NULL pointer dereference in Linux kernel - CVE-2010-4263
Published: January 18, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU45438
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2010-4263
CWE-ID: CWE-476
Exploitation vector: Adjecent network
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 VLAN tagged frame.
How to mitigate CVE-2010-4263
Update to version 2.6.34.
Sources
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=31b24b955c3ebbb6f3008a6374e61cf7c05a193c
- http://openwall.com/lists/oss-security/2010/12/06/3
- http://openwall.com/lists/oss-security/2010/12/06/9
- http://secunia.com/advisories/42884
- http://secunia.com/advisories/42890
- http://secunia.com/advisories/46397
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
- http://www.redhat.com/support/errata/RHSA-2011-0007.html
- http://www.redhat.com/support/errata/RHSA-2011-0017.html
- http://www.securityfocus.com/archive/1/520102/100/0/threaded
- http://www.securityfocus.com/bid/45208
- http://www.vmware.com/security/advisories/VMSA-2011-0012.html
- https://bugzilla.kernel.org/show_bug.cgi?id=15582
- https://bugzilla.redhat.com/show_bug.cgi?id=660188