NULL pointer dereference in Linux kernel
| Risk | Medium |
| Patch available | NO |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2014-7841 |
| CWE-ID | CWE-476 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Linux kernel Operating systems & Components / Operating system |
| Vendor | Linux Foundation |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) NULL pointer dereference
EUVDB-ID: #VU41051
Risk: Medium
CVSSv3.1: 4.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]
CVE-ID: CVE-2014-7841
CWE-ID:
CWE-476 - NULL Pointer Dereference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a malformed INIT chunk.
MitigationCybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versionsLinux kernel: 3.0 - 3.17.2
External linkshttp://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e40607cbe270a9e8360907cb1e62ddf0736e4864
http://linux.oracle.com/errata/ELSA-2015-3004.html
http://linux.oracle.com/errata/ELSA-2015-3005.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00010.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2015-03/msg00025.html
http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00000.html
http://rhn.redhat.com/errata/RHSA-2015-0087.html
http://rhn.redhat.com/errata/RHSA-2015-0102.html
http://rhn.redhat.com/errata/RHSA-2015-0284.html
http://rhn.redhat.com/errata/RHSA-2015-0285.html
http://rhn.redhat.com/errata/RHSA-2015-0695.html
http://secunia.com/advisories/62305
http://secunia.com/advisories/62597
http://secunia.com/advisories/62735
http://www.debian.org/security/2014/dsa-3093
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.17.4
http://www.openwall.com/lists/oss-security/2014/11/13/6
http://www.securityfocus.com/bid/71081
http://bugzilla.redhat.com/show_bug.cgi?id=1163087
http://github.com/torvalds/linux/commit/e40607cbe270a9e8360907cb1e62ddf0736e4864
http://support.f5.com/kb/en-us/solutions/public/16000/000/sol16016.html
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
