Select your cookie preferences

We use cookies and similar tools to enhance your experience, provide our services, deliver relevant advertising, and make improvements. Approved third parties also use these tools to help us deliver advertising and provide certain site features.

CVE-2021-4155

Public on 2022-01-24
Modified on 2022-03-07
Description

A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.

Severity
Important
See what this means
CVSS v3 Base Score
5.5
See breakdown

Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 kernel 2023-02-17 00:02 ALAS-2023-1688
Amazon Linux 1 kernel 2022-02-04 23:24 ALAS-2022-1563
Amazon Linux 2 - Core kernel 2022-02-04 23:25 ALAS2-2022-1749
Amazon Linux 2 - Kernel-5.10 Extra kernel 2022-01-26 00:57 ALAS2KERNEL-5.10-2022-009
Amazon Linux 2 - Kernel-5.4 Extra kernel 2022-01-26 00:54 ALAS2KERNEL-5.4-2022-021
Amazon Linux 2 - Livepatch Extra kernel-livepatch-4.14.256-197.484 2022-03-01 17:51 ALAS2LIVEPATCH-2022-075
Amazon Linux 2 - Livepatch Extra kernel-livepatch-5.10.82-83.359 2022-03-07 23:48 ALAS2LIVEPATCH-2022-076

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD CVSSv3 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N