CWE
416 476 362
Advisory Published

USN-6338-1: Linux kernel vulnerabilities

First published: Tue Sep 05 2023(Updated: )

Zi Fan Tan discovered that the binder IPC implementation in the Linux kernel contained 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-2023-21255) It was discovered that a race condition existed in the f2fs file system in the Linux kernel, leading to a null pointer dereference vulnerability. An attacker could use this to construct a malicious f2fs image that, when mounted and operated on, could cause a denial of service (system crash). (CVE-2023-2898) It was discovered that the DVB Core driver in the Linux kernel did not properly handle locking events in certain situations. A local attacker could use this to cause a denial of service (kernel deadlock). (CVE-2023-31084) Quentin Minster discovered that the KSMBD implementation in the Linux kernel did not properly handle session setup requests. A remote attacker could possibly use this to cause a denial of service (memory exhaustion). (CVE-2023-32247) Quentin Minster discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling sessions operations. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32250, CVE-2023-32252, CVE-2023-32257) It was discovered that a race condition existed in the KSMBD implementation in the Linux kernel when handling session connections, leading to a use- after-free vulnerability. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-32258) It was discovered that the KSMBD implementation in the Linux kernel did not properly validate buffer sizes in certain operations, leading to an out-of- bounds read vulnerability. A remote attacker could use this to cause a denial of service (system crash) or possibly expose sensitive information. (CVE-2023-38426, CVE-2023-38428) It was discovered that the KSMBD implementation in the Linux kernel did not properly calculate the size of certain buffers. A remote attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2023-38429)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/linux-image-6.2.0-1011-aws<6.2.0-1011.11
6.2.0-1011.11
=23.04
All of
ubuntu/linux-image-6.2.0-1012-kvm<6.2.0-1012.12
6.2.0-1012.12
=23.04
All of
ubuntu/linux-image-6.2.0-1012-lowlatency<6.2.0-1012.12
6.2.0-1012.12
=23.04
All of
ubuntu/linux-image-6.2.0-1012-lowlatency-64k<6.2.0-1012.12
6.2.0-1012.12
=23.04
All of
ubuntu/linux-image-6.2.0-1012-raspi<6.2.0-1012.14
6.2.0-1012.14
=23.04
All of
ubuntu/linux-image-6.2.0-32-generic<6.2.0-32.32
6.2.0-32.32
=23.04
All of
ubuntu/linux-image-6.2.0-32-generic-64k<6.2.0-32.32
6.2.0-32.32
=23.04
All of
ubuntu/linux-image-6.2.0-32-generic-lpae<6.2.0-32.32
6.2.0-32.32
=23.04
All of
ubuntu/linux-image-aws<6.2.0.1011.12
6.2.0.1011.12
=23.04
All of
ubuntu/linux-image-generic<6.2.0.32.32
6.2.0.32.32
=23.04
All of
ubuntu/linux-image-generic-64k<6.2.0.32.32
6.2.0.32.32
=23.04
All of
ubuntu/linux-image-generic-lpae<6.2.0.32.32
6.2.0.32.32
=23.04
All of
ubuntu/linux-image-kvm<6.2.0.1012.12
6.2.0.1012.12
=23.04
All of
ubuntu/linux-image-lowlatency<6.2.0.1012.12
6.2.0.1012.12
=23.04
All of
ubuntu/linux-image-lowlatency-64k<6.2.0.1012.12
6.2.0.1012.12
=23.04
All of
ubuntu/linux-image-raspi<6.2.0.1012.15
6.2.0.1012.15
=23.04
All of
ubuntu/linux-image-raspi-nolpae<6.2.0.1012.15
6.2.0.1012.15
=23.04
All of
ubuntu/linux-image-virtual<6.2.0.32.32
6.2.0.32.32
=23.04
All of
ubuntu/linux-image-6.2.0-1011-aws<6.2.0-1011.11~22.04.1
6.2.0-1011.11~22.04.1
=22.04
All of
ubuntu/linux-image-6.2.0-1012-lowlatency<6.2.0-1012.12~22.04.1
6.2.0-1012.12~22.04.1
=22.04
All of
ubuntu/linux-image-6.2.0-1012-lowlatency-64k<6.2.0-1012.12~22.04.1
6.2.0-1012.12~22.04.1
=22.04
All of
ubuntu/linux-image-6.2.0-32-generic<6.2.0-32.32~22.04.1
6.2.0-32.32~22.04.1
=22.04
All of
ubuntu/linux-image-6.2.0-32-generic-64k<6.2.0-32.32~22.04.1
6.2.0-32.32~22.04.1
=22.04
All of
ubuntu/linux-image-6.2.0-32-generic-lpae<6.2.0-32.32~22.04.1
6.2.0-32.32~22.04.1
=22.04
All of
ubuntu/linux-image-aws<6.2.0.1011.11~22.04.1
6.2.0.1011.11~22.04.1
=22.04
All of
ubuntu/linux-image-generic-64k-hwe-22.04<6.2.0.32.32~22.04.9
6.2.0.32.32~22.04.9
=22.04
All of
ubuntu/linux-image-generic-hwe-22.04<6.2.0.32.32~22.04.9
6.2.0.32.32~22.04.9
=22.04
All of
ubuntu/linux-image-generic-lpae-hwe-22.04<6.2.0.32.32~22.04.9
6.2.0.32.32~22.04.9
=22.04
All of
ubuntu/linux-image-lowlatency-64k-hwe-22.04<6.2.0.1012.12~22.04.9
6.2.0.1012.12~22.04.9
=22.04
All of
ubuntu/linux-image-lowlatency-hwe-22.04<6.2.0.1012.12~22.04.9
6.2.0.1012.12~22.04.9
=22.04
All of
ubuntu/linux-image-virtual-hwe-22.04<6.2.0.32.32~22.04.9
6.2.0.32.32~22.04.9
=22.04

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