vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-4149): Linux kernel vulnerabilities
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
2 | (AV:L/AC:L/Au:N/C:N/I:N/A:P) | 01/14/2022 | 06/08/2022 | 11/07/2024 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Published
01/14/2022
Added
06/08/2022
Modified
11/07/2024
Description
A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock problem.
Solution(s)
ubuntu-upgrade-linux-image-4-15-0-1098-oracleubuntu-upgrade-linux-image-4-15-0-1114-raspi2ubuntu-upgrade-linux-image-4-15-0-1119-kvmubuntu-upgrade-linux-image-4-15-0-1127-gcpubuntu-upgrade-linux-image-4-15-0-1132-snapdragonubuntu-upgrade-linux-image-4-15-0-1133-awsubuntu-upgrade-linux-image-4-15-0-1133-aws-hweubuntu-upgrade-linux-image-4-15-0-1142-azureubuntu-upgrade-linux-image-4-15-0-184-genericubuntu-upgrade-linux-image-4-15-0-184-generic-lpaeubuntu-upgrade-linux-image-4-15-0-184-lowlatencyubuntu-upgrade-linux-image-4-4-0-1117-awsubuntu-upgrade-linux-image-4-4-0-1118-kvmubuntu-upgrade-linux-image-4-4-0-1155-awsubuntu-upgrade-linux-image-4-4-0-239-genericubuntu-upgrade-linux-image-4-4-0-239-lowlatencyubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-hweubuntu-upgrade-linux-image-aws-lts-18-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-lts-18-04ubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-18-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-hwe-16-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lts-xenialubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-hwe-16-04ubuntu-upgrade-linux-image-lowlatency-lts-xenialubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-lts-18-04ubuntu-upgrade-linux-image-raspi2ubuntu-upgrade-linux-image-snapdragonubuntu-upgrade-linux-image-virtualubuntu-upgrade-linux-image-virtual-hwe-16-04ubuntu-upgrade-linux-image-virtual-lts-xenial
References
- CVE-2021-4149
- https://attackerkb.com/topics/CVE-2021-4149
- NVD-CVE-2021-4149
- UBUNTU-USN-5165-1
- UBUNTU-USN-5265-1
- UBUNTU-USN-5381-1
- UBUNTU-USN-5383-1
- UBUNTU-USN-5390-1
- UBUNTU-USN-5390-2
- UBUNTU-USN-5413-1
- UBUNTU-USN-5415-1
- UBUNTU-USN-5416-1
- UBUNTU-USN-5465-1
- UBUNTU-USN-5466-1
- UBUNTU-USN-5467-1
- UBUNTU-USN-5468-1
- UBUNTU-USN-5469-1
- UBUNTU-USN-5470-1
- UBUNTU-USN-5471-1
- UBUNTU-USN-6001-1
- UBUNTU-USN-6013-1
- UBUNTU-USN-6014-1

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