CWE
416 362
Advisory Published

USN-6646-1: Linux kernel vulnerabilities

First published: Tue Feb 20 2024(Updated: )

It was discovered that a race condition existed in the ATM (Asynchronous Transfer Mode) subsystem of the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-51780) It was discovered that a race condition existed in the Rose X.25 protocol implementation in the Linux kernel, leading to a use-after- free vulnerability. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-51782) It was discovered that the netfilter connection tracker for netlink in the Linux kernel did not properly perform reference counting in some error conditions. A local attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2023-7192)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-4.4.0-1129-kvm<4.4.0-1129.139
4.4.0-1129.139
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-1166-aws<4.4.0-1166.181
4.4.0-1166.181
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-251-generic<4.4.0-251.285
4.4.0-251.285
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-251-lowlatency<4.4.0-251.285
4.4.0-251.285
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-aws<4.4.0.1166.170
4.4.0.1166.170
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-generic<4.4.0.251.257
4.4.0.251.257
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-generic-lts-xenial<4.4.0.251.257
4.4.0.251.257
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-kvm<4.4.0.1129.126
4.4.0.1129.126
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-lowlatency<4.4.0.251.257
4.4.0.251.257
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-lowlatency-lts-xenial<4.4.0.251.257
4.4.0.251.257
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-virtual<4.4.0.251.257
4.4.0.251.257
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-virtual-lts-xenial<4.4.0.251.257
4.4.0.251.257
Ubuntu Ubuntu=16.04
All of
ubuntu/linux-image-4.4.0-1128-aws<4.4.0-1128.134
4.4.0-1128.134
Ubuntu Ubuntu=14.04
All of
ubuntu/linux-image-4.4.0-251-generic<4.4.0-251.285~14.04.1
4.4.0-251.285~14.04.1
Ubuntu Ubuntu=14.04
All of
ubuntu/linux-image-4.4.0-251-lowlatency<4.4.0-251.285~14.04.1
4.4.0-251.285~14.04.1
Ubuntu Ubuntu=14.04
All of
ubuntu/linux-image-aws<4.4.0.1128.125
4.4.0.1128.125
Ubuntu Ubuntu=14.04

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