Severity
5.5MEDIUMNVD
OSV7.8
EPSS
0.1%
top 76.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 5
Latest updateMay 24

Description

An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata, aka CID-d0c7feaf8767.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages7 packages

Debianlinux/linux_kernel< 5.6.14-1+3
Ubuntulinux/linux_kernel< 4.15.0-115.116+2
NVDlinux/linux_kernel5.6.10
debiandebian/linux< linux 5.6.14-1 (bookworm)

Patches

🔴Vulnerability Details

6
GHSA
GHSA-6694-j64w-gpfc: An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc2022-05-24
OSV
linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities2022-03-22
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-gke-4.15, linux-hwe, linux-kvm, linux-oem, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities2020-09-03
OSV
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-gcp, linux-gcp-5.4, linux-hwe-5.4, linux-kvm, linux-oracle, linux-oracle-5.4, linux-raspi, linux-raspi-5.4 vulnerabilities2020-09-03
OSV
linux-hwe, linux-aws-5.3, linux-azure-5.3, linux-gke-5.3 vulnerabilities2020-08-23

📋Vendor Advisories

7
Ubuntu
Linux kernel vulnerabilities2022-03-22
Ubuntu
Linux kernel vulnerabilities2020-09-03
Ubuntu
Linux kernel vulnerabilities2020-09-03
Ubuntu
linux kernel vulnerabilities2020-08-23
Microsoft
An issue was discovered in xfs_agf_verify in fs/xfs/libxfs/xfs_alloc.c in the Linux kernel through 5.6.10. Attackers may trigger a sync of excessive duration via an XFS v5 image with crafted metadata 2020-05-12

💬Community

2
Bugzilla
CVE-2020-12655 kernel: sync of excessive duration via an XFS v5 image with crafted metadata2020-05-06
Bugzilla
CVE-2020-12655 kernel: sync of excessive duration via an XFS v5 image with crafted metadata [fedora-all]2020-05-06