NULL pointer dereference in Linux kernel - CVE-2014-7145
Published: September 28, 2014 / Updated: January 17, 2023
Vulnerability identifier: #VU90733
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2014-7145
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the fs/cifs/smb2pdu.c. A remote non-authenticated attacker can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
Ubuntu
linux (Ubuntu package)
linux-lts-trusty (Ubuntu package)
How to mitigate CVE-2014-7145
Install update from vendor's website.
Linux kernel - update to 3.16.3
linux (Ubuntu package) - update to 3.13.0-39.66
linux-lts-trusty (Ubuntu package) - update to 3.13.0-39.66~precise1
linux (Ubuntu package) - update to 3.13.0-39.66
linux-lts-trusty (Ubuntu package) - update to 3.13.0-39.66~precise1
External References
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.16.3
- http://www.openwall.com/lists/oss-security/2014/09/22/4
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=18f39e7be0121317550d03e267e3ebd4dbfbb3ce
- https://github.com/torvalds/linux/commit/18f39e7be0121317550d03e267e3ebd4dbfbb3ce
- http://www.securityfocus.com/bid/69867
- http://www.ubuntu.com/usn/USN-2394-1
- http://rhn.redhat.com/errata/RHSA-2015-0102.html