USN-2638-1: Linux kernel vulnerabilities
First published: Wed Jun 10 2015(Updated: )
Xiong Zhou discovered a bug in the way the EXT4 filesystem handles fallocate zero range functionality when the page size is greater than the block size. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2015-0275) Wen Xu discovered a use-after-free flaw in the Linux kernel's ipv4 ping support. A local user could exploit this flaw to cause a denial of service (system crash) or gain administrative privileges on the system. (CVE-2015-3636) A memory corruption flaw was discovered in the Linux kernel's scsi subsystem. A local attacker could potentially exploit this flaw to cause a denial of service (system crash). (CVE-2015-4036)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| All of | ||
| ubuntu/linux-image-3.19.0-20-powerpc-smp | <3.19.0-20.20 | 3.19.0-20.20 |
| Ubuntu gir1.2-packagekitglib-1.0 | =15.04 | |
| All of | ||
| ubuntu/linux-image-3.19.0-20-powerpc-e500mc | <3.19.0-20.20 | 3.19.0-20.20 |
| Ubuntu gir1.2-packagekitglib-1.0 | =15.04 | |
| All of | ||
| ubuntu/linux-image-3.19.0-20-generic-lpae | <3.19.0-20.20 | 3.19.0-20.20 |
| Ubuntu gir1.2-packagekitglib-1.0 | =15.04 | |
| All of | ||
| ubuntu/linux-image-3.19.0-20-generic | <3.19.0-20.20 | 3.19.0-20.20 |
| Ubuntu gir1.2-packagekitglib-1.0 | =15.04 | |
| All of | ||
| ubuntu/linux-image-3.19.0-20-powerpc64-smp | <3.19.0-20.20 | 3.19.0-20.20 |
| Ubuntu gir1.2-packagekitglib-1.0 | =15.04 | |
| All of | ||
| ubuntu/linux-image-3.19.0-20-lowlatency | <3.19.0-20.20 | 3.19.0-20.20 |
| Ubuntu gir1.2-packagekitglib-1.0 | =15.04 | |
| All of | ||
| ubuntu/linux-image-3.19.0-20-powerpc64-emb | <3.19.0-20.20 | 3.19.0-20.20 |
| Ubuntu gir1.2-packagekitglib-1.0 | =15.04 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://ubuntu.com/security/CVE-2015-0275
- https://ubuntu.com/security/CVE-2015-3636
- https://ubuntu.com/security/CVE-2015-4036
- https://ubuntu.com/security/notices/USN-2637-1
- https://ubuntu.com/security/notices/USN-2635-1
- https://ubuntu.com/security/notices/USN-2636-1
- https://ubuntu.com/security/notices/USN-2633-1
- https://ubuntu.com/security/notices/USN-2634-1
- https://ubuntu.com/security/notices/USN-2631-1
- https://ubuntu.com/security/notices/USN-2632-1
- https://ubuntu.com/security/notices/USN-2565-1
- https://ubuntu.com/security/notices/USN-2564-1
- https://launchpad.net/ubuntu/+source/linux/3.19.0-20.20
- https://ubuntu.com/security/notices/USN-2638-1 (Advisory)
Child vulnerabilities
(Contains the following vulnerabilities)
Frequently Asked Questions
What is the severity of USN-2638-1?
The severity of USN-2638-1 is significant as it can lead to denial of service through a system crash.
How do I fix USN-2638-1?
To fix USN-2638-1, you should upgrade to the patched version of Linux kernel 3.19.0-20.20.
Which versions of Ubuntu are affected by USN-2638-1?
USN-2638-1 affects Ubuntu 15.04 with specific Linux image packages.
What is the impact of CVE-2015-0275 related to USN-2638-1?
CVE-2015-0275 can be exploited by a local attacker to cause a denial of service.
Can USN-2638-1 be exploited remotely?
No, the vulnerability in USN-2638-1 requires local access for exploitation.
- agent/references
- agent/severity
- agent/type
- agent/first-publish-date
- agent/last-modified-date
- agent/weakness
- agent/title
- agent/description
- agent/event
- agent/trending
- agent/source
- agent/softwarecombine
- agent/tags
- collector/usn
- source/Ubuntu
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- package-manager/ubuntu
- vendor/ubuntu
- canonical/ubuntu gir1.2-packagekitglib-1.0
- version/ubuntu gir1.2-packagekitglib-1.0/15.04