SB2013092506 - NULL pointer dereference in Linux kernel
Published: September 25, 2013 Updated: August 10, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2013-5634)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error in the Linux kernel before 3.10 on the ARM platform, when KVM is used, allows host OS users to cause a denial of service (NULL pointer dereference, OOPS, and host OS crash) or possibly have unspecified other impact by omitting vCPU initialization before a KVM_GET_REG_LIST ioctl call. A remote attacker can perform a denial of service (DoS) attack.
Remediation
Cybersecurity Help is not aware of any official remediation provided by the vendor.
References
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=e8180dcaa8470ceca21109f143876fdcd9fe050a
- http://www.openwall.com/lists/oss-security/2013/08/26/4
- http://www.securityfocus.com/bid/61995
- https://github.com/torvalds/linux/commit/e8180dcaa8470ceca21109f143876fdcd9fe050a
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.10.bz2