CVE-2023-3269

highpriority · track · 41EPSS 0.013 · 70 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.30% (70th) EPSS

CVSS 7.8 · high

Is it mine?

21 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-26

A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.17.8highAV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.17.8highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · secalert@redhat.com USexploitability 1.1 · impact 6

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-416USprimaryCWE-362USCWE-416US

exploits (1)

Public proof-of-concept and weaponised exploit code.

lrh2000/StackRotCVE-2023-3269: Linux kernel privilege escalation vulnerabilityPoC · poc_in_github

affected products (21)

Products and version ranges known to be affected.

Fedora Linuxall versionscert_bundDEcpe:/o:fedoraproject:fedora:-
IGEL OSall versionscert_bundDEcpe:/o:igel:os:-
Open Source Linux Kernel 6.1 - 6.4all versionscert_bundDEcpe:/o:linux:linux_kernel:6.1_-_6.4
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
АО «ИВК» АЛЬТ СП 10all versionsfstec_bduRU
АО «НППКТ» ОСОН ОСнова Оnyx≤ 2.9fstec_bduRU
АО «НТЦ ИТ РОСА» РОСА ХРОМ≤ 12.4fstec_bduRU
ООО «Ред Софт» РЕД ОС≤ 7.3fstec_bduRU
Сообщество свободного программного обеспечения Debian GNU/Linux≤ 12fstec_bduRU
Сообщество свободного программного обеспечения Linux6.1 → 6.1.36fstec_bduRU
Сообщество свободного программного обеспечения Linux6.2 → 6.3.10fstec_bduRU
Сообщество свободного программного обеспечения Linux6.4 → 6.4.0fstec_bduRU
fedoraproject fedora= 37nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 38nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
linux linux kernel6.1 → 6.1.37nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel6.2 → 6.3.11nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
linux linux kernel= 6.4nvdUScpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
redhat enterprise linux= 6.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
redhat enterprise linux= 8.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*

showing 20 of 21

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-1670Linux Kernel: Schwachstelle ermöglicht PrivilegieneskalationDeutsch2023-07-05csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle im Linux Kernel ausnutzen, um seine Privilegien zu erhöhen.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2023-07-11modified 2026-06-17

related (12,135)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-68820US	—OT critical	0.33% (26th)	KEV	2026-08-11
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
CVE-2026-5281US	—OT critical	13.5% (96th)	KEV	2026-04-01
Use after free in Dawn in Google Chrome prior to 146.0.7680.178 allowed a remote attacker who had compromised the renderer process to execute arbitrary code via a crafted HTML page…
CVE-2026-2441US	high8.8OT critical	55.0% (99th)	KEV	2026-02-13
Use after free in CSS in Google Chrome prior to 145.0.7632.75 allowed a remote attacker to execute arbitrary code inside a sandbox via a crafted HTML page. (Chromium security sever…
CVE-2025-43529US	—OT critical	25.7% (98th)	KEV	2025-12-17
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2,…
CVE-2025-62221US	—OT critical	2.50% (85th)	KEV	2025-12-09
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

+12130 more

references (31)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan