5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.0005 Low
EPSS
Percentile
14.7%
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.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 20.04 | noarch | linux-oem-5.6 | < 5.6.0-1031.32 | UNKNOWN |
ubuntu | 16.04 | noarch | linux | < 4.4.0-222.255) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 18.04 | noarch | linux | < 4.15.0-115.116 | UNKNOWN |
ubuntu | 20.04 | noarch | linux | < 5.4.0-45.49 | UNKNOWN |
ubuntu | 18.04 | noarch | linux-snapdragon | < 4.15.0-1084.92 | UNKNOWN |
ubuntu | 16.04 | noarch | linux-aws | < 4.4.0-1138.152) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws | < 4.15.0-1080.84 | UNKNOWN |
ubuntu | 20.04 | noarch | linux-aws | < 5.4.0-1022.22 | UNKNOWN |
ubuntu | 14.04 | noarch | linux-aws | < 4.4.0-1102.107) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
ubuntu | 18.04 | noarch | linux-aws-5.3 | < 5.3.0-1033.35 | UNKNOWN |
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12655
git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d0c7feaf87678371c2c09b3709400be416b2dc62
git.kernel.org/linus/d0c7feaf87678371c2c09b3709400be416b2dc62 (5.7-rc1)
github.com/torvalds/linux/commit/d0c7feaf87678371c2c09b3709400be416b2dc62
launchpad.net/bugs/cve/CVE-2020-12655
lore.kernel.org/linux-xfs/20200221153803.GP9506@magnolia/
nvd.nist.gov/vuln/detail/CVE-2020-12655
security-tracker.debian.org/tracker/CVE-2020-12655
ubuntu.com/security/notices/USN-4465-1
ubuntu.com/security/notices/USN-4483-1
ubuntu.com/security/notices/USN-4485-1
ubuntu.com/security/notices/USN-5343-1
5.5 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
2.1 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:N/I:N/A:P
0.0005 Low
EPSS
Percentile
14.7%