NULL pointer dereference in Linux kernel - CVE-2015-7566
Published: February 8, 2016 / Updated: June 1, 2024
Vulnerability identifier: #VU90692
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-7566
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
Public exploit is available
Vulnerability details
The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the clie_5_attach() function in drivers/usb/serial/visor.c. A local non-authenticated attacker can perform a denial of service (DoS) attack.
Affected software
Linux kernel
Fedora
kernel
Fedora
kernel
How to mitigate CVE-2015-7566
Install update from vendor's website.
kernel - addressed in versions 4.3.3-200.fc22, 4.3.3-301.fc23, 4.3.3-302.fc23, 4.3.3-303.fc23
Links to Public Exploits and PoC-codes
External References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=cb3232138e37129e88240a98a1d2aba2187ff57c
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/175792.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-January/176194.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00052.html
- http://lists.opensuse.org/opensuse-security-announce/2016-06/msg00059.html
- http://lists.opensuse.org/opensuse-security-announce/2016-07/msg00005.html
- http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
- http://www.debian.org/security/2016/dsa-3448
- http://www.debian.org/security/2016/dsa-3503
- http://www.securityfocus.com/archive/1/537733/100/0/threaded
- http://www.securityfocus.com/bid/82975
- http://www.ubuntu.com/usn/USN-2929-1
- http://www.ubuntu.com/usn/USN-2929-2
- http://www.ubuntu.com/usn/USN-2930-1
- http://www.ubuntu.com/usn/USN-2930-2
- http://www.ubuntu.com/usn/USN-2930-3
- http://www.ubuntu.com/usn/USN-2932-1
- http://www.ubuntu.com/usn/USN-2948-1
- http://www.ubuntu.com/usn/USN-2948-2
- http://www.ubuntu.com/usn/USN-2967-1
- http://www.ubuntu.com/usn/USN-2967-2
- https://bugzilla.redhat.com/show_bug.cgi?id=1283371
- https://bugzilla.redhat.com/show_bug.cgi?id=1296466
- https://github.com/torvalds/linux/commit/cb3232138e37129e88240a98a1d2aba2187ff57c
- https://security-tracker.debian.org/tracker/CVE-2015-7566
- https://www.exploit-db.com/exploits/39540/