vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-4157): Linux kernel vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:A/AC:M/Au:S/C:C/I:C/A:C) | Mar 25, 2022 | May 12, 2022 | Nov 7, 2024 |
Severity
7
CVSS
(AV:A/AC:M/Au:S/C:C/I:C/A:C)
Published
Mar 25, 2022
Added
May 12, 2022
Modified
Nov 7, 2024
Description
An out of memory bounds write flaw (1 or 2 bytes of memory) in the Linux kernel NFS subsystem was found in the way users use mirroring (replication of files with NFS). A user, having access to the NFS mount, could potentially use this flaw to crash the system or escalate privileges on the system.
Solution(s)
ubuntu-upgrade-linux-image-4-4-0-1105-kvmubuntu-upgrade-linux-image-4-4-0-1140-awsubuntu-upgrade-linux-image-4-4-0-224-genericubuntu-upgrade-linux-image-4-4-0-224-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-lts-xenial
References
- CVE-2021-4157
- https://attackerkb.com/topics/CVE-2021-4157
- NVD-CVE-2021-4157
- UBUNTU-USN-5265-1
- UBUNTU-USN-5278-1
- UBUNTU-USN-5381-1
- UBUNTU-USN-5390-1
- UBUNTU-USN-5390-2
- UBUNTU-USN-5413-1
- UBUNTU-USN-5415-1
- UBUNTU-USN-5416-1
- UBUNTU-USN-5417-1
- UBUNTU-USN-5418-1
- UBUNTU-USN-5466-1
- UBUNTU-USN-5467-1
- UBUNTU-USN-5468-1
- UBUNTU-USN-5469-1
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