-10
▶
OSV
CVE-2014-7826: kernel/trace/trace_syscalls↗2014-11-10
▶

📋Vendor Advisories

9
Ubuntu
Linux kernel (Utopic HWE) vulnerabilities↗2014-12-12
▶
Ubuntu
Linux kernel vulnerabilities↗2014-12-12
▶
Ubuntu
Linux kernel vulnerabilities↗2014-12-12
▶
Ubuntu
Linux kernel vulnerabilities↗2014-12-12
▶
Ubuntu
Linux kernel (Trusty HWE) vulnerabilities↗2014-12-12
▶

💬Community

2
Bugzilla
CVE-2014-7825 CVE-2014-7826 kernel: insufficient syscall number validation in perf and ftrace subsystems↗2014-11-07
▶
Bugzilla
CVE-2014-7826 CVE-2014-7825 kernel: insufficient syscall number validation in perf and ftrace subsystems [fedora-all]↗2014-11-07
▶
CVE-2014-7826 — NULL Pointer Dereference in Kernel | cvebase