PT-2018-2867 · Linux+2 · Linux Kernel+2

Wen Xu · Published 2018-05-23 · Updated 2023-02-13 · CVE-2018-10840

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The issue is related to a heap-based buffer overflow in the ext4 xattr set entry() function, located in fs/ext4/xattr.c. This could be exploited by an attacker operating on a mounted crafted ext4 image, potentially allowing the execution of arbitrary code with elevated privileges or causing a denial of service.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Stack Overflow

Memory Corruption

Heap Based Buffer Overflow

Weakness Enumeration

CWE-119

CWE-121

CWE-787

CWE-122

Related Identifiers

ALT-PU-2018-1943

BDU:2019-02397

CVE-2018-10840

MGASA-2018-0324

MGASA-2018-0340

MGASA-2018-0341

RHSA-2019:0162

USN-3752-1

USN-3752-2

USN-3752-3

Affected Products

Alt Linux

Linux Kernel

Ubuntu

References · 76

• 🔥 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-10840 · Exploit
• https://ubuntu.com/security/notices/USN-3752-2 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-11412 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0324 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3752-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-1108 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-10881 · Vendor Advisory
• https://bdu.fstec.ru/vul/2019-02397 · Security Note
• https://ubuntu.com/security/CVE-2018-13406 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3752-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-10840 · Security Note
• https://usn.ubuntu.com/3752-3 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-1000204 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2018-10840 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-9415 · Vendor Advisory