NULL pointer dereference in Linux kernel - CVE-2011-1748
Published: May 10, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45052
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-1748
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The 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 crafted release operation.
How to mitigate CVE-2011-1748
Update to version 2.6.39.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=10022a6c66e199d8f61d9044543f38785713cbbd
- http://openwall.com/lists/oss-security/2011/04/20/7
- http://openwall.com/lists/oss-security/2011/04/21/1
- http://openwall.com/lists/oss-security/2011/04/21/2
- http://openwall.com/lists/oss-security/2011/04/21/7
- http://openwall.com/lists/oss-security/2011/04/22/2
- http://openwall.com/lists/oss-security/2011/04/25/4
- http://permalink.gmane.org/gmane.linux.network/192974
- http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.39-rc6
- http://www.securityfocus.com/bid/47835
- https://bugzilla.redhat.com/show_bug.cgi?id=698057