Use-After-Free Vulnerability in ext4 Filesystem Code Impacting Linux Kernel
CVE-2018-10876

5MEDIUM

Key Information:

Vendor

[unknown]

Status
Kernel
Vendor
CVE Published:
26 July 2018

What is CVE-2018-10876?

A vulnerability exists in the Linux kernel's ext4 filesystem code, where improper handling of resources can lead to a use-after-free condition. This issue arises within the ext4_ext_remove_space() function, particularly when a manipulated ext4 image is mounted and operated on. Attackers exploiting this vulnerability could potentially execute arbitrary code or alter system behavior, presenting significant risks to system integrity and confidentiality.

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Affected Version(s)

kernel

References

http://patchwork.ozlabs.org/patch/929239/
x_refsource_CONFIRM
https://usn.ubuntu.com/3753-2/
vendor-advisoryx_refsource_UBUNTU
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/...
x_refsource_CONFIRM

CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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