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CVE-2020-14385

MEDIUM
5.5
CVSS Score
Published: September 15, 2020 at 09:14 PM UTC
Updated: June 17, 2026 at 02:54 AM UTC
4 products affected across 4 vendorsLinux KernelDebian LinuxUbuntu Linux

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.4%

Description

A flaw was found in the Linux kernel before 5.9-rc4. A failure of the file system metadata validator in XFS can cause an inode with a valid, user-creatable extended attribute to be flagged as corrupt. This can lead to the filesystem being shutdown, or otherwise rendered inaccessible until it is remounted, leading to a denial of service. The highest threat from this vulnerability is to system availability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Ubuntu Linux· Canonicalrubygems
95%
18.0420.04
Debian Linux· Debiandrupal
95%
9.0
Linux Kernel· Linux
95%
v < 5.9.05.9.05.9.0 rc15.9.0 rc25.9.0 rc3
Affected range stops below 5.9.0, so it looks safe — our inference, not a vendor statement
Linux Kernel· Linux Kernel
60%
v < 5.9-rc4
Affected range stops below 5.9-rc4, so it looks safe — our inference, not a vendor statement

References (5)

Vendor Advisoryx_refsource_SUSEBroken Link
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html
x_refsource_CONFIRMIssue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-14385
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f4020438fab05364018c91f7e02ebdd192085933
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
https://usn.ubuntu.com/4576-1/

CVSS

5.5MEDIUMredhat
Attack Vector
LOCAL
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-131

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