Home/CVE/A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updat
CVE

CVE-2023-3269

A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updat

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.

HIGH · CVSS 7.8 EPSS 0.00246
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-416Use After Free
CWE-416Use After Free
▤

Affected Products & Versions

5
linux kernel>= 6.1 and < 6.1.37
linux kernel>= 6.2 and < 6.3.11
linux kernelall versions
fedoraproject fedoraall versions
redhat enterprise linuxall versions
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD11 Jul 2023 · 12:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

5
suse-csafopenSUSE-SU-2024:13042-1
suse-csafopenSUSE-SU-2024:13704-1
usnUSN-6250-1
usnUSN-6249-1
msrcCVE-2023-3269
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://seclists.org/fulldisclosure/2023/Jul/43Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2023/07/28/1Mailing List
http://www.openwall.com/lists/oss-security/2023/08/25/1Mailing List
http://www.openwall.com/lists/oss-security/2023/08/25/4Mailing List
https://access.redhat.com/security/cve/CVE-2023-3269Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2215268Issue TrackingPatchThird Party Advisory
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