vulnerability

Ubuntu: (Multiple Advisories) (CVE-2021-4149): Linux kernel vulnerabilities

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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

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