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CVE-2023-3269

Good to know:

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Date: July 11, 2023

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.

Language: C

Severity Score

Related Resources (11)

http://seclists.org/fulldisclosure/2023/Jul/43
http://www.openwall.com/lists/oss-security/2023/08/25/4
https://security.netapp.com/advisory/ntap-20230908-0001/
https://www.openwall.com/lists/oss-security/2023/07/05/1
https://nvd.nist.gov/vuln/detail/CVE-2023-3269
https://access.redhat.com/security/cve/CVE-2023-3269
http://www.openwall.com/lists/oss-security/2023/07/28/1
http://www.openwall.com/lists/oss-security/2023/08/25/1
https://bugzilla.redhat.com/show_bug.cgi?id=2215268
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/
https://www.mend.io/vulnerability-database/CVE-2023-3269

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

Upgrade to version linux-libc-headers - 5.14;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-yocto - 4.8.26+gitAUTOINC+1c60e003c7_27efc3ba68

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): CHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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