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CVE-2023-4732

Kernel: race between task migrating pages and another task calling exit_mmap to release those same pages getting invalid opcode bug in include/linux/swapops.h

Published: Oct 3, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDUCWE-366
NVD MITRE
4.7CVSSMEDIUM
EPSS Score
0.2%
Top 92.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in pfn_swap_entry_to_page in memory management subsystem in the Linux Kernel. In this flaw, an attacker with a local user privilege may cause a denial of service problem due to a BUG statement referencing pmd_t x.

CVSS Vector Breakdown

AV:LAC:HPR:LUI:NS:UC:NI:NA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-366CWE-362

Affected Products

linux kernellinux
On-premOS
Operating Systems
codeready linux builderredhat
On-prem
Operating Systems / linux-distro
codeready linux builder for arm64redhat
On-prem
Operating Systems / linux-distro
codeready linux builder for power little endianredhat
On-prem
Operating Systems / linux-distro
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
linuxoss-projectOperating Systemsaka the linux kernel
redhatcommercialUSOperating Systemsaka red hat
and 13 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2023:6901
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:7077
access.redhat.com
https://access.redhat.com/errata/RHSA-2023:7539
access.redhat.com
and 8 more references View all →

Timeline

Published
Oct 3, 2023
Last Updated
Nov 21, 2024

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