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CVE-2023-3390

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Date: June 28, 2023

A use-after-free vulnerability was found in the Linux kernel's netfilter subsystem in net/netfilter/nf_tables_api.c. Mishandled error handling with NFT_MSG_NEWRULE makes it possible to use a dangling pointer in the same transaction causing a use-after-free vulnerability. This flaw allows a local attacker with user access to cause a privilege escalation issue. We recommend upgrading past commit 1240eb93f0616b21c675416516ff3d74798fdc97.

Language: C

Severity Score

Related Resources (11)

https://access.redhat.com/security/cve/CVE-2023-3390
https://security.netapp.com/advisory/ntap-20230818-0004/
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
https://www.debian.org/security/2023/dsa-5461
https://lists.debian.org/debian-lts-announce/2023/08/msg00001.html
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=1240eb93f0616b21c675416516ff3d74798fdc97
https://nvd.nist.gov/vuln/detail/CVE-2023-3390
https://kernel.dance/1240eb93f0616b21c675416516ff3d74798fdc97
https://www.debian.org/security/2023/dsa-5448
http://packetstormsecurity.com/files/174577/Kernel-Live-Patch-Security-Notice-LSN-0097-1.html
https://www.mend.io/vulnerability-database/CVE-2023-3390

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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Upgrade Version

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

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CVSS v3.1

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

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